Westby Weather Forecast 15 Days, Weather in Westby Today
Current weather conditions and 15 day weather forecast for Westby, 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 Westby
| 26 March 2026 Thursday -2.8 ° C / 27°F  Partly cloudy |
Feels Like : -6.8 ° C / 19.8°F Humidity : % 50 Pressure : 1027 mb Wind Speed : 10.4 kmph / 6.5 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0.14 mm Cloud (%) : 75 |
15 day weather forecast for Westby, MT, USA
Weather Forecast for next 15 Days for Westby 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 Westby, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 26 March 2026 Thursday |  Patchy moderate snow |
-11.8 ° C (10.8°F) |
-2.3 ° C (27.9°F) |
-7.2 ° C (19.1°F) |
% 63 | 86% | 0.8 | Sunrise:06:47 AM Sunset: 07:19 PM |
Moonrise:11:45 AM Moonset: 04:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday | Partly Cloudy |
-11 ° C (12.2°F) |
6.3 ° C (43.3°F) |
-2.6 ° C (27.3°F) |
% 53 | 0% | 0.9 | Sunrise:06:44 AM Sunset: 07:21 PM |
Moonrise:01:07 PM Moonset: 04:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday |  Overcast |
-2.6 ° C (27.3°F) |
12.9 ° C (55.2°F) |
4.8 ° C (40.7°F) |
% 66 | 0% | 0.8 | Sunrise:06:42 AM Sunset: 07:22 PM |
Moonrise:02:28 PM Moonset: 05:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Cloudy |
-3 ° C (26.6°F) |
4 ° C (39.2°F) |
0.9 ° C (33.7°F) |
% 64 | 0% | 0.9 | Sunrise:06:40 AM Sunset: 07:24 PM |
Moonrise:03:48 PM Moonset: 05:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday |  Patchy rain nearby |
-0.7 ° C (30.7°F) |
18 ° C (64.3°F) |
7 ° C (44.7°F) |
% 65 | 82% | 1 | Sunrise:06:38 AM Sunset: 07:25 PM |
Moonrise:05:04 PM Moonset: 05:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Sunny |
0.6 ° C (33.2°F) |
7.8 ° C (46°F) |
6.5 ° C (43.7°F) |
% 65 | 0% | 0 | Sunrise:06:36 AM Sunset: 07:27 PM |
Moonrise:06:17 PM Moonset: 05:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Partly Cloudy |
-4 ° C (24.9°F) |
3.5 ° C (38.2°F) |
-0.6 ° C (30.8°F) |
% 51 | 0% | 2 | Sunrise:06:34 AM Sunset: 07:28 PM |
Moonrise:07:30 PM Moonset: 06:12 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Light freezing rain |
-4.1 ° C (24.6°F) |
3.8 ° C (38.9°F) |
-1.3 ° C (29.7°F) |
% 65 | 87% | 1 | Sunrise:06:32 AM Sunset: 07:30 PM |
Moonrise:08:41 PM Moonset: 06:26 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday |  Blowing snow |
-3 ° C (26.6°F) |
2.1 ° C (35.7°F) |
-0.2 ° C (31.7°F) |
% 79 | 65% | 1 | Sunrise:06:30 AM Sunset: 07:31 PM |
Moonrise:09:54 PM Moonset: 06:42 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Sunny |
-3.7 ° C (25.4°F) |
2.6 ° C (36.7°F) |
-1.3 ° C (29.7°F) |
% 56 | 0% | 2 | Sunrise:06:28 AM Sunset: 07:33 PM |
Moonrise:11:06 PM Moonset: 07:00 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Partly Cloudy |
-5.7 ° C (21.7°F) |
4.9 ° C (40.7°F) |
-0.5 ° C (31.1°F) |
% 56 | 0% | 2 | Sunrise:06:26 AM Sunset: 07:34 PM |
Moonrise:No moonrise Moonset: 07:24 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Patchy rain nearby |
0.4 ° C (32.7°F) |
5.1 ° C (41.2°F) |
2.8 ° C (37°F) |
% 64 | 83% | 1 | Sunrise:06:23 AM Sunset: 07:36 PM |
Moonrise:12:15 AM Moonset: 07:54 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday |  Blizzard |
-5.1 ° C (22.8°F) |
-2.9 ° C (26.9°F) |
-2.7 ° C (27.2°F) |
% 79 | 84% | 1 | Sunrise:06:21 AM Sunset: 07:37 PM |
Moonrise:01:20 AM Moonset: 08:33 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Partly Cloudy |
-7.7 ° C (18.2°F) |
5.8 ° C (42.4°F) |
-1.6 ° C (29°F) |
% 60 | 0% | 2 | Sunrise:06:19 AM Sunset: 07:39 PM |
Moonrise:02:15 AM Moonset: 09:25 AM Moon Phase ( Waning Gibbous ) |
|
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