Custer Weather Forecast 15 Days, Weather in Custer Today
Current weather conditions and 15 day weather forecast for Custer, Montana, 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 Custer
| 05 May 2026 Tuesday 1.4 ° C / 34.6°F  Sunny |
Feels Like : 0.8 ° C / 33.4°F Humidity : % 57 Pressure : 1019 mb Wind Speed : 12.6 kmph / 7.8 miles from N  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Custer, MT, USA
Weather Forecast for next 15 Days for Custer 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 Custer, Montana 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 May 2026 Tuesday | Sunny |
0.6 ° C (33.1°F) |
10.2 ° C (50.4°F) |
5.5 ° C (41.9°F) |
% 44 | 0% | 4.4 | Sunrise:05:50 AM Sunset: 08:24 PM |
Moonrise:12:04 AM Moonset: 07:48 AM Moon Phase ( Waning Gibbous ) |
|
| 06 May 2026 Wednesday | Sunny |
0.8 ° C (33.5°F) |
15.8 ° C (60.5°F) |
8.6 ° C (47.4°F) |
% 34 | 0% | 6.4 | Sunrise:05:49 AM Sunset: 08:25 PM |
Moonrise:12:53 AM Moonset: 08:45 AM Moon Phase ( Waning Gibbous ) |
|
| 07 May 2026 Thursday |  Moderate rain |
7.7 ° C (45.9°F) |
16.1 ° C (61°F) |
11.1 ° C (52.1°F) |
% 57 | 84% | 3.1 | Sunrise:05:48 AM Sunset: 08:26 PM |
Moonrise:01:33 AM Moonset: 09:49 AM Moon Phase ( Waning Gibbous ) |
|
| 08 May 2026 Friday |  Partly Cloudy |
7.4 ° C (45.3°F) |
20 ° C (68.1°F) |
14.4 ° C (57.9°F) |
% 54 | 0% | 0 | Sunrise:05:46 AM Sunset: 08:27 PM |
Moonrise:02:04 AM Moonset: 10:57 AM Moon Phase ( Waning Gibbous ) |
|
| 09 May 2026 Saturday |  Patchy rain nearby |
11.7 ° C (53.1°F) |
17.4 ° C (63.3°F) |
14.1 ° C (57.4°F) |
% 52 | 89% | 3 | Sunrise:05:45 AM Sunset: 08:29 PM |
Moonrise:02:28 AM Moonset: 12:07 PM Moon Phase ( Last Quarter ) |
|
| 10 May 2026 Sunday | Patchy rain nearby |
7.9 ° C (46.2°F) |
20.3 ° C (68.5°F) |
14.4 ° C (57.9°F) |
% 59 | 63% | 3 | Sunrise:05:44 AM Sunset: 08:30 PM |
Moonrise:02:50 AM Moonset: 01:18 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday |  Thundery outbreaks in nearby |
10.9 ° C (51.6°F) |
20.5 ° C (68.9°F) |
15.3 ° C (59.6°F) |
% 52 | 0% | 4 | Sunrise:05:42 AM Sunset: 08:31 PM |
Moonrise:03:08 AM Moonset: 02:29 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Patchy rain nearby |
10 ° C (50°F) |
19.5 ° C (67.2°F) |
13.5 ° C (56.4°F) |
% 59 | 63% | 3 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:03:26 AM Moonset: 03:44 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Moderate rain |
2.1 ° C (35.7°F) |
7.7 ° C (45.9°F) |
6.3 ° C (43.4°F) |
% 81 | 88% | 2 | Sunrise:05:40 AM Sunset: 08:34 PM |
Moonrise:03:44 AM Moonset: 05:01 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
1.8 ° C (35.3°F) |
10.3 ° C (50.6°F) |
5.6 ° C (42.1°F) |
% 69 | 81% | 2 | Sunrise:05:39 AM Sunset: 08:35 PM |
Moonrise:04:03 AM Moonset: 06:22 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
4.4 ° C (39.8°F) |
10.3 ° C (50.5°F) |
6.7 ° C (44.1°F) |
% 63 | 0% | 2 | Sunrise:05:37 AM Sunset: 08:36 PM |
Moonrise:04:27 AM Moonset: 07:49 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
2.3 ° C (36.1°F) |
16.2 ° C (61.2°F) |
9.1 ° C (48.5°F) |
% 54 | 0% | 3 | Sunrise:05:36 AM Sunset: 08:37 PM |
Moonrise:04:58 AM Moonset: 09:16 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Partly Cloudy |
7.7 ° C (45.8°F) |
18.3 ° C (65°F) |
13 ° C (55.4°F) |
% 45 | 0% | 4 | Sunrise:05:35 AM Sunset: 08:38 PM |
Moonrise:05:39 AM Moonset: 10:37 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
9 ° C (48.1°F) |
14.9 ° C (58.8°F) |
11.9 ° C (53.4°F) |
% 70 | 68% | 3 | Sunrise:05:34 AM Sunset: 08:40 PM |
Moonrise:06:34 AM Moonset: 11:46 PM Moon Phase ( Waxing Crescent ) |
|
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