Potomac Weather Forecast 15 Days, Weather in Potomac Today

Current weather conditions and 15 day weather forecast for Potomac, Illinois, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Potomac

01 August 2025 Friday
15.7 ° C / 60.3°F
Fog
Fog
Feels Like : 15.7 ° C / 60.3°F
Humidity : % 97
Pressure : 1024 mb
Wind Speed : 13 kmph / 8.1 miles from NENE
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15 day weather forecast for Potomac, IL, USA

Weather Forecast for next 15 Days for Potomac including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Potomac, Illinois state, US. To see the daily forecast, scroll to the table below.
Date
01 August 2025 Friday
Weather forecastSunny Sunny
Low temperature12.9 ° C
(55.2°F)
High temperature26.4 ° C
(79.5°F)
Avg. temperature19.4 ° C
(67°F)
Humidity% 74
Chance of rain0%
UV Index2.2
Sun PositionSunrise:05:50 AM
Sunset: 08:05 PM
Moon PositionMoonrise:01:55 PM
Moonset: 11:44 PM
Moon Phase
( First Quarter )
02 August 2025 Saturday
Weather forecastOvercast  Overcast
Low temperature11.4 ° C
(52.5°F)
High temperature24.2 ° C
(75.6°F)
Avg. temperature18.3 ° C
(64.9°F)
Humidity% 75
Chance of rain0%
UV Index2.1
Sun PositionSunrise:05:51 AM
Sunset: 08:04 PM
Moon PositionMoonrise:02:58 PM
Moonset: No moonset
Moon Phase
( Waxing Gibbous )
03 August 2025 Sunday
Weather forecastSunny Sunny
Low temperature12.3 ° C
(54.1°F)
High temperature27.8 ° C
(82°F)
Avg. temperature20.3 ° C
(68.5°F)
Humidity% 74
Chance of rain0%
UV Index2.2
Sun PositionSunrise:05:52 AM
Sunset: 08:03 PM
Moon PositionMoonrise:04:01 PM
Moonset: 12:15 AM
Moon Phase
( Waxing Gibbous )
04 August 2025 Monday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature15.6 ° C
(60.2°F)
High temperature25.6 ° C
(78.1°F)
Avg. temperature20.5 ° C
(68.9°F)
Humidity% 84
Chance of rain87%
UV Index2.1
Sun PositionSunrise:05:53 AM
Sunset: 08:02 PM
Moon PositionMoonrise:05:01 PM
Moonset: 12:54 AM
Moon Phase
( Waxing Gibbous )
05 August 2025 Tuesday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature18.3 ° C
(64.9°F)
High temperature25.9 ° C
(78.5°F)
Avg. temperature21.4 ° C
(70.5°F)
Humidity% 91
Chance of rain80%
UV Index0
Sun PositionSunrise:05:54 AM
Sunset: 08:01 PM
Moon PositionMoonrise:05:56 PM
Moonset: 01:41 AM
Moon Phase
( Waxing Gibbous )
06 August 2025 Wednesday
Weather forecastModerate rain Moderate rain
Low temperature19.3 ° C
(66.8°F)
High temperature26.8 ° C
(80.3°F)
Avg. temperature22.9 ° C
(73.2°F)
Humidity% 87
Chance of rain86%
UV Index5
Sun PositionSunrise:05:55 AM
Sunset: 08:00 PM
Moon PositionMoonrise:06:44 PM
Moonset: 02:37 AM
Moon Phase
( Waxing Gibbous )
07 August 2025 Thursday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature18.6 ° C
(65.5°F)
High temperature27.2 ° C
(80.9°F)
Avg. temperature22.7 ° C
