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Mifflin, PA Weather Tomorrow

Planning ahead? View tomorrow's Mifflin weather along with a complete 5 day forecast that includes precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Mifflin area and around Juniata county, Pennsylvania.
Updated: Thu Sep 3rd 2026 4:45 AM EDT
Mifflin, PA Weather – 9-3 – Heavy Rain
91° / 68°
Heavy Rain
Mifflin may see rain showers, with daytime highs of 91°F and overnight lows near 68°F. The chance of rain is 88% with an estimated 20.6in. Wind will be moderate, blowing around 13mph on average and gusts of 26.9mph at 8 PM. High humidity with average of 83% is anticipated, the maximum being 97% at 6 AM and 42% being its lowest at 2 PM. Barometric pressure is its highest of 29.99inHg at 5 AM, a lowest point of 29.92inHg at 2 PM with an avg 29.96inHg.
Mifflin, PA Weather – 9-4 – Mist
79° / 66°

Weather Tomorrow

Mist
Mifflin is set for mist with temperatures peaking at 79°F and dipping to 66°F. Rainfall predicted to have a 65% chance with an estimated 0.05in. Wind will be moderate, blowing around 11mph on average and gusts of 18.4mph at 7 PM. High humidity with average of 90% is anticipated, the maximum being 97% at 6 AM and 67% being its lowest at 4 PM. Barometric pressure is its highest of 29.96inHg at 11 AM, a lowest point of 29.88inHg at 5 PM with an avg 29.93inHg.
Mifflin, PA Weather – 9-5 – Sunny
78° / 58°
Sunny
Mifflin is set for sunshine with temperatures peaking at 78°F and dipping to 58°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 9mph and gusts of 16.3mph at 7 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 95% at 6 AM and 39% being its lowest at 2 PM. Barometric pressure is its highest of 30.02inHg at 11 PM, a lowest point of 29.92inHg at 5 PM with an avg 29.96inHg.
Mifflin, PA Weather – 9-6 – Sunny
78° / 56°
Sunny
Mifflin may see sunshine, with daytime highs of 78°F and overnight lows near 56°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 7mph and gusts of 20.9mph at 10 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 96% at 6 AM and 44% being its lowest at 4 PM. Barometric pressure is its highest of 30.13inHg at 10 PM, a lowest point of 30inHg at 5 PM with an avg 30.05inHg.
Mifflin, PA Weather – 9-7 – Sunny
79° / 53°
Sunny
It will be sunny in Mifflin, with a high of 79°F and a low of 53°F. There's a moderate 36% chance of rainfall with an estimated 0.01in. Winds will be light at 5mph and gusts of 10.7mph at 6 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 94% at 6 AM and 40% being its lowest at 1 PM. Barometric pressure is its highest of 30.25inHg at 9 AM, a lowest point of 30.05inHg at 5 PM with an avg 30.13inHg.
Mifflin, PA Weather – 9-8 – Overcast
83° / 64°
Overcast
Mifflin could see overcast with daytime highs of 83°F and nighttime lows near 64°F. There might be light rainfall having a 22% chance. Winds will be light at 5mph and gusts of 5.1mph at 2 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 97% at 5 AM and 52% being its lowest at 2 PM. Barometric pressure is its highest of 30.14inHg at 8 AM, a lowest point of 30.04inHg at 5 PM with an avg 30.09inHg.

Currently

Heavy Rain 70°F
30 inHg.
Barometer
96%
Humidity
WSW 3.6 mph
Wind
Heavy Rain

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