Chatham Weather Forecast 15 Days, Weather in Chatham Today
Current weather conditions and 15 day weather forecast for Chatham, 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 Chatham
| 25 March 2026 Wednesday 12.2 ° C / 54°F  Partly cloudy |
Feels Like : 10.6 ° C / 51.2°F Humidity : % 35 Pressure : 1022 mb Wind Speed : 14.8 kmph / 9.2 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for Chatham, IL, USA
Weather Forecast for next 15 Days for Chatham 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 Chatham, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 March 2026 Tuesday |  Sunny |
-0.2 ° C (31.6°F) |
19.9 ° C (67.8°F) |
9.3 ° C (48.8°F) |
% 35 | 0% | 1.1 | Sunrise:06:56 AM Sunset: 07:15 PM |
Moonrise:10:14 AM Moonset: 01:18 AM Moon Phase ( Waxing Crescent ) |
|
| 25 March 2026 Wednesday | Sunny |
5.3 ° C (41.5°F) |
21.2 ° C (70.2°F) |
13.8 ° C (56.8°F) |
% 51 | 0% | 1.4 | Sunrise:06:54 AM Sunset: 07:16 PM |
Moonrise:11:17 AM Moonset: 02:25 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday |  Moderate rain |
10.5 ° C (50.9°F) |
27.5 ° C (81.5°F) |
20 ° C (67.9°F) |
% 76 | 84% | 1.7 | Sunrise:06:52 AM Sunset: 07:17 PM |
Moonrise:12:27 PM Moonset: 03:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Heavy rain |
3.8 ° C (38.8°F) |
13.3 ° C (55.9°F) |
8.7 ° C (47.6°F) |
% 67 | 75% | 1.5 | Sunrise:06:51 AM Sunset: 07:18 PM |
Moonrise:01:40 PM Moonset: 04:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Sunny |
1.5 ° C (34.8°F) |
12.2 ° C (53.9°F) |
6.6 ° C (43.8°F) |
% 52 | 0% | 1.6 | Sunrise:06:49 AM Sunset: 07:19 PM |
Moonrise:02:53 PM Moonset: 04:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday | Partly Cloudy |
6.7 ° C (44°F) |
10.9 ° C (51.6°F) |
8 ° C (46.5°F) |
% 60 | 0% | 0 | Sunrise:06:47 AM Sunset: 07:20 PM |
Moonrise:04:03 PM Moonset: 05:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday |  Patchy rain nearby |
10.8 ° C (51.4°F) |
24.7 ° C (76.5°F) |
17.8 ° C (64°F) |
% 76 | 63% | 4 | Sunrise:06:46 AM Sunset: 07:21 PM |
Moonrise:05:10 PM Moonset: 05:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Cloudy |
17.8 ° C (64°F) |
25.3 ° C (77.6°F) |
21.1 ° C (70°F) |
% 71 | 0% | 5 | Sunrise:06:44 AM Sunset: 07:22 PM |
Moonrise:06:15 PM Moonset: 05:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
18.4 ° C (65.1°F) |
18.9 ° C (66°F) |
19.2 ° C (66.5°F) |
% 82 | 89% | 4 | Sunrise:06:43 AM Sunset: 07:23 PM |
Moonrise:07:19 PM Moonset: 06:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Overcast |
9.2 ° C (48.5°F) |
17.6 ° C (63.7°F) |
12.9 ° C (55.3°F) |
% 77 | 0% | 3 | Sunrise:06:41 AM Sunset: 07:24 PM |
Moonrise:08:22 PM Moonset: 06:40 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Patchy rain nearby |
14.6 ° C (58.2°F) |
26.1 ° C (79°F) |
19.9 ° C (67.8°F) |
% 80 | 84% | 4 | Sunrise:06:39 AM Sunset: 07:25 PM |
Moonrise:09:27 PM Moonset: 07:04 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Patchy rain nearby |
4.8 ° C (40.7°F) |
8.4 ° C (47.2°F) |
7.8 ° C (46.1°F) |
% 67 | 87% | 2 | Sunrise:06:38 AM Sunset: 07:26 PM |
Moonrise:10:30 PM Moonset: 07:30 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Partly Cloudy |
0.4 ° C (32.6°F) |
9.5 ° C (49°F) |
5.1 ° C (41.2°F) |
% 51 | 0% | 3 | Sunrise:06:36 AM Sunset: 07:27 PM |
Moonrise:11:33 PM Moonset: 08:01 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Sunny |
1.7 ° C (35°F) |
13.2 ° C (55.8°F) |
7.4 ° C (45.3°F) |
% 53 | 0% | 3 | Sunrise:06:35 AM Sunset: 07:28 PM |
Moonrise:No moonrise Moonset: 08:37 AM Moon Phase ( Waning Gibbous ) |
|
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