Local weather forecast

Weather in Marianna, PA

Updated 2026-08-11 11:15 local time · ZIP codes 15345

Patchy rain nearby
Now73°F

Patchy rain nearby

High / Low85° / 67°
Rain chance77%
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

NowPatchy rain nearby73°24% rain
12 PMPatchy rain nearby77°55% rain
1 PMSunny80°7% rain
2 PMSunny79°7% rain
3 PMSunny84°6% rain
4 PMSunny85°6% rain
5 PMSunny83°5% rain
6 PMSunny81°6% rain
7 PMSunny80°9% rain
8 PMPatchy rain nearby74°24% rain
9 PMModerate rain at times71°81% rain
10 PMPatchy rain nearby70°38% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
85° 67°Sunny
Rain 77%Gust 28 mph
Tomorrow2026-08-12
Fog
81° 63°Fog
Rain 88%Gust 12 mph
Thursday2026-08-13
Fog
81° 61°Fog
Rain 25%Gust 6 mph
Conditions

Weather details

Feels like74°F
Humidity85%
Pressure30.01 inHg
Visibility6 mi
Wind9 mph WSW
Wind gusts11 mph
Precipitation0.00 in
UV index4
Daylight

Sunrise, sunset and moon

Sunrise06:28 AM
Sunset08:22 PM
Moonrise04:27 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 81% over the next 12 hours.

Light layers should work

It feels like 74°F with winds near 9 mph.

Best window: 2 PM

79°F, 7% rain chance and 9 mph wind.

Use extra caution while driving

Visibility is around 6 mi; gusts may reach 45 mph.

Running conditions are less comfortable

Current temperature is 73°F, wind 9 mph, rain chance up to 81%.

Moderate UV protection recommended

UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.

Marianna weather today

Patchy rain nearby and 73°F in Marianna, PA. Today's high is 85°F with a 77% rain chance. Winds are around 9 mph with gusts near 11 mph. Relative humidity is 85%, pressure is 30.01 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Marianna

Sunrise is at 06:28 AM and sunset is at 08:22 PM. Tomorrow's forecast calls for Fog with a high near 81°F and a low near 63°F. The maximum rain chance is 88%.

Nearby

Weather near Marianna

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