Decatur Weather Forecast 15 Days, Weather in Decatur Today
Current weather conditions and 15 day weather forecast for Decatur, Indiana, 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 Decatur
| 24 December 2025 Wednesday -2.8 ° C / 27°F  Mist |
Feels Like : -6.4 ° C / 20.6°F Humidity : % 100 Pressure : 1026 mb Wind Speed : 9 kmph / 5.6 miles from NNE  Visibility : 1.2 km Precipitation (rainfall) : 0 mm Cloud (%) : 60 |
15 day weather forecast for Decatur, IN, USA
Weather Forecast for next 15 Days for Decatur 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 Decatur, Indiana 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 December 2025 Wednesday |  Patchy rain nearby |
-1.4 ° C (29.5°F) |
9.3 ° C (48.7°F) |
2.4 ° C (36.3°F) |
% 85 | 79% | 0.3 | Sunrise:08:02 AM Sunset: 05:17 PM |
Moonrise:11:10 AM Moonset: 09:54 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Fog |
-0.4 ° C (31.3°F) |
2.3 ° C (36.1°F) |
1.5 ° C (34.6°F) |
% 96 | 0% | 0.3 | Sunrise:08:02 AM Sunset: 05:18 PM |
Moonrise:11:33 AM Moonset: 11:01 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Moderate rain |
0.3 ° C (32.5°F) |
1.5 ° C (34.7°F) |
1.2 ° C (34.1°F) |
% 96 | 89% | 0 | Sunrise:08:03 AM Sunset: 05:19 PM |
Moonrise:11:55 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Partly Cloudy |
3.7 ° C (38.7°F) |
12 ° C (53.7°F) |
7.1 ° C (44.8°F) |
% 88 | 0% | 0.3 | Sunrise:08:03 AM Sunset: 05:19 PM |
Moonrise:12:17 PM Moonset: 12:09 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
-6.3 ° C (20.7°F) |
13.1 ° C (55.5°F) |
5.8 ° C (42.5°F) |
% 73 | 87% | 0 | Sunrise:08:03 AM Sunset: 05:20 PM |
Moonrise:12:40 PM Moonset: 01:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Blowing snow |
-9.6 ° C (14.8°F) |
-6.5 ° C (20.3°F) |
-7.9 ° C (17.8°F) |
% 62 | 70% | 1 | Sunrise:08:04 AM Sunset: 05:21 PM |
Moonrise:01:07 PM Moonset: 02:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Light snow |
-7.7 ° C (18.2°F) |
-3.7 ° C (25.3°F) |
-6.2 ° C (20.8°F) |
% 68 | 67% | 1 | Sunrise:08:04 AM Sunset: 05:21 PM |
Moonrise:01:41 PM Moonset: 03:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Sunny |
-6.4 ° C (20.5°F) |
3.7 ° C (38.7°F) |
-1.6 ° C (29.1°F) |
% 53 | 0% | 2 | Sunrise:08:04 AM Sunset: 05:22 PM |
Moonrise:02:23 PM Moonset: 05:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Partly Cloudy |
-8.7 ° C (16.4°F) |
1.1 ° C (34°F) |
-3.4 ° C (26°F) |
% 67 | 0% | 2 | Sunrise:08:04 AM Sunset: 05:23 PM |
Moonrise:03:18 PM Moonset: 06:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
-9.4 ° C (15.1°F) |
-5.1 ° C (22.8°F) |
-7.7 ° C (18.1°F) |
% 51 | 0% | 2 | Sunrise:08:04 AM Sunset: 05:24 PM |
Moonrise:04:24 PM Moonset: 07:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-8.6 ° C (16.6°F) |
-0.9 ° C (30.4°F) |
-5.2 ° C (22.6°F) |
% 65 | 0% | 2 | Sunrise:08:04 AM Sunset: 05:25 PM |
Moonrise:05:41 PM Moonset: 08:37 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Cloudy |
-4 ° C (24.9°F) |
0.8 ° C (33.5°F) |
-1.7 ° C (28.9°F) |
% 53 | 0% | 1 | Sunrise:08:04 AM Sunset: 05:26 PM |
Moonrise:07:00 PM Moonset: 09:23 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Partly Cloudy |
-5.5 ° C (22°F) |
0.1 ° C (32.1°F) |
-3.1 ° C (26.5°F) |
% 72 | 0% | 2 | Sunrise:08:04 AM Sunset: 05:27 PM |
Moonrise:08:16 PM Moonset: 09:58 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Partly Cloudy |
-4.8 ° C (23.4°F) |
1.8 ° C (35.3°F) |
-2.3 ° C (27.9°F) |
% 71 | 0% | 2 | Sunrise:08:04 AM Sunset: 05:28 PM |
Moonrise:09:28 PM Moonset: 10:25 AM Moon Phase ( Waning Gibbous ) |
|
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