Grissom Air Reserve Base Weather Forecast 15 Days, Weather in GUS Today
Current weather conditions and 15 day weather forecast for Grissom Air Reserve Base, 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 Grissom Air Reserve Base
| 19 September 2026 Saturday 22.1 ° C / 71.8°F  Light rain shower |
Feels Like : 24.2 ° C / 75.6°F Humidity : % 87 Pressure : 1016 mb Wind Speed : 8.3 kmph / 5.1 miles from SSW  Visibility : 10 km Precipitation (rainfall) : 1.5 mm Cloud (%) : 90 |
15 day weather forecast for Grissom Air Reserve Base, IN, USA
Weather Forecast for next 15 Days for Grissom Air Reserve Base 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 Grissom Air Reserve Base, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 September 2026 Saturday | Light rain shower |
16.3 ° C (61.3°F) |
25 ° C (77.1°F) |
20.8 ° C (69.4°F) |
% 85 | 86% | 3.3 | Sunrise:07:29 AM Sunset: 07:47 PM |
Moonrise:04:28 PM Moonset: 12:24 AM Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Light rain shower |
14.1 ° C (57.5°F) |
25.5 ° C (77.9°F) |
20.9 ° C (69.6°F) |
% 92 | 91% | 6.5 | Sunrise:07:30 AM Sunset: 07:45 PM |
Moonrise:05:05 PM Moonset: 01:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday |  Overcast |
13.3 ° C (55.9°F) |
16.6 ° C (61.9°F) |
14.6 ° C (58.3°F) |
% 87 | 73% | 3 | Sunrise:07:31 AM Sunset: 07:43 PM |
Moonrise:05:35 PM Moonset: 02:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Overcast |
11.9 ° C (53.3°F) |
17.2 ° C (63°F) |
14.6 ° C (58.3°F) |
% 82 | 23% | 4 | Sunrise:07:32 AM Sunset: 07:42 PM |
Moonrise:06:01 PM Moonset: 03:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Overcast |
12.1 ° C (53.8°F) |
15.9 ° C (60.5°F) |
14.2 ° C (57.5°F) |
% 81 | 40% | 4 | Sunrise:07:33 AM Sunset: 07:40 PM |
Moonrise:06:24 PM Moonset: 04:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday |  Patchy rain nearby |
9.7 ° C (49.5°F) |
15.7 ° C (60.3°F) |
12.9 ° C (55.1°F) |
% 82 | 31% | 4 | Sunrise:07:34 AM Sunset: 07:38 PM |
Moonrise:06:44 PM Moonset: 05:32 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
11.8 ° C (53.3°F) |
18.4 ° C (65.2°F) |
14.9 ° C (58.8°F) |
% 78 | 18% | 5 | Sunrise:07:35 AM Sunset: 07:37 PM |
Moonrise:07:04 PM Moonset: 06:33 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday |  Sunny |
10.5 ° C (50.9°F) |
19.3 ° C (66.8°F) |
14.9 ° C (58.7°F) |
% 75 | 8% | 5 | Sunrise:07:36 AM Sunset: 07:35 PM |
Moonrise:07:24 PM Moonset: 07:35 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
11.6 ° C (52.9°F) |
21.6 ° C (71°F) |
15.9 ° C (60.7°F) |
% 74 | 12% | 6 | Sunrise:07:37 AM Sunset: 07:33 PM |
Moonrise:07:46 PM Moonset: 08:39 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
13.1 ° C (55.6°F) |
22.4 ° C (72.4°F) |
17.3 ° C (63.2°F) |
% 70 | 9% | 6 | Sunrise:07:38 AM Sunset: 07:32 PM |
Moonrise:08:11 PM Moonset: 09:45 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Patchy rain nearby |
12.6 ° C (54.7°F) |
17.6 ° C (63.7°F) |
15.5 ° C (60°F) |
% 82 | 88% | 4 | Sunrise:07:39 AM Sunset: 07:30 PM |
Moonrise:08:41 PM Moonset: 10:53 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Light rain shower |
11 ° C (51.8°F) |
12.5 ° C (54.5°F) |
12.1 ° C (53.7°F) |
% 97 | 94% | 3 | Sunrise:07:40 AM Sunset: 07:28 PM |
Moonrise:09:19 PM Moonset: 12:03 PM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Patchy rain nearby |
10.9 ° C (51.7°F) |
13.9 ° C (57.1°F) |
12.4 ° C (54.4°F) |
% 94 | 77% | 3 | Sunrise:07:41 AM Sunset: 07:27 PM |
Moonrise:10:06 PM Moonset: 01:13 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Sunny |
13.7 ° C (56.6°F) |
19.2 ° C (66.6°F) |
16 ° C (60.8°F) |
% 84 | 60% | 5 | Sunrise:07:42 AM Sunset: 07:25 PM |
Moonrise:11:04 PM Moonset: 02:18 PM Moon Phase ( Last Quarter ) |
|
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