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Pottstown IL Weather - Clear - 69°F
Clear
69°F
Updated 3:59 am
Feels Like 62°F
Humidity 65%
Wind SE 9 mph
Barometer  30.09 in
Dew Point 57°F
Pottstown IL Weather - Clear - 21°C
Clear
21°C
Updated 3:59 am
Feels Like 17°C
Humidity 65%
Wind SE 14 km/h
Barometer  101.9 kPa
Dew Point 14°C
Pottstown, IL Weather and Current Conditionspottstown il weather forecast

Pottstown, IL Weather Forecast

Pottstown Illinois WeatherPottstown, Illinois Weather Weather Forecast
14 day API weather forecast for Pottstown, Illinois. Note: The 7-day weather forecast for Pottstown, IL is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Pottstown, IL Weather Forecast Dated: 359 AM Tue Sep 08 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.

Tuesday, September 8, 2026

Mid-Morning
Pottstown Weather - 2026-09-08 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Pottstown Weather - 2026-09-08 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Pottstown Weather - 2026-09-08 - Evening - Overcast
83°F 29°C
Overcast
Warm and summery near 86°F 30°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the S at 10 mph 16 km/h. Gusts up to 24 mph 38 km/h.

Wednesday, September 9, 2026

Mid-Morning
Pottstown Weather - 2026-09-09 - Morning - Light Showers
71°F 21°C
Light Showers
Mid-Afternoon
Pottstown Weather - 2026-09-09 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Pottstown Weather - 2026-09-09 - Evening - Overcast
77°F 25°C
Overcast
Balmy with temperatures reaching 81°F 27°C, scattered morning showers before drying out later, with steady humidity and steady pressure. Winds switching from the W to the S at 4 mph 6 km/h.

Thursday, September 10, 2026

Mid-Morning
Pottstown Weather - 2026-09-10 - Morning - Overcast
67°F 19°C
Overcast
Mid-Afternoon
Pottstown Weather - 2026-09-10 - Afternoon - Sunny
78°F 25°C
Sunny
Early-Evening
Pottstown Weather - 2026-09-10 - Evening - Sunny
71°F 22°C
Sunny
Enjoyable around 78°F 25°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds NNE at 9 mph 14 km/h.

Friday, September 11, 2026

Mid-Morning
Pottstown Weather - 2026-09-11 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Pottstown Weather - 2026-09-11 - Afternoon - Overcast
88°F 31°C
Overcast
Early-Evening
Pottstown Weather - 2026-09-11 - Evening - Sunny
79°F 26°C
Sunny
Warm temperatures up to 88°F 31°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds swinging from the SSE to the SE at 9 mph 14 km/h. Gusts up to 20 mph 31 km/h.

Saturday, September 12, 2026

Mid-Morning
Pottstown Weather - 2026-09-12 - Morning - Light Showers
68°F 20°C
Light Showers
Mid-Afternoon
Pottstown Weather - 2026-09-12 - Afternoon - Sunny
85°F 30°C
Sunny
Early-Evening
Pottstown Weather - 2026-09-12 - Evening - Sunny
82°F 28°C
Sunny
Quite warm reaching 85°F 30°C, feeling like 88°F 31°C during peak afternoon, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds shifting from the NW to the E at 8 mph 12 km/h.

Sunday, September 13, 2026

Mid-Morning
Pottstown Weather - 2026-09-13 - Morning - Overcast
77°F 25°C
Overcast
Mid-Afternoon
Pottstown Weather - 2026-09-13 - Afternoon - Nearby Thunderstorms
92°F 33°C
Nearby Thunderstorms
Early-Evening
Pottstown Weather - 2026-09-13 - Evening - Sunny
92°F 34°C
Sunny
Very hot with a high of 92°F 33°C, feeling closer to 98°F 37°C in the humidity, heavy thunderstorms conditions at times, with lower humidity and barometric pressure falling. Winds turning from the ESE to the S at 14 mph 24 km/h. Gusts up to 33 mph 53 km/h.

