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Grassflat, PA Weather Forecast
Grassflat, PA Weather Forecast Dated: 808 AM Fri Sep 04 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Friday, September 4, 2026
Mid-Morning
69°F 21°C
Drizzle
Mid-Afternoon
70°F 21°C
Light Showers
Early-Evening
69°F 21°C
Light Showers
Pleasant near 70°F 21°C, rounds of showers expected off and on all day, with steady humidity and steady pressure.
Saturday, September 5, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
67°F 20°C
Sunny
Comfortable with temperatures reaching 70°F 21°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the NW to the NNE at 5 mph 7 km/h.
Sunday, September 6, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
62°F 17°C
Sunny
Enjoyable around 68°F 20°C, sunny throughout the day, with lower humidity and steady pressure.
Monday, September 7, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
65°F 18°C
Sunny
Mild temperatures up to 69°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Tuesday, September 8, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
72°F 22°C
Overcast
Mild with a high of 71°F 22°C, sunny in the morning, becoming overcast through the afternoon and evening, with increasing humidity and steady pressure.
Wednesday, September 9, 2026
Mid-Morning
65°F 18°C
Light Fog
Mid-Afternoon
65°F 19°C
Fog
Early-Evening
68°F 20°C
Light Showers
Mildly cool near 65°F 19°C, dry most of the day, with showers developing late, with steady humidity and barometric pressure falling.
Thursday, September 10, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
80°F 27°C
Overcast
Early-Evening
74°F 24°C
Cloudy
Balmy with temperatures reaching 80°F 27°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds switching from the WNW to the NW at 9 mph 14 km/h. Gusts up to 20 mph 32 km/h.
Friday, September 11, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
67°F 20°C
Partly Cloudy
Early-Evening
67°F 20°C
Cloudy
Cool with a high near 67°F 20°C, overcast in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
67°F 19°C
Partly Cloudy
Early-Evening
67°F 20°C
Sunny
Refreshing around 67°F 19°C, cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
66°F 19°C
Partly Cloudy
Mid-Afternoon
81°F 27°C
Nearby Thunderstorms
Early-Evening
79°F 26°C
Scattered Showers
Very warm with a high of 81°F 27°C, periods of heavy thunderstorms, with steady humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
73°F 23°C
Scattered Showers
Pleasant near 79°F 26°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the WSW to the WNW at 7 mph 11 km/h.
Tuesday, September 15, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
74°F 23°C
Scattered Showers
Comfortable with temperatures reaching 75°F 24°C, locally heavy downpours at times, with steady humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
78°F 26°C
Scattered Showers
Early-Evening
76°F 24°C
Partly Cloudy
Enjoyable around 78°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
78°F 26°C
Scattered Thunderstorms
Early-Evening
77°F 25°C
Light Fog
Mild temperatures up to 78°F 26°C, clouds building with afternoon thunderstorms likely, with steady humidity and steady pressure.
Grassflat, PA Weather Radar Map
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