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

Washington, Pennsylvania Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

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

Washington, PA
Saturday, July 4 at 10:06 PM
73
°
Overcast
Feels like
79°
Humidity
87%
Wind
2 mph
Sunrise
1:57 AM
Sunset
4:53 PM
Washington, PA
Hour by hour · 24h
24-Hour ForecastWashington, PA: 24-hour forecast. Temperatures range from 68 to 90 degrees Fahrenheit with a 45% chance of precipitation at 10 PM.
L 68°H 90°
Washington, PA
7-day forecast
  1. Today
    Jul 4
    Heavy Rain
    64%
    1.2″
    92°68°
  2. Sunday
    Jul 5
    Light Drizzle
    39%
    0.02″
    90°68°-2°
  3. Monday
    Jul 6
    Thunderstorm
    82%
    83°69°-7°
  4. Tuesday
    Jul 7
    Thunderstorm
    54%
    77°66°-6°
  5. Wednesday
    Jul 8
    Light Drizzle
    15%
    81°65°+4°
  6. Thursday
    Jul 9
    Light Drizzle
    37%
    84°63°+3°
  7. Friday
    Jul 10
    Light Drizzle
    69%
    0.02″
    75°68°-9°
Washington, PA
Anemometer · 24h winds · from true
NESW
From · True
SSW
207° · backing 39°
Direction
SSW
207°
Sustained
2
mph
Gust
12
mph
Peak 24h
25
avg 7
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 7 · pk 25 @ 6:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 285SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 39° from the ssw.
Washington, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
973.7
+0.4 mb in 3h · steady · 28.75 inHg
Now
973.7
mb
3h
+0.4
mb
12h
-2.2
mb
24h
-3.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 972977
965970975980985-21h-18h-15h-12h-9h-6h-3h-24hNOW977.2972.0973.7
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Washington, PA
Air quality
52
AQI
Moderate
-9 in 6h

AQI 52 (Moderate), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.5 µg/m³, PM10 to 8.7 µg/m³.

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

PM 2.5DRIVERGood
8.5μg/m³
PM 10Good
9μg/m³
NO₂Good
5μg/m³
OzoneModerate
78μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 37. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

Present
AQI 37
UV peak
0.0 at 1 PM
Sky at peak
overcast
Projected peak
AQI 4

PM × Wind × Precip

PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.5 µg/m³, PM10 to 8.7 µg/m³.

PM2.5/PM10
0.98
Wind
calm
Recent rain
2h in last 6h
Pattern
washed out
Washington, PA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
32.8mi
UNLIMITED
80 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
02:06 UTC · Washington, 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
02:06 UTC · Washington, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Washington, PA
Satellite · infrared · animated
Washington, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Washington, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:25 AM
Sunrise
1:57 AM
Daylight
14h 56m
Sunset
4:53 PM
Civil dusk
9:27 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Washington, PA
The moon
Waning Gibbous
77% illuminated
Moonrise
11:39 PM
Moonset
11:31 AM
In sign
♓︎ Pisces
Washington, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Washington at a glance

  • Today vs. normal: 73°F — typical for the season
  • Last frost: April 17 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 15301

16-Day Forecast — Washington

  1. Sat92°68°64%
  2. Sun90°69°39%
  3. Mon83°69°82%
  4. Tue77°66°54%
  5. Wed81°65°15%
  6. Thu84°63°37%
  7. Fri75°68°69%
  8. Sat78°62°51%
  9. Sun78°54°25%
  10. Mon79°55°26%
  11. Tue80°59°18%
  12. Wed80°61°37%
  13. Thu78°55°30%
  14. Fri87°60°40%
  15. Sat87°66°54%
  16. Sun76°65°45%

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

Right now in the garden

Peak growing season

As of July 5, 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 — Washington

SPC has placed Washington in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWMRGLMarginal Risk
  • DAY 3TSTMGeneral Thunderstorms

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 Washington

  • 15301

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.