Monday, September 14, 2026

Mid-Morning
Pottstown Weather - 2026-09-14 - Morning - Sunny
82°F 28°C
Sunny
Mid-Afternoon
Pottstown Weather - 2026-09-14 - Afternoon - Overcast
87°F 31°C
Overcast
Early-Evening
Pottstown Weather - 2026-09-14 - Evening - Partly Cloudy
80°F 27°C
Partly Cloudy
Warm and summery around 87°F 31°C (feels like 92°F 33°C), sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds switching from the SSW to the NW at 10 mph 16 km/h.

Tuesday, September 15, 2026

Mid-Morning
Pottstown Weather - 2026-09-15 - Morning - Sunny
51°F 11°C
Sunny
Mid-Afternoon
Pottstown Weather - 2026-09-15 - Afternoon - Overcast
62°F 17°C
Overcast
Early-Evening
Pottstown Weather - 2026-09-15 - Evening - Sunny
58°F 15°C
Sunny
Cool with a high near 62°F 17°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds moving from the NNW to the ESE at 10 mph 16 km/h. Gusts up to 20 mph 32 km/h.

Wednesday, September 16, 2026

Mid-Morning
Pottstown Weather - 2026-09-16 - Morning - Sunny
53°F 11°C
Sunny
Mid-Afternoon
Pottstown Weather - 2026-09-16 - Afternoon - Partly Cloudy
64°F 18°C
Partly Cloudy
Early-Evening
Pottstown Weather - 2026-09-16 - Evening - Overcast
60°F 16°C
Overcast
Refreshing around 64°F 18°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.

Thursday, September 17, 2026

Mid-Morning
Pottstown Weather - 2026-09-17 - Morning - Cloudy
58°F 14°C
Cloudy
Mid-Afternoon
Pottstown Weather - 2026-09-17 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Pottstown Weather - 2026-09-17 - Evening - Partly Cloudy
65°F 18°C
Partly Cloudy
Mild with a high of 69°F 21°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds swinging from the SSE to the SE at 8 mph 12 km/h.

Friday, September 18, 2026

Mid-Morning
Pottstown Weather - 2026-09-18 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Pottstown Weather - 2026-09-18 - Afternoon - Light Showers
65°F 19°C
Light Showers
Early-Evening
Pottstown Weather - 2026-09-18 - Evening - Scattered Showers
62°F 17°C
Scattered Showers
Comfortable at 65°F 19°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds shifting from the S to the ENE at 6 mph 10 km/h.

Saturday, September 19, 2026

Mid-Morning
Pottstown Weather - 2026-09-19 - Morning - Overcast
51°F 11°C
Overcast
Mid-Afternoon
Pottstown Weather - 2026-09-19 - Afternoon - Overcast
57°F 14°C
Overcast
Early-Evening
Pottstown Weather - 2026-09-19 - Evening - Overcast
53°F 12°C
Overcast
Crisp with a high near 57°F 14°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the SE to the NNE at 10 mph 16 km/h.

Sunday, September 20, 2026

Mid-Morning
Pottstown Weather - 2026-09-20 - Morning - Sunny
51°F 10°C
Sunny
Mid-Afternoon
Pottstown Weather - 2026-09-20 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Pottstown Weather - 2026-09-20 - Evening - Sunny
57°F 14°C
Sunny
Refreshing around 62°F 17°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the ENE to the E at 6 mph 10 km/h.

Monday, September 21, 2026

Mid-Morning
Pottstown Weather - 2026-09-21 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Pottstown Weather - 2026-09-21 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Pottstown Weather - 2026-09-21 - Evening - Sunny
63°F 17°C
Sunny
Mild temperatures up to 69°F 21°C, sunny throughout the day, with lower humidity and steady pressure.

