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Unionville, New York Weather

Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →

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

Unionville, NY
Thursday, June 4 at 7:42 PM
84
°
Mostly Clear
Feels like
83°
Humidity
25%
Wind
6 mph
Sunrise
5:26 AM
Sunset
8:27 PM
Unionville, NY
Hour by hour · 24h
24-Hour ForecastUnionville, NY: 24-hour forecast. Temperatures range from 60 to 88 degrees Fahrenheit.
L 60°H 88°
Unionville, NY
7-day forecast
  1. Today
    Jun 4
    Overcast
    85°52°
  2. Friday
    Jun 5
    Overcast
    89°60°+4°
  3. Saturday
    Jun 6
    Light Showers
    29%
    0.21″
    85°64°-4°
  4. Sunday
    Jun 7
    Light Rain
    29%
    0.08″
    77°57°-8°
  5. Monday
    Jun 8
    Overcast
    74°50°-3°
  6. Tuesday
    Jun 9
    Overcast
    78°50°+4°
  7. Wednesday
    Jun 10
    Partly Cloudy
    10%
    82°55°+4°
Unionville, NY
Anemometer · 24h winds · from true
NESW
From · True
W
266° · steady
Direction
W
266°
Sustained
6
mph
Gust
9
mph
Peak 24h
11
avg 5
Beaufort · 2 · LIGHT 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 5 · pk 11 @ 9:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 158SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Unionville, NY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
999.5
-0.1 mb in 3h · steady · 29.52 inHg
Now
999.5
mb
3h
-0.1
mb
12h
-3.2
mb
24h
-3.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 9981003
9909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1003.3998.4999.1
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Unionville, NY
Air quality
49
AQI
Moderate
+29 in 6hPeak ~82 @ 11 PM

Ozone at AQI 86 — peak already passed at 1 PM under clear skies. AQI up 29 in the last 6 hours — air quality is degrading. 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
4.6μg/m³
PM 10Good
5μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
129μg/m³
UV IndexHigh
5.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 86 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 86
UV peak
5.5 at earlier today
Sky at peak
clear
Projected peak
AQI 86

PM × Wind × Precip

PM2.5 at 4.6 µg/m³ (AQI 26) with a 1.00 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
1.00
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Unionville, NY
Sky cover · visibility · 24h
Cloud cover
47%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
153.1mi
UNLIMITED
166 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
19:42 UTC ·Unionville, NY · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
19:42 UTC ·Unionville, NY · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Unionville, NY
Satellite · infrared · animated
Unionville, NY
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Unionville, NY
Almanac · Thursday, June 4
A summer fog for fair, a winter fog for rain.
Civil dawn
8:54 AM
Sunrise
5:26 AM
Daylight
15h 01m
Sunset
8:27 PM
Civil dusk
1:01 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Unionville, NY
The moon
Waning Gibbous
83% illuminated
Moonrise
3:30 AM
Moonset
12:54 PM
In sign
♒︎ Aquarius
Unionville, NY
Microseason
Jun 1–5

Fireflies rise from the lawn

bird
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Unionville at a glance

  • Today vs. normal: 10°F above the seasonal normal for this latitude
  • Last frost: April 24 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Peak growing season

As of June 4, 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 — Unionville

SPC has placed Unionville in the Marginal Risk category for severe thunderstorms day after tomorrow.

  • TODAYNONENo severe risk
  • TOMORROWNONENo severe risk
  • DAY 3MRGLMarginal Risk

Isolated severe storms possible. Limited threat for hail or damaging wind.

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 Unionville

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.