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Sylvan, PA Weather Forecast
Sylvan, PA Weather Forecast Dated: 934 PM Sat Sep 12 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.
Saturday, September 12, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
79°F 26°C
Overcast
Warm and summery around 82°F 28°C (feels like 85°F 30°C), overcast throughout the day, with lower humidity and barometric pressure falling. Winds turning from the SE to the S at 7 mph 12 km/h. Gusts up to 20 mph 33 km/h.
Sunday, September 13, 2026
Mid-Morning
68°F 20°C
Light Showers
Mid-Afternoon
84°F 29°C
Partly Cloudy
Early-Evening
79°F 26°C
Sunny
Balmy with temperatures reaching 84°F 29°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds switching from the W to the WNW at 4 mph 6 km/h.
Monday, September 14, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
64°F 18°C
Sunny
Enjoyable around 72°F 22°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds NNW at 10 mph 16 km/h.
Tuesday, September 15, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
69°F 20°C
Sunny
Mild temperatures up to 74°F 23°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds swinging from the ESE to the SE at 5 mph 9 km/h.
Wednesday, September 16, 2026
Mid-Morning
62°F 16°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
76°F 25°C
Sunny
Very warm with a high of 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
83°F 28°C
Scattered Showers
Early-Evening
77°F 25°C
Light Showers
Warm and summery near 83°F 28°C, locally heavy downpours at times, with steady humidity and barometric pressure falling.
Friday, September 18, 2026
Mid-Morning
67°F 20°C
Scattered Showers
Mid-Afternoon
71°F 22°C
Scattered Showers
Early-Evening
68°F 20°C
Light Fog
Comfortable with temperatures reaching 71°F 22°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
63°F 17°C
Scattered Showers
Mid-Afternoon
69°F 20°C
Cloudy
Early-Evening
71°F 22°C
Sunny
Enjoyable around 69°F 20°C, scattered downpours possible, with lower humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
64°F 18°C
Light Showers
Mid-Afternoon
64°F 18°C
Light Fog
Early-Evening
62°F 17°C
Scattered Showers
Refreshing around 64°F 18°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the NE to the NNE at 8 mph 13 km/h.
Monday, September 21, 2026
Mid-Morning
56°F 13°C
Light Showers
Mid-Afternoon
53°F 12°C
Light Showers
Early-Evening
53°F 12°C
Light Showers
Cool and brisk at 53°F 12°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds turning from the NE to the ENE at 11 mph 17 km/h. Gusts up to 30 mph 48 km/h.
Tuesday, September 22, 2026
Mid-Morning
48°F 9°C
Light Showers
Mid-Afternoon
50°F 10°C
Light Fog
Early-Evening
53°F 12°C
Light Fog
Chilly near 50°F 10°C, scattered morning showers before drying out later, with steady humidity and barometric pressure falling. Winds switching from the NNE to the N at 5 mph 8 km/h.
Wednesday, September 23, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
71°F 22°C
Sunny
Comfortable with temperatures reaching 77°F 25°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Thursday, September 24, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
60°F 16°C
Sunny
Enjoyable around 68°F 20°C, sunny throughout the day, with lower humidity and barometric pressure rising. Winds moving from the WNW to the NNW at 9 mph 15 km/h. Gusts up to 20 mph 32 km/h.
Friday, September 25, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
66°F 19°C
Partly Cloudy
Mild temperatures up to 69°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling.
Sylvan, PA Weather Radar Map
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