Fairmount Weather Forecast 15 Days, Weather in Fairmount Today
Current weather conditions and 15 day weather forecast for Fairmount, 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 Fairmount
| 15 May 2026 Friday 13.5 ° C / 56.3°F  Moderate or heavy rain with thunder |
Feels Like : 11.7 ° C / 53.1°F Humidity : % 82 Pressure : 1012 mb Wind Speed : 21.2 kmph / 13.2 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 100 |
15 day weather forecast for Fairmount, IL, USA
Weather Forecast for next 15 Days for Fairmount 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 Fairmount, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday |  Patchy rain nearby |
13.1 ° C (55.6°F) |
30.4 ° C (86.7°F) |
20.3 ° C (68.5°F) |
% 65 | 78% | 7 | Sunrise:05:48 AM Sunset: 08:11 PM |
Moonrise:04:34 AM Moonset: 07:18 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday |  Moderate rain |
16.8 ° C (62.3°F) |
27.5 ° C (81.5°F) |
22 ° C (71.6°F) |
% 79 | 87% | 7.7 | Sunrise:05:48 AM Sunset: 08:12 PM |
Moonrise:05:11 AM Moonset: 08:38 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday |  Sunny |
17.6 ° C (63.6°F) |
29 ° C (84.1°F) |
23.2 ° C (73.7°F) |
% 71 | 0% | 8.9 | Sunrise:05:47 AM Sunset: 08:13 PM |
Moonrise:05:57 AM Moonset: 09:57 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday |  Heavy rain |
17.5 ° C (63.5°F) |
28.7 ° C (83.6°F) |
23.6 ° C (74.4°F) |
% 79 | 89% | 8.2 | Sunrise:05:46 AM Sunset: 08:14 PM |
Moonrise:06:55 AM Moonset: 11:06 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Moderate rain |
12.9 ° C (55.2°F) |
19.3 ° C (66.8°F) |
17.5 ° C (63.5°F) |
% 83 | 89% | 0.2 | Sunrise:05:45 AM Sunset: 08:15 PM |
Moonrise:08:04 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
10.7 ° C (51.2°F) |
18.1 ° C (64.7°F) |
14.8 ° C (58.7°F) |
% 82 | 85% | 3 | Sunrise:05:44 AM Sunset: 08:15 PM |
Moonrise:09:19 AM Moonset: 12:02 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
14.5 ° C (58°F) |
18 ° C (64.3°F) |
16.8 ° C (62.2°F) |
% 91 | 88% | 4 | Sunrise:05:43 AM Sunset: 08:16 PM |
Moonrise:10:36 AM Moonset: 12:45 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday |  Partly Cloudy |
11.2 ° C (52.1°F) |
19.1 ° C (66.5°F) |
14.7 ° C (58.4°F) |
% 74 | 0% | 4 | Sunrise:05:43 AM Sunset: 08:17 PM |
Moonrise:11:49 AM Moonset: 01:20 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Partly Cloudy |
9.9 ° C (49.9°F) |
20.7 ° C (69.2°F) |
15.1 ° C (59.3°F) |
% 73 | 0% | 5 | Sunrise:05:42 AM Sunset: 08:18 PM |
Moonrise:12:59 PM Moonset: 01:48 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Partly Cloudy |
8.3 ° C (47°F) |
20.1 ° C (68.2°F) |
14.3 ° C (57.8°F) |
% 72 | 0% | 4 | Sunrise:05:41 AM Sunset: 08:19 PM |
Moonrise:02:04 PM Moonset: 02:11 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Moderate rain |
13.7 ° C (56.6°F) |
22.6 ° C (72.7°F) |
18.8 ° C (65.8°F) |
% 82 | 85% | 4 | Sunrise:05:41 AM Sunset: 08:20 PM |
Moonrise:03:08 PM Moonset: 02:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Patchy rain nearby |
19.4 ° C (66.8°F) |
28.5 ° C (83.2°F) |
23.5 ° C (74.4°F) |
% 86 | 88% | 5 | Sunrise:05:40 AM Sunset: 08:21 PM |
Moonrise:04:10 PM Moonset: 02:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday |  Thundery outbreaks in nearby |
21.9 ° C (71.4°F) |
30.6 ° C (87.1°F) |
26.2 ° C (79.2°F) |
% 80 | 0% | 6 | Sunrise:05:40 AM Sunset: 08:21 PM |
Moonrise:05:13 PM Moonset: 03:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Patchy rain nearby |
20.6 ° C (69.1°F) |
28.8 ° C (83.8°F) |
25 ° C (77°F) |
% 84 | 89% | 6 | Sunrise:05:39 AM Sunset: 08:22 PM |
Moonrise:06:16 PM Moonset: 03:41 AM Moon Phase ( Waxing Gibbous ) |
|
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