Geyser Weather Forecast 15 Days, Weather in Geyser Today
Current weather conditions and 15 day weather forecast for Geyser, 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 Geyser
| 21 March 2026 Saturday 10.8 ° C / 51.5°F  Clear |
Feels Like : 8.8 ° C / 47.9°F Humidity : % 49 Pressure : 1009 mb Wind Speed : 10.4 kmph / 6.5 miles from W  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Geyser, MT, USA
Weather Forecast for next 15 Days for Geyser 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 Geyser, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 21 March 2026 Saturday |  Moderate rain |
1.7 ° C (35.1°F) |
13.2 ° C (55.8°F) |
8.9 ° C (47.9°F) |
% 63 | 88% | 0.3 | Sunrise:07:23 AM Sunset: 07:36 PM |
Moonrise:08:11 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|
| 22 March 2026 Sunday | Sunny |
-1.1 ° C (30°F) |
9.1 ° C (48.4°F) |
3.6 ° C (38.4°F) |
% 53 | 0% | 1 | Sunrise:07:21 AM Sunset: 07:38 PM |
Moonrise:08:39 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 March 2026 Monday |  Overcast |
0.9 ° C (33.6°F) |
13.4 ° C (56.1°F) |
6.5 ° C (43.8°F) |
% 39 | 0% | 1 | Sunrise:07:19 AM Sunset: 07:39 PM |
Moonrise:09:15 AM Moonset: 01:02 AM Moon Phase ( Waxing Crescent ) |
|
| 24 March 2026 Tuesday |  Patchy rain nearby |
4.4 ° C (40°F) |
17 ° C (62.6°F) |
10 ° C (50°F) |
% 44 | 87% | 1.1 | Sunrise:07:17 AM Sunset: 07:41 PM |
Moonrise:10:03 AM Moonset: 02:21 AM Moon Phase ( Waxing Crescent ) |
|
| 25 March 2026 Wednesday | Patchy rain nearby |
0.4 ° C (32.8°F) |
12.3 ° C (54.2°F) |
8.1 ° C (46.5°F) |
% 55 | 82% | 0 | Sunrise:07:15 AM Sunset: 07:42 PM |
Moonrise:11:06 AM Moonset: 03:29 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday | Sunny |
-5.7 ° C (21.7°F) |
3.2 ° C (37.7°F) |
-1.4 ° C (29.5°F) |
% 50 | 0% | 2 | Sunrise:07:12 AM Sunset: 07:43 PM |
Moonrise:12:20 PM Moonset: 04:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday | Sunny |
-3.1 ° C (26.4°F) |
14 ° C (57.1°F) |
4.5 ° C (40.2°F) |
% 37 | 0% | 2 | Sunrise:07:10 AM Sunset: 07:45 PM |
Moonrise:01:40 PM Moonset: 04:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Patchy rain nearby |
0.8 ° C (33.4°F) |
5.7 ° C (42.2°F) |
3.5 ° C (38.4°F) |
% 62 | 67% | 1 | Sunrise:07:08 AM Sunset: 07:46 PM |
Moonrise:03:00 PM Moonset: 05:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Light snow |
-1.9 ° C (28.6°F) |
2.7 ° C (36.9°F) |
-0.2 ° C (31.7°F) |
% 76 | 79% | 1 | Sunrise:07:06 AM Sunset: 07:48 PM |
Moonrise:04:17 PM Moonset: 05:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday |  Moderate or heavy snow showers |
-2.6 ° C (27.3°F) |
2 ° C (35.6°F) |
-0.6 ° C (31°F) |
% 71 | 77% | 1 | Sunrise:07:04 AM Sunset: 07:49 PM |
Moonrise:05:31 PM Moonset: 06:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Patchy rain nearby |
-3.4 ° C (26°F) |
7.5 ° C (45.5°F) |
1.8 ° C (35.3°F) |
% 68 | 85% | 1 | Sunrise:07:02 AM Sunset: 07:50 PM |
Moonrise:06:43 PM Moonset: 06:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
-0.1 ° C (31.9°F) |
7.4 ° C (45.2°F) |
2.7 ° C (36.9°F) |
% 80 | 89% | 1 | Sunrise:07:00 AM Sunset: 07:52 PM |
Moonrise:07:54 PM Moonset: 06:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Heavy snow |
-2 ° C (28.3°F) |
0 ° C (32°F) |
-0.2 ° C (31.6°F) |
% 95 | 86% | 1 | Sunrise:06:58 AM Sunset: 07:53 PM |
Moonrise:09:04 PM Moonset: 06:54 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday |  Patchy moderate snow |
-6.2 ° C (20.8°F) |
0.2 ° C (32.3°F) |
-2.3 ° C (27.9°F) |
% 86 | 64% | 1 | Sunrise:06:56 AM Sunset: 07:54 PM |
Moonrise:10:14 PM Moonset: 07:11 AM Moon Phase ( Waning Gibbous ) |
|
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