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

Mill Creek, Pennsylvania Weather

Solstice approaches — longest light. Day 86 of spring. Read this microseason across nine climate regions →

Mill Creek weather forecast — hour by hour, 7-day outlook, NOAA radar

Mill Creek, PA
Saturday, June 13 at 4:40 AM
66
°
Clear
Feels like
65°
Humidity
62%
Wind
3 mph
Sunrise
1:40 AM
Sunset
4:42 PM
Mill Creek, PA
Hour by hour · 24h
24-Hour ForecastMill Creek, PA: 24-hour forecast. Temperatures range from 64 to 86 degrees Fahrenheit.
L 64°H 86°
Mill Creek, PA
7-day forecast
  1. Today
    Jun 13
    Overcast
    86°64°
  2. Sunday
    Jun 14
    Light Drizzle
    61%
    0.03″
    91°68°+5°
  3. Monday
    Jun 15
    Overcast
    46%
    76°49°-15°
  4. Tuesday
    Jun 16
    Light Drizzle
    74°52°-2°
  5. Wednesday
    Jun 17
    Light Drizzle
    12%
    0.03″
    85°54°+11°
  6. Thursday
    Jun 18
    Drizzle
    55%
    0.13″
    81°61°-4°
  7. Friday
    Jun 19
    Light Drizzle
    26%
    0.02″
    78°58°-3°
Mill Creek, PA
Anemometer · 24h winds · from true
NESW
From · True
NW
323° · backing 93°
Direction
NW
323°
Sustained
3
mph
Gust
14
mph
Peak 24h
28
avg 8
Beaufort · 1 · LIGHT AIR
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 8 · pk 28 @ 2:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 203SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 93° from the nw.
Mill Creek, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
989.7
-0.2 mb in 3h · steady · 29.23 inHg
Now
989.7
mb
3h
-0.2
mb
12h
+3.4
mb
24h
+3.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 985990
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW989.7985.0989.5
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Mill Creek, PA
Air quality
41
AQI
Good
-4 in 6h

AQI 41 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 41 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 18 around 1 PM.

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

PM 2.5Good
5.9μg/m³
PM 10Good
7μg/m³
NO₂Good
3μg/m³
OzoneDRIVERModerate
86μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 41 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 18 around 1 PM.

Present
AQI 41
UV peak
3.3 at 1 PM
Sky at peak
clear
Projected peak
AQI 18

PM × Wind × Precip

PM2.5 at 5.9 µg/m³ (AQI 33) with a 0.91 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.91
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Mill Creek, PA
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
60.8mi
UNLIMITED
74 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
08:40 UTC · Mill Creek, 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
08:40 UTC · Mill Creek, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Mill Creek, PA
Satellite · infrared · animated
Mill Creek, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mill Creek, PA
Almanac · Saturday, June 13
Cut your thistles before St. John, you will have two instead of one.
Civil dawn
5:09 AM
Sunrise
1:40 AM
Daylight
15h 02m
Sunset
4:42 PM
Civil dusk
9:17 PM
Planting note
Prune spring-blooming shrubs after flowers fade.
Mill Creek, PA
The moon
Waning Crescent
4% illuminated
Moonrise
3:51 AM
Moonset
7:46 PM
In sign
♉︎ Taurus
Mill Creek, PA
Microseason
Jun 11–15

Solstice approaches — longest light

plant
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

Mill Creek at a glance

  • Today vs. normal: 9°F below the seasonal normal for this latitude
  • Last frost: April 19 (climatological average for this latitude)
  • Microseason: Jun 11–15
  • Planting window: Prune spring-blooming shrubs after flowers fade.

15-Day Forecast — Mill Creek

  1. Sat86°64°0%
  2. Sun91°68°61%
  3. Mon76°49°46%
  4. Tue74°52°4%
  5. Wed85°54°12%
  6. Thu81°61°55%
  7. Fri78°58°26%
  8. Sat79°52°8%
  9. Sun81°55°18%
  10. Mon74°56°24%
  11. Tue80°50°23%
  12. Wed85°53°35%
  13. Thu88°61°37%
  14. Fri82°61°42%
  15. Sat79°55°42%

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

Right now in the garden

Peak growing season

As of June 13, 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 — Mill Creek

SPC has placed Mill Creek in the Slight Risk category for severe thunderstorms tomorrow.

  • TODAYNONENo severe risk
  • TOMORROWSLGTSlight Risk
  • DAY 3NONENo severe risk

Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.

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.

ZIP codes in Mill Creek

  • 16652
  • 17060

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.