Weather forecast for 10 daysPotomac, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSSE 164°
- Humidity: 65%
- UV index: 0
- Sunrise: 7:04 am CDT
- Sunset: 6:08 pm CDT
- details ▼
In Potomac, during the afternoon and for the rest of the day, calm and clear weather will dominate.
The lowest temperature will be a cold 35.6°F.
Sunrise was at 7:04 am and sunset will be at 6:08 pm; the daylight will last for 11h and 4min.
The lowest temperature will be a cold 35.6°F.
Sunrise was at 7:04 am and sunset will be at 6:08 pm; the daylight will last for 11h and 4min.
Sunday Oct 18, 2026
- 66°F
- 36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphS 187°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:07 pm CDT
- details ▼
On Sunday, October 18, sun-filled conditions are also expected to persist.
Temperatures will show considerable variation, extending from a high of a comfortable 66.2°F to a low of a cold 35.6°F.
Tomorrow's forecasted high will be in line with October's typical peak of 62.8°F.
Sunrise will be at 7:05 am and sunset at 6:07 pm; tomorrow's daylight will last for 11h and 2min.
Temperatures will show considerable variation, extending from a high of a comfortable 66.2°F to a low of a cold 35.6°F.
Tomorrow's forecasted high will be in line with October's typical peak of 62.8°F.
Sunrise will be at 7:05 am and sunset at 6:07 pm; tomorrow's daylight will last for 11h and 2min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 77°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: 6%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSSE 164°
- Humidity: 65%
- UV index: 0
- Sunrise: 7:04 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphS 187°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSSE 159°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphE 84°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphSE 137°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNE 48°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 45°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphE 100°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 129°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 5:58 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphS 183°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 5:57 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 45°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphNE 37°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 5:55 pm CDT
- details ▼
A combination of sun-filled and overcast weather is forecasted.
Rainfall is not predicted in Potomac in the upcoming days.
In the coming days, the maximum temperature will vary between 66.2°F and 77°F, while the lowest night temperatures will vary significantly, as the minimum temperature is expected to range between 35.6°F and 48.2°F.
Next Sunday will be the warmest day, with a maximum temperature of 77°F; expect the coldest day on Sunday with a high of 66.2°F.
Rainfall is not predicted in Potomac in the upcoming days.
In the coming days, the maximum temperature will vary between 66.2°F and 77°F, while the lowest night temperatures will vary significantly, as the minimum temperature is expected to range between 35.6°F and 48.2°F.
Next Sunday will be the warmest day, with a maximum temperature of 77°F; expect the coldest day on Sunday with a high of 66.2°F.
Updated: Oct 17, 2026 @ 20:51:37 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Potomac, clear and sunny conditions are expected.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 35.6°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be notably lower than the average low of 46.9°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be notably lower than the average low of 46.9°F.
On Sunday, in Potomac, sunrise will be at 7:05 am and sunset at 6:07 pm (CDT).
Tomorrow, the daylight will last for 11h and 2min.
