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St. Jacob Weather Forecast 15 Days, Weather in St. Jacob Today

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  5. Weather in St. Jacob for 15 days

Current weather conditions and 15 day weather forecast for St. Jacob, 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 St. Jacob

11 August 2025 Monday
29.2 ° C / 84.6°F
Partly Cloudy
Partly Cloudy 		Feels Like : 34.9 ° C / 94.8°F
Humidity : % 70
Pressure : 1019 mb
Wind Speed : 8.6 kmph / 5.4 miles from SS
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15 day weather forecast for St. Jacob, IL, USA

Weather Forecast for next 15 Days for St. Jacob 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 St. Jacob, Illinois state, US. To see the daily forecast, scroll to the table below.
Date
11 August 2025 Monday
Weather forecastCloudy  Cloudy
Low temperature20.1 ° C
(68.2°F)
High temperature33.3 ° C
(91.9°F)
Avg. temperature25.8 ° C
(78.5°F)
Humidity% 83
Chance of rain0%
UV Index2.3
Sun PositionSunrise:06:11 AM
Sunset: 07:59 PM
Moon PositionMoonrise:09:23 PM
Moonset: 08:37 AM
Moon Phase
( Waning Gibbous )
12 August 2025 Tuesday
Weather forecastThundery outbreaks in nearby Thundery outbreaks in nearby
Low temperature21.5 ° C
(70.7°F)
High temperature33.6 ° C
(92.5°F)
Avg. temperature27.1 ° C
(80.7°F)
Humidity% 80
Chance of rain0%
UV Index2.1
Sun PositionSunrise:06:11 AM
Sunset: 07:58 PM
Moon PositionMoonrise:09:48 PM
Moonset: 09:48 AM
Moon Phase
( Waning Gibbous )
13 August 2025 Wednesday
Weather forecastModerate rain Moderate rain
Low temperature22.5 ° C
(72.5°F)
High temperature31.1 ° C
(88°F)
Avg. temperature26.5 ° C
(79.7°F)
Humidity% 84
Chance of rain89%
UV Index2.2
Sun PositionSunrise:06:12 AM
Sunset: 07:57 PM
Moon PositionMoonrise:10:14 PM
Moonset: 11:00 AM
Moon Phase
( Waning Gibbous )
14 August 2025 Thursday
Weather forecastFog Fog
Low temperature22.6 ° C
(72.7°F)
High temperature30.6 ° C
(87.1°F)
Avg. temperature25.9 ° C
(78.7°F)
Humidity% 83
Chance of rain0%
UV Index2.1
Sun PositionSunrise:06:13 AM
Sunset: 07:55 PM
Moon PositionMoonrise:10:44 PM
Moonset: 12:13 PM
Moon Phase
( Waning Gibbous )
15 August 2025 Friday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature22 ° C
(71.7°F)
High temperature35.6 ° C
(96°F)
Avg. temperature27 ° C
(80.6°F)
Humidity% 75
Chance of rain86%
UV Index0
Sun PositionSunrise:06:14 AM
Sunset: 07:54 PM
Moon PositionMoonrise:11:19 PM
Moonset: 01:28 PM
Moon Phase
( Waning Gibbous )
16 August 2025 Saturday
Weather forecastSunny Sunny
Low temperature23.6 ° C
(74.5°F)
High temperature37.1 ° C
(98.7°F)
Avg. temperature28.4 ° C
(83.2°F)
Humidity% 69
Chance of rain0%
UV Index7
Sun PositionSunrise:06:15 AM
Sunset: 07:53 PM
Moon PositionMoonrise:No moonrise
Moonset: 02:43 PM
Moon Phase
( Last Quarter )
17 August 2025 Sunday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature22.5 ° C