(72.9°F)
Humidity% 87
Chance of rain62%
UV Index5
Sun PositionSunrise:05:56 AM
Sunset: 07:59 PM
Moon PositionMoonrise:07:25 PM
Moonset: 03:42 AM
Moon Phase
( Waxing Gibbous )
08 August 2025 Friday
Weather forecastSunny Sunny
Low temperature19.1 ° C
(66.4°F)
High temperature28.8 ° C
(83.8°F)
Avg. temperature23.5 ° C
(74.3°F)
Humidity% 85
Chance of rain0%
UV Index6
Sun PositionSunrise:05:57 AM
Sunset: 07:57 PM
Moon PositionMoonrise:07:58 PM
Moonset: 04:51 AM
Moon Phase
( Waxing Gibbous )
09 August 2025 Saturday
Weather forecastSunny Sunny
Low temperature20.7 ° C
(69.2°F)
High temperature29.5 ° C
(85.1°F)
Avg. temperature24.9 ° C
(76.9°F)
Humidity% 85
Chance of rain0%
UV Index6
Sun PositionSunrise:05:57 AM
Sunset: 07:56 PM
Moon PositionMoonrise:08:26 PM
Moonset: 06:03 AM
Moon Phase
( Full Moon )
10 August 2025 Sunday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature21.4 ° C
(70.5°F)
High temperature26.1 ° C
(79°F)
Avg. temperature23 ° C
(73.4°F)
Humidity% 89
Chance of rain83%
UV Index5
Sun PositionSunrise:05:58 AM
Sunset: 07:55 PM
Moon PositionMoonrise:08:51 PM
Moonset: 07:16 AM
Moon Phase
( Waning Gibbous )
11 August 2025 Monday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature18.7 ° C
(65.7°F)
High temperature27.3 ° C
(81.1°F)
Avg. temperature22.5 ° C
(72.5°F)
Humidity% 84
Chance of rain0%
UV Index5
Sun PositionSunrise:05:59 AM
Sunset: 07:54 PM
Moon PositionMoonrise:09:15 PM
Moonset: 08:27 AM
Moon Phase
( Waning Gibbous )
12 August 2025 Tuesday
Weather forecastMist Mist
Low temperature18.5 ° C
(65.3°F)
High temperature28.1 ° C
(82.5°F)
Avg. temperature22.9 ° C
(73.2°F)
Humidity% 83
Chance of rain0%
UV Index5
Sun PositionSunrise:06:00 AM
Sunset: 07:52 PM
Moon PositionMoonrise:09:39 PM
Moonset: 09:40 AM
Moon Phase
( Waning Gibbous )
13 August 2025 Wednesday
Weather forecastSunny Sunny
Low temperature18.7 ° C
(65.7°F)
High temperature29.4 ° C
(84.9°F)
Avg. temperature23.8 ° C
(74.8°F)
Humidity% 78
Chance of rain0%
UV Index6
Sun PositionSunrise:06:01 AM
Sunset: 07:51 PM
Moon PositionMoonrise:10:03 PM
Moonset: 10:53 AM
Moon Phase
( Waning Gibbous )
14 August 2025 Thursday
Weather forecastSunny Sunny
Low temperature20.4 ° C
(68.7°F)
High temperature29.7 ° C
(85.5°F)
Avg. temperature24.3 ° C
(75.7°F)
Humidity% 78
Chance of rain0%
UV Index6
Sun PositionSunrise:06:02 AM
Sunset: 07:50 PM
Moon PositionMoonrise:10:31 PM
Moonset: 12:07 PM
Moon Phase
( Waning Gibbous )
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
01 August 2025 Friday Sunny Sunny 12.9 ° C
(55.2°F)
26.4 ° C
(79.5°F)
19.4 ° C
(67°F)
% 74 0% 2.2 Sunrise:05:50 AM
Sunset: 08:05 PM
Moonrise:01:55 PM
Moonset: 11:44 PM
Moon Phase
( First Quarter )
02 August 2025 Saturday Overcast  Overcast 11.4 ° C
(52.5°F)
24.2 ° C
(75.6°F)
18.3 ° C
(64.9°F)
