Local weather forecast

Weather in West Mifflin, PA

Updated 2026-08-11 11:15 local time · ZIP codes 15122

Sunny
Now73°F

Sunny

High / Low84° / 67°
Rain chance79%
Wind9 mph
Weather alerts

Active alerts

1
Flood Warning issued August 11 at 4:45AM EDT until August 11 at 9:00AM EDT by NWS Pittsburgh PA

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Eastern Fayette County in southwestern Pennsylvania... Southern Westmoreland County in southwestern Pennsylvania... Northern Preston County in northeastern West Virginia... * WHEN...Until 900 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall. * ADDITIONAL DETAILS... - At 445 AM EDT, Doppler radar indicated heavy rain due to thunderstorms produced resulted in 1.5 to 4 inches of rain. Flooding is ongoing or expected to begin shortly in the warned area. - Some locations that will experience flooding include... Uniontown, Connellsville, South Connellsville, Farmington, Seven Springs, Fairchance, Dunbar, Markleysburg, Chalkhill, Ohiopyle, Mill Run, Indian Head and Normalville. - http://www.weather.gov/safety/flood

Safety instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Hourly

Next hours

NowSunny73°13% rain
12 PMPatchy rain nearby76°31% rain
1 PMOvercast76°21% rain
2 PMSunny77°8% rain
3 PMSunny83°5% rain
4 PMSunny84°5% rain
5 PMSunny84°6% rain
6 PMSunny81°6% rain
7 PMSunny81°8% rain
8 PMPatchy rain nearby74°19% rain
9 PMLight rain72°77% rain
10 PMPatchy light rain71°73% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
84° 67°Sunny
Rain 79%Gust 19 mph
Tomorrow2026-08-12
Mist
78° 64°Mist
Rain 87%Gust 9 mph
Thursday2026-08-13
Fog
80° 61°Fog
Rain 39%Gust 5 mph
Conditions

Weather details

Feels like75°F
Humidity87%
Pressure30.00 inHg
Visibility6 mi
Wind9 mph WSW
Wind gusts11 mph
Precipitation0.00 in
UV index3
Daylight

Sunrise, sunset and moon

Sunrise06:26 AM
Sunset08:22 PM
Moonrise04:25 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 77% over the next 12 hours.

Light layers should work

It feels like 75°F with winds near 9 mph.

Best window: 2 PM

77°F, 8% rain chance and 8 mph wind.

Use extra caution while driving

Visibility is around 6 mi; gusts may reach 29 mph.

Running conditions are less comfortable

Current temperature is 73°F, wind 9 mph, rain chance up to 77%.

Moderate UV protection recommended

UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.

West Mifflin weather today

Sunny and 73°F in West Mifflin, PA. Today's high is 84°F with a 79% rain chance. Winds are around 9 mph with gusts near 11 mph. Relative humidity is 87%, pressure is 30.00 inHg, and visibility is about 6 miles.

Tonight and tomorrow in West Mifflin

Sunrise is at 06:26 AM and sunset is at 08:22 PM. Tomorrow's forecast calls for Mist with a high near 78°F and a low near 64°F. The maximum rain chance is 87%.

Nearby

Weather near West Mifflin

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