(72.5°F)
High temperature34.7 ° C
(94.5°F)
Avg. temperature27.9 ° C
(82.3°F)
Humidity% 72
Chance of rain62%
UV Index6
Sun PositionSunrise:06:16 AM
Sunset: 07:51 PM
Moon PositionMoonrise:12:02 AM
Moonset: 03:55 PM
Moon Phase
( Waning Crescent )
18 August 2025 Monday
Weather forecastSunny Sunny
Low temperature23.2 ° C
(73.7°F)
High temperature36.6 ° C
(97.9°F)
Avg. temperature29 ° C
(84.2°F)
Humidity% 65
Chance of rain0%
UV Index7
Sun PositionSunrise:06:17 AM
Sunset: 07:50 PM
Moon PositionMoonrise:12:56 AM
Moonset: 05:00 PM
Moon Phase
( Waning Crescent )
19 August 2025 Tuesday
Weather forecastSunny Sunny
Low temperature24.7 ° C
(76.5°F)
High temperature36.8 ° C
(98.2°F)
Avg. temperature30.1 ° C
(86.1°F)
Humidity% 59
Chance of rain0%
UV Index8
Sun PositionSunrise:06:18 AM
Sunset: 07:49 PM
Moon PositionMoonrise:01:59 AM
Moonset: 05:54 PM
Moon Phase
( Waning Crescent )
20 August 2025 Wednesday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature23.7 ° C
(74.6°F)
High temperature32.3 ° C
(90.2°F)
Avg. temperature27.6 ° C
(81.7°F)
Humidity% 72
Chance of rain89%
UV Index6
Sun PositionSunrise:06:19 AM
Sunset: 07:47 PM
Moon PositionMoonrise:03:08 AM
Moonset: 06:37 PM
Moon Phase
( Waning Crescent )
21 August 2025 Thursday
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature18.8 ° C
(65.8°F)
High temperature26.9 ° C
(80.4°F)
Avg. temperature22.1 ° C
(71.7°F)
Humidity% 75
Chance of rain0%
UV Index6
Sun PositionSunrise:06:19 AM
Sunset: 07:46 PM
Moon PositionMoonrise:04:20 AM
Moonset: 07:12 PM
Moon Phase
( Waning Crescent )
22 August 2025 Friday
Weather forecastSunny Sunny
Low temperature13.6 ° C
(56.4°F)
High temperature27 ° C
(80.5°F)
Avg. temperature19.9 ° C
(67.9°F)
Humidity% 62
Chance of rain0%
UV Index5
Sun PositionSunrise:06:20 AM
Sunset: 07:45 PM
Moon PositionMoonrise:05:31 AM
Moonset: 07:41 PM
Moon Phase
( Waning Crescent )
23 August 2025 Saturday
Weather forecastSunny Sunny
Low temperature16.9 ° C
(62.5°F)
High temperature33.7 ° C
(92.6°F)
Avg. temperature24.4 ° C
(75.8°F)
Humidity% 59
Chance of rain0%
UV Index6
Sun PositionSunrise:06:21 AM
Sunset: 07:43 PM
Moon PositionMoonrise:06:38 AM
Moonset: 08:05 PM
Moon Phase
( New Moon )
24 August 2025 Sunday
Weather forecastCloudy  Cloudy
Low temperature16.5 ° C
(61.7°F)
High temperature26.3 ° C
(79.3°F)
Avg. temperature20.6 ° C
(69.2°F)
Humidity% 76
Chance of rain0%
UV Index5
Sun PositionSunrise:06:22 AM
Sunset: 07:42 PM
Moon PositionMoonrise:07:43 AM
Moonset: 08:27 PM
Moon Phase
( Waxing Crescent )
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
11 August 2025 Monday Cloudy  Cloudy 20.1 ° C
(68.2°F)		 33.3 ° C
(91.9°F)		 25.8 ° C
(78.5°F)		 % 83 0% 2.3 Sunrise:06:11 AM
Sunset: 07:59 PM		 Moonrise:09:23 PM
Moonset: 08:37 AM
Moon Phase
( Waning Gibbous )
12 August 2025 Tuesday Thundery outbreaks in nearby Thundery outbreaks in nearby 21.5 ° C
(70.7°F)		 33.6 ° C