% 75 0% 2.1 Sunrise:05:51 AM
Sunset: 08:04 PM
Moonrise:02:58 PM
Moonset: No moonset
Moon Phase
( Waxing Gibbous )
03 August 2025 Sunday Sunny Sunny 12.3 ° C
(54.1°F)
27.8 ° C
(82°F)
20.3 ° C
(68.5°F)
% 74 0% 2.2 Sunrise:05:52 AM
Sunset: 08:03 PM
Moonrise:04:01 PM
Moonset: 12:15 AM
Moon Phase
( Waxing Gibbous )
04 August 2025 Monday Patchy rain nearby Patchy rain nearby 15.6 ° C
(60.2°F)
25.6 ° C
(78.1°F)
20.5 ° C
(68.9°F)
% 84 87% 2.1 Sunrise:05:53 AM
Sunset: 08:02 PM
Moonrise:05:01 PM
Moonset: 12:54 AM
Moon Phase
( Waxing Gibbous )
05 August 2025 Tuesday Patchy rain nearby Patchy rain nearby 18.3 ° C
(64.9°F)
25.9 ° C
(78.5°F)
21.4 ° C
(70.5°F)
% 91 80% 0 Sunrise:05:54 AM
Sunset: 08:01 PM
Moonrise:05:56 PM
Moonset: 01:41 AM
Moon Phase
( Waxing Gibbous )
06 August 2025 Wednesday Moderate rain Moderate rain 19.3 ° C
(66.8°F)
26.8 ° C
(80.3°F)
22.9 ° C
(73.2°F)
% 87 86% 5 Sunrise:05:55 AM
Sunset: 08:00 PM
Moonrise:06:44 PM
Moonset: 02:37 AM
Moon Phase
( Waxing Gibbous )
07 August 2025 Thursday Patchy rain nearby Patchy rain nearby 18.6 ° C
(65.5°F)
27.2 ° C
(80.9°F)
22.7 ° C
(72.9°F)
% 87 62% 5 Sunrise:05:56 AM
Sunset: 07:59 PM
Moonrise:07:25 PM
Moonset: 03:42 AM
Moon Phase
( Waxing Gibbous )
08 August 2025 Friday Sunny Sunny 19.1 ° C
(66.4°F)
28.8 ° C
(83.8°F)
23.5 ° C
(74.3°F)
% 85 0% 6 Sunrise:05:57 AM
Sunset: 07:57 PM
Moonrise:07:58 PM
Moonset: 04:51 AM
Moon Phase
( Waxing Gibbous )
09 August 2025 Saturday Sunny Sunny 20.7 ° C
(69.2°F)
29.5 ° C
(85.1°F)
24.9 ° C
(76.9°F)
% 85 0% 6 Sunrise:05:57 AM
Sunset: 07:56 PM
Moonrise:08:26 PM
Moonset: 06:03 AM
Moon Phase
( Full Moon )
10 August 2025 Sunday Patchy rain nearby Patchy rain nearby 21.4 ° C
(70.5°F)
26.1 ° C
(79°F)
23 ° C
(73.4°F)
% 89 83% 5 Sunrise:05:58 AM
Sunset: 07:55 PM
Moonrise:08:51 PM
Moonset: 07:16 AM
Moon Phase
( Waning Gibbous )
11 August 2025 Monday Patchy rain nearby Patchy rain nearby 18.7 ° C
(65.7°F)
27.3 ° C
(81.1°F)
22.5 ° C
(72.5°F)
% 84 0% 5 Sunrise:05:59 AM
Sunset: 07:54 PM
Moonrise:09:15 PM
Moonset: 08:27 AM
Moon Phase
( Waning Gibbous )
12 August 2025 Tuesday Mist Mist 18.5 ° C
(65.3°F)
28.1 ° C
(82.5°F)
22.9 ° C
(73.2°F)
% 83 0% 5 Sunrise:06:00 AM
Sunset: 07:52 PM
Moonrise:09:39 PM
Moonset: 09:40 AM
Moon Phase
( Waning Gibbous )
13 August 2025 Wednesday Sunny Sunny 18.7 ° C
(65.7°F)
29.4 ° C
(84.9°F)
23.8 ° C
(74.8°F)
% 78 0% 6 Sunrise:06:01 AM
Sunset: 07:51 PM
Moonrise:10:03 PM
Moonset: 10:53 AM
Moon Phase
( Waning Gibbous )
14 August 2025 Thursday Sunny Sunny 20.4 ° C
(68.7°F)
29.7 ° C
(85.5°F)
24.3 ° C
(75.7°F)
% 78 0% 6 Sunrise:06:02 AM
Sunset: 07:50 PM
Moonrise:10:31 PM
Moonset: 12:07 PM
Moon Phase
( Waning Gibbous )
Potomac Weather forecasts are usually fully updated every 4 hours.
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