Geneva Weather Forecast 15 Days, Weather in Geneva Today

Current weather conditions and 15 day weather forecast for Geneva, 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 Geneva

09 August 2026 Sunday
18.6 ° C / 65.5°F
Clear
Clear
Feels Like : 19.5 ° C / 67.1°F
Humidity : % 82
Pressure : 1017 mb
Wind Speed : 4.7 kmph / 2.9 miles from WSWWSW
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 1

15 day weather forecast for Geneva, IL, USA

Weather Forecast for next 15 Days for Geneva 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 Geneva, Illinois state, US. To see the daily forecast, scroll to the table below.
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
09 August 2026 Sunday Sunny Sunny 16.9 ° C
(62.4°F)
28 ° C
(82.3°F)
23.2 ° C
(73.7°F)
% 83 79% 2.7 Sunrise:05:55 AM
Sunset: 08:02 PM
Moonrise:01:25 AM
Moonset: 05:52 PM
Moon Phase
( Waning Crescent )
10 August 2026 Monday Thundery outbreaks in nearby Thundery outbreaks in nearby 20.4 ° C
(68.6°F)
29.6 ° C
(85.2°F)
24.6 ° C
(76.2°F)
% 88 83% 5.1 Sunrise:05:56 AM
Sunset: 08:00 PM
Moonrise:02:35 AM
Moonset: 06:44 PM
Moon Phase
( New Moon )
11 August 2026 Tuesday Mist Mist 20.5 ° C
(68.8°F)
28.8 ° C
(83.8°F)
24.2 ° C
(75.6°F)
% 89 77% 4.7 Sunrise:05:57 AM
Sunset: 07:59 PM
Moonrise:03:55 AM
Moonset: 07:25 PM
Moon Phase
( New Moon )
12 August 2026 Wednesday Sunny Sunny 18.2 ° C
(64.8°F)
26.5 ° C
(79.8°F)
22 ° C
(71.7°F)
% 82 36% 6.1 Sunrise:05:58 AM
Sunset: 07:58 PM
Moonrise:05:19 AM
Moonset: 07:58 PM
Moon Phase
( New Moon )
13 August 2026 Thursday Sunny Sunny 16 ° C
(60.8°F)
23.2 ° C
(73.8°F)
19 ° C
(66.2°F)
% 71 7% 6 Sunrise:05:59 AM
Sunset: 07:56 PM
Moonrise:06:42 AM
Moonset: 08:26 PM
Moon Phase
( New Moon )
14 August 2026 Friday Sunny Sunny 14.9 ° C
(58.8°F)
24.9 ° C
(76.9°F)
19.4 ° C
(66.9°F)
% 69 5% 6 Sunrise:06:00 AM
Sunset: 07:55 PM
Moonrise:08:02 AM
Moonset: 08:50 PM
Moon Phase
( Waxing Crescent )
15 August 2026 Saturday Sunny Sunny 16 ° C
(60.7°F)
20.7 ° C
(69.3°F)
17.8 ° C
(64°F)
% 73 24% 6 Sunrise:06:01 AM
Sunset: 07:53 PM
Moonrise:09:18 AM
Moonset: 09:13 PM
Moon Phase
( Waxing Crescent )
16 August 2026 Sunday Partly Cloudy Partly Cloudy 16.2 ° C
(61.2°F)
23.8 ° C
(74.8°F)
19.3 ° C
(66.8°F)
% 76 13% 6 Sunrise:06:02 AM
Sunset: 07:52 PM
Moonrise:10:33 AM
Moonset: 09:37 PM
Moon Phase
( Waxing Crescent )
17 August 2026 Monday Sunny Sunny 17.6 ° C
(63.7°F)
25.3 ° C
(77.6°F)
21.1 ° C
(70°F)
% 82 36% 7 Sunrise:06:03 AM
Sunset: 07:51 PM
Moonrise:11:46 AM
Moonset: 10:03 PM
Moon Phase
( Waxing Crescent )
18 August 2026 Tuesday Sunny Sunny 18.1 ° C
(64.6°F)
27 ° C
(80.6°F)
22.2 ° C
(72°F)
% 84 12% 7 Sunrise:06:04 AM
Sunset: 07:49 PM
Moonrise:12:58 PM
Moonset: 10:32 PM
Moon Phase
( First Quarter )
19 August 2026 Wednesday Sunny Sunny 14 ° C
(57.2°F)
23 ° C
(73.4°F)
19.4 ° C
(67°F)
% 82 36% 6 Sunrise:06:05 AM
Sunset: 07:48 PM
Moonrise:02:08 PM
Moonset: 11:07 PM
Moon Phase
( First Quarter )
20 August 2026 Thursday Sunny Sunny 11.2 ° C
(52.1°F)
19 ° C
(66.2°F)
14.7 ° C
(58.5°F)
% 84 13% 5 Sunrise:06:06 AM
Sunset: 07:46 PM
Moonrise:03:14 PM
Moonset: 11:49 PM
Moon Phase
( First Quarter )
21 August 2026 Friday Sunny Sunny 11.6 ° C
(52.8°F)
23.4 ° C
(74°F)
16.8 ° C
(62.2°F)
% 73 7% 6 Sunrise:06:07 AM
Sunset: 07:45 PM
Moonrise:04:12 PM
Moonset: Does not set today
Moon Phase
( First Quarter )
22 August 2026 Saturday Sunny Sunny 13.3 ° C
(55.9°F)
20.7 ° C
(69.3°F)
16.9 ° C
(62.4°F)
% 83 36% 6 Sunrise:06:08 AM
Sunset: 07:43 PM
Moonrise:05:02 PM
Moonset: 12:39 AM
Moon Phase
( Waxing Gibbous )
Geneva Weather forecasts are usually fully updated every 4 hours.
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