Washington Weather Forecast 15 Days, Weather in Washington Today
Current weather conditions and 15 day weather forecast for Washington, 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 Washington
| 09 February 2026 Monday -5.6 ° C / 21.9°F  Sunny |
Feels Like : -9.9 ° C / 14.1°F Humidity : % 65 Pressure : 1021 mb Wind Speed : 9.7 kmph / 6 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Washington, IL, USA
Weather Forecast for next 15 Days for Washington 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 Washington, 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 February 2026 Monday | Sunny |
-6.3 ° C (20.7°F) |
11.7 ° C (53.1°F) |
-0.2 ° C (31.6°F) |
% 63 | 0% | 0.5 | Sunrise:06:59 AM Sunset: 05:26 PM |
Moonrise:12:58 AM Moonset: 10:26 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday |  Overcast |
-0.1 ° C (31.8°F) |
7.7 ° C (45.9°F) |
2.8 ° C (37°F) |
% 87 | 0% | 0.6 | Sunrise:06:58 AM Sunset: 05:27 PM |
Moonrise:02:01 AM Moonset: 11:00 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday |  Partly Cloudy |
-2.4 ° C (27.7°F) |
4.9 ° C (40.8°F) |
0.9 ° C (33.6°F) |
% 75 | 0% | 0.6 | Sunrise:06:57 AM Sunset: 05:28 PM |
Moonrise:03:01 AM Moonset: 11:42 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday |  Light freezing rain |
-2.4 ° C (27.8°F) |
2.4 ° C (36.3°F) |
0.2 ° C (32.4°F) |
% 67 | 86% | 0.5 | Sunrise:06:55 AM Sunset: 05:29 PM |
Moonrise:03:58 AM Moonset: 12:32 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday |  Moderate snow |
-0.9 ° C (30.3°F) |
2.5 ° C (36.4°F) |
0.1 ° C (32.3°F) |
% 93 | 59% | 0 | Sunrise:06:54 AM Sunset: 05:31 PM |
Moonrise:04:47 AM Moonset: 01:30 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday |  Light rain |
0.2 ° C (32.4°F) |
1.3 ° C (34.4°F) |
0.6 ° C (33.2°F) |
% 96 | 71% | 1 | Sunrise:06:53 AM Sunset: 05:32 PM |
Moonrise:05:29 AM Moonset: 02:34 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Overcast |
-2.1 ° C (28.3°F) |
4.6 ° C (40.3°F) |
1 ° C (33.9°F) |
% 93 | 0% | 1 | Sunrise:06:51 AM Sunset: 05:33 PM |
Moonrise:06:04 AM Moonset: 03:42 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Partly Cloudy |
2.1 ° C (35.8°F) |
9.7 ° C (49.5°F) |
5.8 ° C (42.5°F) |
% 84 | 0% | 3 | Sunrise:06:50 AM Sunset: 05:34 PM |
Moonrise:06:34 AM Moonset: 04:51 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday |  Patchy rain nearby |
10 ° C (50°F) |
17.9 ° C (64.2°F) |
14 ° C (57.2°F) |
% 80 | 72% | 3 | Sunrise:06:49 AM Sunset: 05:35 PM |
Moonrise:07:00 AM Moonset: 06:00 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Patchy rain nearby |
8.5 ° C (47.2°F) |
14.7 ° C (58.4°F) |
11.9 ° C (53.5°F) |
% 76 | 83% | 3 | Sunrise:06:47 AM Sunset: 05:37 PM |
Moonrise:07:23 AM Moonset: 07:10 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday |  Heavy rain |
1.6 ° C (34.9°F) |
14.1 ° C (57.4°F) |
5.7 ° C (42.2°F) |
% 85 | 86% | 2 | Sunrise:06:46 AM Sunset: 05:38 PM |
Moonrise:07:45 AM Moonset: 08:20 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Overcast |
0.8 ° C (33.4°F) |
8.5 ° C (47.4°F) |
4.1 ° C (39.3°F) |
% 76 | 0% | 1 | Sunrise:06:45 AM Sunset: 05:39 PM |
Moonrise:08:08 AM Moonset: 09:32 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Patchy rain nearby |
3.8 ° C (38.9°F) |
16 ° C (60.8°F) |
8.7 ° C (47.7°F) |
% 90 | 87% | 2 | Sunrise:06:43 AM Sunset: 05:40 PM |
Moonrise:08:32 AM Moonset: 10:45 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday |  Light snow |
-1 ° C (30.3°F) |
3.2 ° C (37.7°F) |
1.3 ° C (34.4°F) |
% 70 | 0% | 1 | Sunrise:06:42 AM Sunset: 05:41 PM |
Moonrise:09:01 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
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