(92.5°F)		 27.1 ° C
(80.7°F)		 % 80 0% 2.1 Sunrise:06:11 AM
Sunset: 07:58 PM		 Moonrise:09:48 PM
Moonset: 09:48 AM
Moon Phase
( Waning Gibbous )
13 August 2025 Wednesday Moderate rain Moderate rain 22.5 ° C
(72.5°F)		 31.1 ° C
(88°F)		 26.5 ° C
(79.7°F)		 % 84 89% 2.2 Sunrise:06:12 AM
Sunset: 07:57 PM		 Moonrise:10:14 PM
Moonset: 11:00 AM
Moon Phase
( Waning Gibbous )
14 August 2025 Thursday Fog Fog 22.6 ° C
(72.7°F)		 30.6 ° C
(87.1°F)		 25.9 ° C
(78.7°F)		 % 83 0% 2.1 Sunrise:06:13 AM
Sunset: 07:55 PM		 Moonrise:10:44 PM
Moonset: 12:13 PM
Moon Phase
( Waning Gibbous )
15 August 2025 Friday Patchy rain nearby Patchy rain nearby 22 ° C
(71.7°F)		 35.6 ° C
(96°F)		 27 ° C
(80.6°F)		 % 75 86% 0 Sunrise:06:14 AM
Sunset: 07:54 PM		 Moonrise:11:19 PM
Moonset: 01:28 PM
Moon Phase
( Waning Gibbous )
16 August 2025 Saturday Sunny Sunny 23.6 ° C
(74.5°F)		 37.1 ° C
(98.7°F)		 28.4 ° C
(83.2°F)		 % 69 0% 7 Sunrise:06:15 AM
Sunset: 07:53 PM		 Moonrise:No moonrise
Moonset: 02:43 PM
Moon Phase
( Last Quarter )
17 August 2025 Sunday Patchy rain nearby Patchy rain nearby 22.5 ° C
(72.5°F)		 34.7 ° C
(94.5°F)		 27.9 ° C
(82.3°F)		 % 72 62% 6 Sunrise:06:16 AM
Sunset: 07:51 PM		 Moonrise:12:02 AM
Moonset: 03:55 PM
Moon Phase
( Waning Crescent )
18 August 2025 Monday Sunny Sunny 23.2 ° C
(73.7°F)		 36.6 ° C
(97.9°F)		 29 ° C
(84.2°F)		 % 65 0% 7 Sunrise:06:17 AM
Sunset: 07:50 PM		 Moonrise:12:56 AM
Moonset: 05:00 PM
Moon Phase
( Waning Crescent )
19 August 2025 Tuesday Sunny Sunny 24.7 ° C
(76.5°F)		 36.8 ° C
(98.2°F)		 30.1 ° C
(86.1°F)		 % 59 0% 8 Sunrise:06:18 AM
Sunset: 07:49 PM		 Moonrise:01:59 AM
Moonset: 05:54 PM
Moon Phase
( Waning Crescent )
20 August 2025 Wednesday Patchy rain nearby Patchy rain nearby 23.7 ° C
(74.6°F)		 32.3 ° C
(90.2°F)		 27.6 ° C
(81.7°F)		 % 72 89% 6 Sunrise:06:19 AM
Sunset: 07:47 PM		 Moonrise:03:08 AM
Moonset: 06:37 PM
Moon Phase
( Waning Crescent )
21 August 2025 Thursday Partly Cloudy  Partly Cloudy 18.8 ° C
(65.8°F)		 26.9 ° C
(80.4°F)		 22.1 ° C
(71.7°F)		 % 75 0% 6 Sunrise:06:19 AM
Sunset: 07:46 PM		 Moonrise:04:20 AM
Moonset: 07:12 PM
Moon Phase
( Waning Crescent )
22 August 2025 Friday Sunny Sunny 13.6 ° C
(56.4°F)		 27 ° C
(80.5°F)		 19.9 ° C
(67.9°F)		 % 62 0% 5 Sunrise:06:20 AM
Sunset: 07:45 PM		 Moonrise:05:31 AM
Moonset: 07:41 PM
Moon Phase
( Waning Crescent )
23 August 2025 Saturday Sunny Sunny 16.9 ° C
(62.5°F)		 33.7 ° C
(92.6°F)		 24.4 ° C
(75.8°F)		 % 59 0% 6 Sunrise:06:21 AM
Sunset: 07:43 PM		 Moonrise:06:38 AM
Moonset: 08:05 PM
Moon Phase
( New Moon )
24 August 2025 Sunday Cloudy  Cloudy 16.5 ° C
(61.7°F)		 26.3 ° C
(79.3°F)		 20.6 ° C
(69.2°F)		 % 76 0% 5 Sunrise:06:22 AM
Sunset: 07:42 PM		 Moonrise:07:43 AM
Moonset: 08:27 PM
Moon Phase
( Waxing Crescent )
St. Jacob Weather forecasts are usually fully updated every 4 hours.
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