Weather StoryAlmanac, microseasons, and the day's weather story.

Willow Street, Pennsylvania Weather

Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →

Willow Street weather forecast — hour by hour, 7-day outlook, NOAA radar

Willow Street, PA
Monday, June 15 at 5:55 PM
72
°
Overcast
Feels like
66°
Humidity
47%
Wind
12 mph
Sunrise
1:35 AM
Sunset
4:35 PM
Willow Street, PA
Hour by hour · 24h
24-Hour ForecastWillow Street, PA: 24-hour forecast. Temperatures range from 54 to 77 degrees Fahrenheit.
L 54°H 77°
Willow Street, PA
7-day forecast
  1. Today
    Jun 15
    Light Drizzle
    40%
    0.01″
    75°63°—
  2. Tuesday
    Jun 16
    Overcast
    —
    —
    78°54°+3°
  3. Wednesday
    Jun 17
    Light Drizzle
    32%
    —
    80°62°+2°
  4. Thursday
    Jun 18
    Drizzle
    35%
    0.04″
    89°67°+9°
  5. Friday
    Jun 19
    Drizzle
    31%
    0.02″
    76°63°-13°
  6. Saturday
    Jun 20
    Overcast
    —
    —
    75°55°-1°
  7. Sunday
    Jun 21
    Overcast
    —
    —
    76°54°+1°
Willow Street, PA
Next 24 hours · Mild now
45°65°85°6p12a6a12pnow 74°high 77°low 54°
Willow Street, PA
Anemometer · 24h winds · from true
NESW
From · True
WNW
286° · veering 123°
Direction
WNW
286°
Sustained
12
mph
Gust
19
mph
Peak 24h
29
avg 11
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 11 · pk 29 @ 5:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 206SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 123° from the wnw.
Willow Street, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
995.1
+0.4 mb in 3h · steady · 29.39 inHg
Now
995.1
mb
3h
+0.4
mb
12h
+4.1
mb
24h
+4.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 989–995
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW994.9988.6994.9
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Willow Street, PA
Air quality
37
AQI
Good
→+3 in 6h

AQI 37 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 39 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
3.1μg/m³
PM 10Good
3μg/m³
NO₂Good
1μg/m³
OzoneDRIVERModerate
83μg/m³
UV IndexModerate
2.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 39 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

Present
AQI 39
UV peak
2.1 at earlier today
Sky at peak
partly cloudy
Projected peak
AQI 39

Trends

Seven days of AQI and PM2.5.

Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).

7-DAY AQI TREND50100MONTUEWEDTHUFRISATSUNMON7-DAY PM2.5 TREND · μg/m³300
Willow Street, PA
Sky cover · visibility · 24h
Cloud cover
86%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow
Visibility
83.4mi
UNLIMITED
96 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
21:55 UTC · Willow Street, PA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
21:55 UTC · Willow Street, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Willow Street, PA
Satellite · infrared · animated
Willow Street, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Willow Street, PA
Almanac · Monday, June 15
A summer fog for fair, a winter fog for rain.
Civil dawn
5:04 AM
Sunrise
1:35 AM
Daylight
15h 00m
Sunset
4:35 PM
Civil dusk
9:09 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Willow Street, PA
The moon
New Moon
1% illuminated
Moonrise
5:36 AM
Moonset
8:49 PM
In sign
♋︎ Cancer
Willow Street, PA
Microseason
Jun 11–15

Solstice approaches — longest light

cultural
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

Willow Street at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: April 16 (climatological average for this latitude)
  • Microseason: Jun 11–15
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — Willow Street

  1. Mon75°63°40%
  2. Tue78°54°0%
  3. Wed80°62°32%
  4. Thu89°67°35%
  5. Fri76°63°31%
  6. Sat75°55°6%
  7. Sun76°54°8%
  8. Mon62°58°41%
  9. Tue73°57°36%
  10. Wed66°54°12%
  11. Thu74°62°21%
  12. Fri67°61°45%
  13. Sat79°60°39%
  14. Sun85°57°31%
  15. Mon89°70°20%
  16. Tue78°69°36%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of June 15, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Willow Street

SPC has placed Willow Street in the General Thunderstorms category for severe thunderstorms day after tomorrow.

  • TODAYNONENo severe risk
  • TOMORROWNONENo severe risk
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

