Helena Regional Airport Weather Forecast 15 Days, Weather in HLN Today
Current weather conditions and 15 day weather forecast for Helena Regional Airport, 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 Helena Regional Airport
| 18 December 2025 Thursday -0.5 ° C / 31.2°F  Sunny |
Feels Like : -3.5 ° C / 25.7°F Humidity : % 58 Pressure : 1018 mb Wind Speed : 8.6 kmph / 5.4 miles from S  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Helena Regional Airport, MT, USA
Weather Forecast for next 15 Days for Helena Regional Airport 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 Helena Regional Airport, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday | Sunny |
-1.4 ° C (29.5°F) |
5.9 ° C (42.6°F) |
0.6 ° C (33.2°F) |
% 62 | 0% | 0.1 | Sunrise:08:08 AM Sunset: 04:42 PM |
Moonrise:07:23 AM Moonset: 03:13 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Overcast |
-5.9 ° C (21.5°F) |
4.8 ° C (40.6°F) |
1 ° C (33.9°F) |
% 78 | 0% | 0.1 | Sunrise:08:08 AM Sunset: 04:42 PM |
Moonrise:08:22 AM Moonset: 04:00 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-8 ° C (17.6°F) |
0.9 ° C (33.6°F) |
-4.3 ° C (24.2°F) |
% 60 | 0% | 0.2 | Sunrise:08:09 AM Sunset: 04:43 PM |
Moonrise:09:13 AM Moonset: 04:57 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
-6.1 ° C (20.9°F) |
2.3 ° C (36.1°F) |
-2.7 ° C (27.2°F) |
% 63 | 0% | 0.1 | Sunrise:08:09 AM Sunset: 04:43 PM |
Moonrise:09:54 AM Moonset: 06:03 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-2.4 ° C (27.8°F) |
5.1 ° C (41.2°F) |
-0.2 ° C (31.7°F) |
% 75 | 0% | 0 | Sunrise:08:10 AM Sunset: 04:44 PM |
Moonrise:10:26 AM Moonset: 07:14 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Patchy rain nearby |
0.2 ° C (32.3°F) |
4.7 ° C (40.5°F) |
1.8 ° C (35.2°F) |
% 89 | 78% | 1 | Sunrise:08:10 AM Sunset: 04:44 PM |
Moonrise:10:51 AM Moonset: 08:25 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Partly Cloudy |
-4.4 ° C (24°F) |
1.3 ° C (34.3°F) |
-0.3 ° C (31.4°F) |
% 79 | 0% | 2 | Sunrise:08:11 AM Sunset: 04:45 PM |
Moonrise:11:12 AM Moonset: 09:38 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Sunny |
-6.5 ° C (20.3°F) |
1.7 ° C (35°F) |
-3.7 ° C (25.4°F) |
% 54 | 0% | 2 | Sunrise:08:11 AM Sunset: 04:45 PM |
Moonrise:11:30 AM Moonset: 10:50 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
-8.8 ° C (16.2°F) |
-1.4 ° C (29.5°F) |
-4.8 ° C (23.4°F) |
% 61 | 0% | 2 | Sunrise:08:11 AM Sunset: 04:46 PM |
Moonrise:11:47 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-7.8 ° C (18°F) |
1.4 ° C (34.5°F) |
-3.4 ° C (25.8°F) |
% 70 | 0% | 2 | Sunrise:08:12 AM Sunset: 04:47 PM |
Moonrise:12:03 PM Moonset: 12:04 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-4.8 ° C (23.4°F) |
2.3 ° C (36.1°F) |
-2.3 ° C (27.9°F) |
% 79 | 0% | 2 | Sunrise:08:12 AM Sunset: 04:48 PM |
Moonrise:12:21 PM Moonset: 01:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-3.5 ° C (25.8°F) |
3.3 ° C (38°F) |
-1 ° C (30.2°F) |
% 80 | 0% | 2 | Sunrise:08:12 AM Sunset: 04:49 PM |
Moonrise:12:43 PM Moonset: 02:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-2.4 ° C (27.7°F) |
4.8 ° C (40.7°F) |
0 ° C (32°F) |
% 72 | 0% | 2 | Sunrise:08:12 AM Sunset: 04:49 PM |
Moonrise:01:12 PM Moonset: 04:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-2.4 ° C (27.7°F) |
4.1 ° C (39.3°F) |
0.2 ° C (32.4°F) |
% 72 | 0% | 2 | Sunrise:08:12 AM Sunset: 04:50 PM |
Moonrise:01:50 PM Moonset: 05:29 AM Moon Phase ( Waxing Gibbous ) |
|
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