Denison Weather Forecast 15 Days, Weather in Denison Today
Current weather conditions and 15 day weather forecast for Denison, 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 Denison
| 09 November 2026 Monday 17 ° C / 62.6°F  Sunny |
Feels Like : 14 ° C / 57.2°F Humidity : % 38 Pressure : 1021 mb Wind Speed : 7.6 kmph / 4.7 miles from W  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Denison, IL, USA
Weather Forecast for next 15 Days for Denison 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 Denison, 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 November 2026 Monday | Sunny |
5.3 ° C (41.5°F) |
19 ° C (66.1°F) |
11.8 ° C (53.2°F) |
% 53 | 2% | 3.1 | Sunrise:06:26 AM Sunset: 04:42 PM |
Moonrise:07:05 AM Moonset: 04:41 PM Moon Phase ( New Moon ) |
|
| 10 November 2026 Tuesday | Sunny |
8.5 ° C (47.3°F) |
20.8 ° C (69.5°F) |
13.7 ° C (56.6°F) |
% 62 | 4% | 3 | Sunrise:06:27 AM Sunset: 04:41 PM |
Moonrise:08:13 AM Moonset: 05:25 PM Moon Phase ( New Moon ) |
|
| 11 November 2026 Wednesday | Sunny |
8 ° C (46.5°F) |
19.1 ° C (66.4°F) |
13.6 ° C (56.4°F) |
% 73 | 61% | 2.3 | Sunrise:06:28 AM Sunset: 04:41 PM |
Moonrise:09:16 AM Moonset: 06:16 PM Moon Phase ( Waxing Crescent ) |
|
| 12 November 2026 Thursday |  Patchy rain nearby |
3 ° C (37.4°F) |
12 ° C (53.6°F) |
8.2 ° C (46.7°F) |
% 68 | 41% | 0.2 | Sunrise:06:29 AM Sunset: 04:40 PM |
Moonrise:10:10 AM Moonset: 07:14 PM Moon Phase ( Waxing Crescent ) |
|
| 13 November 2026 Friday | Sunny |
0.5 ° C (32.9°F) |
7.4 ° C (45.3°F) |
3.5 ° C (38.3°F) |
% 58 | 5% | 3 | Sunrise:06:30 AM Sunset: 04:39 PM |
Moonrise:10:56 AM Moonset: 08:14 PM Moon Phase ( Waxing Crescent ) |
|
| 14 November 2026 Saturday | Sunny |
-0.4 ° C (31.2°F) |
9 ° C (48.2°F) |
4 ° C (39.3°F) |
% 63 | 5% | 3 | Sunrise:06:31 AM Sunset: 04:38 PM |
Moonrise:11:33 AM Moonset: 09:16 PM Moon Phase ( First Quarter ) |
|
| 15 November 2026 Sunday |  Cloudy |
0.3 ° C (32.5°F) |
10.4 ° C (50.7°F) |
5.2 ° C (41.3°F) |
% 60 | 7% | 4 | Sunrise:06:33 AM Sunset: 04:37 PM |
Moonrise:12:05 PM Moonset: 10:17 PM Moon Phase ( First Quarter ) |
|
| 16 November 2026 Monday |  Partly Cloudy |
4.8 ° C (40.7°F) |
12.5 ° C (54.5°F) |
8.5 ° C (47.2°F) |
% 69 | 39% | 4 | Sunrise:06:34 AM Sunset: 04:37 PM |
Moonrise:12:31 PM Moonset: 11:17 PM Moon Phase ( First Quarter ) |
|
| 17 November 2026 Tuesday | Sunny |
5.9 ° C (42.6°F) |
13.3 ° C (55.9°F) |
9 ° C (48.3°F) |
% 73 | 8% | 4 | Sunrise:06:35 AM Sunset: 04:36 PM |
Moonrise:12:54 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 18 November 2026 Wednesday | Sunny |
4.8 ° C (40.6°F) |
14.3 ° C (57.8°F) |
9 ° C (48.2°F) |
% 75 | 8% | 4 | Sunrise:06:36 AM Sunset: 04:35 PM |
Moonrise:01:16 PM Moonset: 12:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 19 November 2026 Thursday |  Overcast |
4.5 ° C (40.2°F) |
15.7 ° C (60.2°F) |
10.2 ° C (50.4°F) |
% 72 | 13% | 4 | Sunrise:06:37 AM Sunset: 04:35 PM |
Moonrise:01:37 PM Moonset: 01:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 20 November 2026 Friday | Patchy rain nearby |
10.3 ° C (50.5°F) |
15.9 ° C (60.6°F) |
12.9 ° C (55.1°F) |
% 74 | 32% | 4 | Sunrise:06:38 AM Sunset: 04:34 PM |
Moonrise:02:00 PM Moonset: 02:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 November 2026 Saturday | Patchy rain nearby |
8.9 ° C (48°F) |
15.6 ° C (60.1°F) |
12 ° C (53.6°F) |
% 71 | 52% | 4 | Sunrise:06:39 AM Sunset: 04:33 PM |
Moonrise:02:24 PM Moonset: 03:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 November 2026 Sunday | Patchy rain nearby |
9.2 ° C (48.5°F) |
13.7 ° C (56.7°F) |
11.3 ° C (52.3°F) |
% 77 | 79% | 3 | Sunrise:06:40 AM Sunset: 04:33 PM |
Moonrise:02:53 PM Moonset: 04:24 AM Moon Phase ( Full Moon ) |
|
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