January 1–5: The year turns in silence.January 6–10: Ice thickens on still water.January 11–15: Shortest shadows lengthen.January 16–20: Pheasants begin to call.January 21–25: Springs begin to thaw.January 26–31: Chickadees announce dawn.February 1–5: East wind softens the frost.February 6–10: Sap begins to rise.February 11–15: First snowdrops appear.February 16–20: Red-winged blackbirds return.February 21–25: Rain begins to replace snow.February 26–28: Skunk cabbage pushes through ice.March 1–5: Ice withdraws from the reservoir.March 6–10: Crocuses open to weak sun.March 11–15: Peepers call from the marsh.March 16–20: Woodcocks spiral at dusk.March 21–25: Equinox — light overtakes dark.March 26–31: Forsythia opens along the fences.April 1–5: Cherry blossoms drift like snow.April 6–10: Warblers appear in the understory.April 11–15: Magnolias bloom and fall in a day.April 16–20: Dogwoods float above the forest.April 21–25: Lilacs perfume the evening.April 26–30: Last frost releases the garden.May 1–5: Warblers flood the Ramble.May 6–10: Tulip poplars light their candles.May 11–15: Shad run up the rivers.May 16–20: Roses open along the stoops.May 21–25: Firefly scouts appear at dusk.May 26–31: Strawberries ripen in the sun.June 1–5: Fireflies rise from the lawn.June 6–10: Elderflowers open in hedgerows.June 11–15: Solstice approaches — longest light.June 16–20: Honeysuckle sweetens the night.June 21–25: Solstice — the sun stands still.June 26–30: Lightning bugs drift through oaks.July 1–5: Cicadas claim the afternoon.July 6–10: Queen Anne's lace lines the roads.July 11–15: Thunder builds each afternoon.July 16–20: Corn reaches for the tassels.July 21–25: Dog days settle in the haze.July 26–31: Katydids begin their chorus.August 1–5: Night falls a minute earlier.August 6–10: Sunflowers face the morning.August 11–15: Goldenrod begins to bloom.August 16–20: Crickets pulse through warm nights.August 21–25: First cool morning surprises.August 26–31: Monarchs stage for flight.September 1–5: School buses reappear.September 6–10: Asters purple the roadsides.September 11–15: Hawk migration over the Hudson.September 16–20: Equinox — dark overtakes light.September 21–25: Apples hang heavy on the branch.September 26–30: Geese begin to chevron south.October 1–5: Witch hazel blooms as others fade.October 6–10: Maples begin to blaze.October 11–15: Frost paints the garden black.October 16–20: Oaks turn bronze and russet.October 21–25: Leaves rattle down the gutters.October 26–31: Clocks fall back — dusk at five.November 1–5: Ginkgos drop overnight.November 6–10: Last leaves cling stubbornly.November 11–15: Juncos arrive from the north.November 16–20: Bare branches reveal the sky.November 21–25: First flurries dust the rooftops.November 26–30: Woodsmoke curls through the block.December 1–5: Darkness settles before dinner.December 6–10: Holly and winterberry persist.December 11–15: Shortest day approaches.December 16–20: Ice begins to form at the edges.December 21–25: Solstice — the sun begins return.December 26–31: The year turns in silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · June 11–15

Solstice approaches — longest light

Sunrise before 5:30 AM; sunset nearly 8:30 PM.

Day 166 of 365 · Wedge 33 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

In Willow Street, July runs warmest near 76°F and January coldest around 31°F, while September is the wettest month (4.8 inches) and February the driest (2.5 inches).

MonthMean tempPrecipRainy days
January31°3.0″6
February33°2.5″6
March41°3.5″7
April53°3.5″7
May62°3.6″7
June71°4.1″7
July76°4.5″7
August74°3.6″6
September67°4.8″6
October55°4.2″6
November44°3.3″5
December36°3.5″7

Regional context

By the nearest station's NOAA NCEI 1991-2020 normals, Willow Street sees 31°F Januarys and 76°F Julys, a 45°F range, plus around 44.2 inches of precipitation across 76 days.

Rainfall in Willow Street stays even across the calendar: September tops out at 4.8 inches over 6.1 rainy days, and February still logs 2.5 inches across 5.9 — a narrow range for Willow Street. It is a balanced pattern Willow Street shares with places like Lampeter, PA, Refton, PA and Lancaster, PA.

The cool-season window in Willow Street starts at mid-April, when nights stop freezing — think peas, lettuce, spinach, and radishes. Hold Willow Street's tender crops — tomatoes, peppers, basil — until 10-14 days past Willow Street's last frost. Around mid-November, freezing nights resume in Willow Street and tender crops must come in. In Willow Street, low spots run 4-7°F colder than nearby slopes, nudging Willow Street's frost dates a week.

Similar climates: Lampeter, PA, Refton, PA, Lancaster, PA, Millersville, PA, Smoketown, PA.

Frequently asked

When does it freeze in Willow Street?
In Willow Street, expect the last spring frost near mid-April; Willow Street's first autumn frost comes around mid-November.
What is the rainy season in Willow Street?
Rainfall in Willow Street peaks in September near 4.8 inches, out of about 44 inches annually.
What is the warmest month in Willow Street?
The warmest stretch in Willow Street comes in July, around 76°F on average.
What is the coldest month in Willow Street?
On average January is the chilliest month in Willow Street, about 31°F.
When can I start a vegetable garden in Willow Street?
Willow Street's last frost (mid-April) cues hardy greens; in Willow Street, hold heat-lovers two weeks past.
How many rainy days does Willow Street get?
Willow Street records around 76 days of measurable precipitation annually.
What hardiness zone is Willow Street?
Willow Street's hardiness zone tracks its winter low; with January near 31°F, check the USDA ZIP map for the exact zone.
What is the 10-day forecast for Willow Street?
Willow Street's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Willow Street?
See this week's day-by-day rain chances for Willow Street in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Willow Street?
Current conditions for Willow Street and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Willow Street forecast updated?
The Willow Street forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Willow Street?
Day length in Willow Street peaks around the June solstice — earliest sunrise and latest sunset — and is shortest near the December solstice.
How accurate is the weather forecast for Willow Street?
The next few days in Willow Street's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Willow Street's warm-summer humid continental climate in Pennsylvania pairs 31°F Januarys with 76°F Julys, 45°F apart across the seasons.

Willow Street sees close to 44 inches of precipitation annually, falling across some 76 wet days.

The 45°F gap between Willow Street's summer and winter, at 40.0°N, shapes Willow Street's frost calendar.

All cities in Pennsylvania →

Lancaster, PA weather →

ZIP codes in Willow Street

  • 17584
  • 17602

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.