Gillespie Weather Forecast 15 Days, Weather in Gillespie Today
Current weather conditions and 15 day weather forecast for Gillespie, 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 Gillespie
| 06 August 2026 Thursday 24.5 ° C / 76.1°F  Patchy rain nearby |
Feels Like : 25.1 ° C / 77.2°F Humidity : % 78 Pressure : 1019 mb Wind Speed : 16.9 kmph / 10.5 miles from SSW  Visibility : 10 km Precipitation (rainfall) : 0.09 mm Cloud (%) : 82 |
15 day weather forecast for Gillespie, IL, USA
Weather Forecast for next 15 Days for Gillespie 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 Gillespie, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 06 August 2026 Thursday | Patchy rain nearby |
21.1 ° C (70°F) |
28.4 ° C (83.1°F) |
23.7 ° C (74.7°F) |
% 84 | 80% | 7.7 | Sunrise:06:04 AM Sunset: 08:06 PM |
Moonrise:11:59 PM Moonset: 02:23 PM Moon Phase ( Last Quarter ) |
|
| 07 August 2026 Friday |  Sunny |
20.7 ° C (69.3°F) |
30.5 ° C (86.9°F) |
24.9 ° C (76.9°F) |
% 85 | 76% | 7.9 | Sunrise:06:05 AM Sunset: 08:04 PM |
Moonrise:Does not rise today Moonset: 03:35 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Sunny |
20 ° C (68°F) |
30.2 ° C (86.3°F) |
24.7 ° C (76.4°F) |
% 81 | 47% | 8.1 | Sunrise:06:06 AM Sunset: 08:03 PM |
Moonrise:12:45 AM Moonset: 04:44 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
22.3 ° C (72.1°F) |
32.9 ° C (91.2°F) |
27 ° C (80.6°F) |
% 78 | 8% | 8.1 | Sunrise:06:07 AM Sunset: 08:02 PM |
Moonrise:01:43 AM Moonset: 05:47 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
22.6 ° C (72.7°F) |
33.3 ° C (91.9°F) |
27.7 ° C (81.9°F) |
% 72 | 6% | 8 | Sunrise:06:08 AM Sunset: 08:01 PM |
Moonrise:02:53 AM Moonset: 06:40 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
23.3 ° C (74°F) |
35.2 ° C (95.3°F) |
28.3 ° C (82.9°F) |
% 70 | 6% | 9 | Sunrise:06:08 AM Sunset: 08:00 PM |
Moonrise:04:11 AM Moonset: 07:24 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
22.3 ° C (72.1°F) |
32.9 ° C (91.3°F) |
26.4 ° C (79.4°F) |
% 75 | 38% | 8 | Sunrise:06:09 AM Sunset: 07:58 PM |
Moonrise:05:33 AM Moonset: 07:59 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
22.3 ° C (72.1°F) |
28.8 ° C (83.8°F) |
25 ° C (77°F) |
% 80 | 57% | 7 | Sunrise:06:10 AM Sunset: 07:57 PM |
Moonrise:06:53 AM Moonset: 08:29 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday |  Partly Cloudy |
19.2 ° C (66.5°F) |
28.4 ° C (83.2°F) |
24.2 ° C (75.6°F) |
% 86 | 23% | 7 | Sunrise:06:11 AM Sunset: 07:56 PM |
Moonrise:08:10 AM Moonset: 08:56 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Partly Cloudy |
22.8 ° C (73°F) |
31.5 ° C (88.7°F) |
26.3 ° C (79.3°F) |
% 80 | 70% | 8 | Sunrise:06:12 AM Sunset: 07:54 PM |
Moonrise:09:24 AM Moonset: 09:21 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Patchy rain nearby |
21.1 ° C (70°F) |
27.5 ° C (81.6°F) |
23.5 ° C (74.3°F) |
% 92 | 90% | 6 | Sunrise:06:13 AM Sunset: 07:53 PM |
Moonrise:10:36 AM Moonset: 09:47 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Patchy rain nearby |
18.9 ° C (66°F) |
25.8 ° C (78.5°F) |
22 ° C (71.5°F) |
% 85 | 36% | 6 | Sunrise:06:14 AM Sunset: 07:52 PM |
Moonrise:11:47 AM Moonset: 10:15 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday |  Cloudy |
16.5 ° C (61.6°F) |
25 ° C (77.1°F) |
20.7 ° C (69.3°F) |
% 86 | 21% | 6 | Sunrise:06:15 AM Sunset: 07:50 PM |
Moonrise:12:57 PM Moonset: 10:47 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
18 ° C (64.5°F) |
27.9 ° C (82.3°F) |
22.7 ° C (72.9°F) |
% 83 | 13% | 7 | Sunrise:06:16 AM Sunset: 07:49 PM |
Moonrise:02:05 PM Moonset: 11:24 PM Moon Phase ( First Quarter ) |
|
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