Mount Pleasant, PA Weather Forecast for 5-Days

Updated: Mon May 18th 2026 8:15 PM EDT

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Mount Pleasant, PA Weather – 5-18 – Sunny
92° / 63°
Sunny
In Mount Pleasant, sunshine is likely with a high near 92°F and a low around 63°F. Winds will be light at 10mph and gusts of 13.2mph at 9 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 58% at 10 PM and 56% being its lowest at 9 PM. Barometric pressure is its highest of 30.13inHg at 11 PM, a lowest point of 30.06inHg at 9 PM with an avg 30.1inHg.
Mount Pleasant, PA Weather – 5-19 – Scattered Showers
84° / 61°

Weather Tomorrow

Scattered Showers
Daytime highs will reach 84°F with lows dropping to 61°F in Mount Pleasant, where on and off showers are set to occur. The chance of rain is 89% with an estimated 0.02in. Wind will be moderate, blowing around 14mph on average and gusts of 18.2mph at 12 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 92% at 7 AM and 56% being its lowest at 12 AM. Barometric pressure is its highest of 30.16inHg at 9 AM, a lowest point of 30.03inHg at 6 PM with an avg 30.11inHg.
Mount Pleasant, PA Weather – 5-20 – Moderate Rain
73° / 52°
Moderate Rain
Mount Pleasant could see rain showers with daytime highs of 73°F and nighttime lows near 52°F. The chance of rain is 88% with an estimated 0.22in. Wind will be moderate, blowing around 11mph on average and gusts of 16.9mph at 3 AM. High humidity with average of 88% is anticipated, the maximum being 99% at 7 AM and 79% being its lowest at 12 PM. Barometric pressure is its highest of 30.21inHg at 11 PM, a lowest point of 30.04inHg at 12 AM with an avg 30.1inHg.
Mount Pleasant, PA Weather – 5-21 – Moderate Rain
57° / 47°
Moderate Rain
Rain is in the forecast for Mount Pleasant, with a high of 57°F and a low of 47°F. The chance of rain is 89% with an estimated 0.32in. Winds will be light at 9mph and gusts of 12.3mph at 4 PM. High humidity with average of 85% is anticipated, the maximum being 96% at 6 PM and 65% being its lowest at 10 AM. Barometric pressure is its highest of 30.25inHg at 3 PM, a lowest point of 30.21inHg at 12 AM with an avg 30.23inHg.
Mount Pleasant, PA Weather – 5-22 – Heavy Rain
51° / 48°
Heavy Rain
Daytime highs will reach 51°F with lows dropping to 48°F in Mount Pleasant, where it will rain at times. The chance of rain is 88% with an estimated 0.99in. Wind will be moderate, blowing around 14mph on average and gusts of 21.2mph at 11 PM. High humidity with average of 94% is anticipated, the maximum being 97% at 2 PM and 90% being its lowest at 6 AM. Barometric pressure is its highest of 30.23inHg at 12 AM, a lowest point of 30.12inHg at 5 PM with an avg 30.16inHg.
Mount Pleasant, PA Weather – 5-23 – Moderate Rain
53° / 50°
Moderate Rain
In Mount Pleasant, it will rain at times with highs near 53°F and lows around 50°F. Rainfall predicted to have a 67% chance with an estimated 0.54in. Wind will be moderate, blowing around 13mph on average and gusts of 19.5mph at 12 AM. High humidity with average of 97% is anticipated, the maximum being 98% at 9 PM and 94% being its lowest at 12 AM. Barometric pressure is its highest of 30.15inHg at 12 AM, a lowest point of 30.08inHg at 5 PM with an avg 30.12inHg.

Currently

Sunny 83°F
30.11 inHg.
Barometer
51%
Humidity
SSE 8.3 mph
Wind
Sunny

5 Day Forecast Nearby

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