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Weather by the Numbers

Tue, 8th
Pottstown IL Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 87°F 30°C
Lo: 62°F 17°C
Sunrise 06:32 AM
Sunset 07:19 PM
Wind S 8 mph13 km/h
Dew Point 58°F15°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 2% *
Humidity 48%
Wed, 9th
Pottstown IL Weather - Wednesday, Sep 9, 2026 - Patchy Rain Nearby
Hi: 81°F 27°C
Lo: 69°F 21°C
Sunrise 06:33 AM
Sunset 07:18 PM
Wind SSW 3 mph5 km/h
Dew Point 66°F19°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 22% *
Humidity 75%
Thu, 10th
Pottstown IL Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 78°F 25°C
Lo: 64°F 18°C
Sunrise 06:34 AM
Sunset 07:16 PM
Wind NE 8 mph13 km/h
Dew Point 58°F14°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 12% *
Humidity 58%
Fri, 11th
Pottstown IL Weather - Friday, Sep 11, 2026 - Overcast
Hi: 89°F 32°C
Lo: 61°F 16°C
Sunrise 06:35 AM
Sunset 07:14 PM
Wind SSW 10 mph16 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 17% *
Humidity 68%
Sat, 12th
Pottstown IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 86°F 30°C
Lo: 66°F 19°C
Sunrise 06:36 AM
Sunset 07:13 PM
Wind ENE 3 mph5 km/h
Dew Point 65°F18°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 4% *
Humidity 62%
Sun, 13th
Pottstown IL Weather - Sunday, Sep 13, 2026 - Light Rain Shower
Hi: 95°F 35°C
Lo: 76°F 25°C
Sunrise 06:37 AM
Sunset 07:11 PM
Wind SE 13 mph21 km/h
Dew Point 71°F21°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 29% *
Humidity 69%
Mon, 14th
Pottstown IL Weather - Monday, Sep 14, 2026 - Sunny
Hi: 89°F 32°C
Lo: 66°F 19°C
Sunrise 06:38 AM
Sunset 07:09 PM
Wind SW 14 mph22 km/h
Dew Point 67°F19°C
uv Index 8
Barometric Pressure 29.85 in1011 mb
POP 7% *
Humidity 51%
Tue, 15th
Pottstown IL Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 64°F 18°C
Lo: 48°F 9°C
Sunrise 06:39 AM
Sunset 07:08 PM
Wind NW 14 mph23 km/h
Dew Point 42°F5°C
uv Index 3
Barometric Pressure 30.18 in1022 mb
POP 13% *
Humidity 55%
Wed, 16th
Pottstown IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 65°F 18°C
Lo: 46°F 8°C
Sunrise 06:40 AM
Sunset 07:06 PM
Wind NNW 8 mph13 km/h
Dew Point 40°F5°C
uv Index 5
Barometric Pressure 30.36 in1028 mb
POP 4% *
Humidity 48%
Thu, 17th
Pottstown IL Weather - Thursday, Sep 17, 2026 - Cloudy
Hi: 70°F 21°C
Lo: 52°F 11°C
Sunrise 06:41 AM
Sunset 07:04 PM
Wind SSE 6 mph10 km/h
Dew Point 44°F7°C
uv Index 4
Barometric Pressure 30.39 in1029 mb
POP 3% *
Humidity 48%
Fri, 18th
Pottstown IL Weather - Friday, Sep 18, 2026 - Cloudy
Hi: 71°F 22°C
Lo: 61°F 16°C
Sunrise 06:42 AM
Sunset 07:02 PM
Wind SW 10 mph16 km/h
Dew Point 49°F10°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 18% *
Humidity 49%
Sat, 19th
Pottstown IL Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 60°F 16°C
Lo: 50°F 10°C
Sunrise 06:43 AM
Sunset 07:01 PM
Wind NNE 16 mph25 km/h
Dew Point 41°F5°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 14% *
Humidity 57%
Sun, 20th
Pottstown IL Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 63°F 17°C
Lo: 44°F 7°C
Sunrise 06:44 AM
Sunset 06:59 PM
Wind E 8 mph12 km/h
Dew Point 38°F4°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 2% *
Humidity 47%
Mon, 21st
Pottstown IL Weather - Monday, Sep 21, 2026 - Sunny
Hi: 70°F 21°C
Lo: 48°F 9°C
Sunrise 06:45 AM
Sunset 06:57 PM
Wind SSE 4 mph6 km/h
Dew Point 43°F6°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 1% *
Humidity 46%
* POP = Probability of Precipitation. Data for 12:00 PM.