Current weather conditions and 15 day weather forecast for Lewistown Municipal 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.
| 14 May 2026 Thursday 6.7 ° C / 44.1°F ![]() Clear |
Feels Like : 2.5 ° C / 36.5°F Humidity : % 62 Pressure : 1003 mb Wind Speed : 27 kmph / 16.8 miles from WSW ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 May 2026 Thursday | Sunny |
5.6 ° C (42.1°F) |
16.4 ° C (61.5°F) |
10.5 ° C (50.8°F) |
% 47 | 0% | 7.3 | Sunrise:05:44 AM Sunset: 08:46 PM |
Moonrise:04:10 AM Moonset: 06:33 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
4.3 ° C (39.8°F) |
13.9 ° C (57.1°F) |
10.1 ° C (50.1°F) |
% 36 | 0% | 0 | Sunrise:05:42 AM Sunset: 08:47 PM |
Moonrise:04:33 AM Moonset: 08:00 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Moderate rain |
2.9 ° C (37.2°F) |
15.7 ° C (60.2°F) |
8.9 ° C (48°F) |
% 52 | 75% | 2 | Sunrise:05:41 AM Sunset: 08:48 PM |
Moonrise:05:02 AM Moonset: 09:28 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
-0.2 ° C (31.7°F) |
3.6 ° C (38.5°F) |
3.1 ° C (37.6°F) |
% 81 | 89% | 1 | Sunrise:05:40 AM Sunset: 08:49 PM |
Moonrise:05:43 AM Moonset: 10:50 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
-2.7 ° C (27.1°F) |
10.8 ° C (51.4°F) |
2.9 ° C (37.2°F) |
% 68 | 72% | 1 | Sunrise:05:39 AM Sunset: 08:51 PM |
Moonrise:06:37 AM Moonset: 11:59 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
1.6 ° C (34.9°F) |
14 ° C (57.1°F) |
8.1 ° C (46.6°F) |
% 55 | 88% | 2 | Sunrise:05:38 AM Sunset: 08:52 PM |
Moonrise:07:48 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
3.7 ° C (38.6°F) |
11.4 ° C (52.5°F) |
6 ° C (42.8°F) |
% 77 | 82% | 2 | Sunrise:05:37 AM Sunset: 08:53 PM |
Moonrise:09:08 AM Moonset: 12:50 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
3.1 ° C (37.5°F) |
20.8 ° C (69.5°F) |
12.1 ° C (53.7°F) |
% 48 | 0% | 4 | Sunrise:05:36 AM Sunset: 08:54 PM |
Moonrise:10:31 AM Moonset: 01:28 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Sunny |
5.8 ° C (42.5°F) |
16.8 ° C (62.3°F) |
11.3 ° C (52.4°F) |
% 56 | 0% | 4 | Sunrise:05:35 AM Sunset: 08:55 PM |
Moonrise:11:52 AM Moonset: 01:55 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
5.8 ° C (42.5°F) |
9.2 ° C (48.6°F) |
8.1 ° C (46.6°F) |
% 83 | 88% | 2 | Sunrise:05:34 AM Sunset: 08:57 PM |
Moonrise:01:08 PM Moonset: 02:15 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
2.3 ° C (36.1°F) |
8.6 ° C (47.4°F) |
4.8 ° C (40.6°F) |
% 84 | 87% | 1 | Sunrise:05:33 AM Sunset: 08:58 PM |
Moonrise:02:20 PM Moonset: 02:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
0.9 ° C (33.6°F) |
17.9 ° C (64.3°F) |
8.9 ° C (48°F) |
% 61 | 0% | 3 | Sunrise:05:32 AM Sunset: 08:59 PM |
Moonrise:03:30 PM Moonset: 02:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Sunny |
6.2 ° C (43.1°F) |
24.1 ° C (75.3°F) |
15 ° C (59°F) |
% 47 | 0% | 4 | Sunrise:05:31 AM Sunset: 09:00 PM |
Moonrise:04:39 PM Moonset: 03:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Sunny |
11.9 ° C (53.5°F) |
29.4 ° C (84.9°F) |
18.6 ° C (65.5°F) |
% 44 | 0% | 5 | Sunrise:05:30 AM Sunset: 09:01 PM |
Moonrise:05:48 PM Moonset: 03:21 AM Moon Phase ( Waxing Gibbous ) |
|