Dense fog with visibilities down to one quarter mile or less have developed along the rivers from California PA on south into West Virginia early this morning. The fog should continue for a few more hours and then burn off rapidly by 8 or 9 am this morning.
Local weather forecast
Weather in Canonsburg, PA
Updated 2026-09-26 10:00 local time · ZIP codes 15317
Now54°F
Partly Cloudy
High / Low66° / 47°
Rain chance15%
Wind8 mph
Weather alerts
1Active alerts
Hourly
Next hours
Now54°9% rain
54°9% rain11 AM
58°14% rain
58°14% rain12 PM61°13% rain
61°13% rain1 PM
64°3% rain
64°3% rain2 PM
65°10% rain
65°10% rain3 PM66°12% rain
66°12% rain4 PM66°12% rain
66°12% rain5 PM65°14% rain
65°14% rain6 PM65°16% rain
65°16% rain7 PM62°17% rain
62°17% rain8 PM
60°22% rain
60°22% rain9 PM58°24% rain
58°24% rainForecast
3-day weather forecast
Today2026-09-26
66° 47°Overcast
Rain 15%Gust 11 mph
Tomorrow2026-09-27
65° 50°Overcast
Rain 16%Gust 14 mph
Monday2026-09-28
62° 51°Overcast
Rain 63%Gust 9 mph
Conditions
Weather details
Feels like49°F
Humidity65%
Pressure30.13 inHg
Visibility6 mi
Wind8 mph NNE
Wind gusts16 mph
Precipitation0.00 in
UV index2
Daylight
Sunrise, sunset and moon
Sunrise07:12 AM
Sunset07:11 PM
Moonrise07:01 PM
Moon phaseFull Moon
Next 24 hours
Key weather changes ahead
Warmest hour4 PM · 66°F
Coolest hour5 AM · 50°F
Highest rain chance6 AM · 38%
Strongest gusts8 AM · 24 mph
Practical guide
Weather insights for today
Umbrella not essential
Rain chance stays relatively low over the next 12 hours (up to 24%).
A jacket or sweater is a good idea
It feels like 49°F with winds near 8 mph.
Best window: 1 PM
64°F, 3% rain chance and 10 mph wind.
Driving conditions look generally normal
Visibility is around 6 mi; gusts may reach 24 mph.
Good conditions for an easy run
Current temperature is 54°F, wind 8 mph, rain chance up to 24%.
Low UV protection needs
UV index is 2.
Local weather characteristics in Canonsburg
Pennsylvania has four seasons and varied terrain. Western and northern areas are generally cooler and snowier, while southeastern areas are often milder.
Canonsburg is part of the Northeast weather region. The forecast point is near 40.26°N latitude and 80.19°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Canonsburg weather today
Partly Cloudy and 54°F in Canonsburg, PA. Today's high is 66°F with a 15% rain chance. Winds are around 8 mph with gusts near 16 mph. Relative humidity is 65%, pressure is 30.13 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Canonsburg
Sunrise is at 07:12 AM and sunset is at 07:11 PM. Tomorrow's forecast calls for Overcast with a high near 65°F and a low near 50°F. The maximum rain chance is 16%.
Nearby
Weather near Canonsburg
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