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Upper Mill, PA Weather Forecast
Upper Mill, PA Weather Forecast Dated: 859 AM Fri Sep 04 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Friday, September 4, 2026
Mid-Morning
77°F 25°C
Scattered Showers
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
77°F 25°C
Scattered Showers
Warm and summery around 86°F 30°C (feels like 89°F 32°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the WNW to the W at 5 mph 9 km/h.
Saturday, September 5, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
70°F 22°C
Overcast
Comfortable with temperatures reaching 77°F 25°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the NNW to the NNE at 4 mph 7 km/h.
Sunday, September 6, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
74°F 23°C
Partly Cloudy
Early-Evening
67°F 20°C
Scattered Showers
Enjoyable around 74°F 23°C, locally heavy downpours at times, with steady humidity and steady pressure.
Monday, September 7, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
69°F 21°C
Sunny
Mild temperatures up to 75°F 24°C, sunny throughout the day, with lower humidity and steady pressure.
Tuesday, September 8, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
74°F 24°C
Overcast
Mild with a high of 78°F 25°C, overcast throughout the day, with steady humidity and steady pressure.
Wednesday, September 9, 2026
Mid-Morning
66°F 19°C
Scattered Showers
Mid-Afternoon
69°F 20°C
Scattered Showers
Early-Evening
69°F 21°C
Light Fog
Pleasant near 69°F 20°C, locally heavy downpours at times, with increasing humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
87°F 31°C
Overcast
Early-Evening
80°F 27°C
Cloudy
Balmy with temperatures reaching 87°F 31°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the W to the NNW at 8 mph 13 km/h.
Friday, September 11, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
73°F 23°C
Partly Cloudy
Early-Evening
68°F 20°C
Overcast
Enjoyable around 73°F 23°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
70°F 21°C
Sunny
Mild temperatures up to 73°F 23°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
79°F 26°C
Light Showers
Warm and summery around 84°F 29°C (feels like 88°F 31°C), drier conditions through late afternoon before showers move in, with steady humidity and barometric pressure falling.
Monday, September 14, 2026
Mid-Morning
76°F 25°C
Scattered Showers
Mid-Afternoon
92°F 33°C
Nearby Thunderstorms
Early-Evening
82°F 28°C
Partly Cloudy
Hot and sweltering around 92°F 33°C (heat index 97°F 36°C), scattered downpours possible, with lower humidity and steady pressure. Winds swinging from the WSW to the W at 8 mph 12 km/h.
Tuesday, September 15, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
80°F 27°C
Overcast
Early-Evening
76°F 25°C
Overcast
Balmy with temperatures reaching 80°F 27°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
80°F 27°C
Scattered Showers
Early-Evening
78°F 26°C
Sunny
Warm and summery around 80°F 27°C (feels like 84°F 29°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
72°F 22°C
Scattered Showers
Mid-Afternoon
81°F 27°C
Scattered Showers
Early-Evening
79°F 26°C
Sunny
Quite warm reaching 81°F 27°C, feeling like 85°F 30°C during peak afternoon, scattered downpours possible, with lower humidity and steady pressure.
Upper Mill, PA Weather Radar Map
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