Current weather conditions and 15 day weather forecast for Jefferson River 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.
| 21 August 2026 Friday 22.4 ° C / 72.3°F ![]() Overcast |
Feels Like : 19.2 ° C / 66.6°F Humidity : % 24 Pressure : 1014 mb Wind Speed : 6.8 kmph / 4.3 miles from ENE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 August 2026 Thursday | Sunny |
9.8 ° C (49.6°F) |
33.4 ° C (92.1°F) |
22 ° C (71.6°F) |
% 28 | 2% | 8.2 | Sunrise:06:36 AM Sunset: 08:29 PM |
Moonrise:04:11 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Overcast |
15.4 ° C (59.7°F) |
33 ° C (91.4°F) |
24.2 ° C (75.5°F) |
% 21 | 5% | 8 | Sunrise:06:37 AM Sunset: 08:27 PM |
Moonrise:05:10 PM Moonset: 12:11 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Overcast |
14.5 ° C (58.1°F) |
31.9 ° C (89.5°F) |
22 ° C (71.6°F) |
% 42 | 71% | 7.8 | Sunrise:06:38 AM Sunset: 08:25 PM |
Moonrise:05:59 PM Moonset: 01:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
14.3 ° C (57.7°F) |
30.6 ° C (87°F) |
20.8 ° C (69.5°F) |
% 47 | 3% | 8.1 | Sunrise:06:39 AM Sunset: 08:24 PM |
Moonrise:06:38 PM Moonset: 01:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Overcast |
14.8 ° C (58.6°F) |
29.3 ° C (84.8°F) |
21.2 ° C (70.2°F) |
% 20 | 4% | 7.7 | Sunrise:06:41 AM Sunset: 08:22 PM |
Moonrise:07:09 PM Moonset: 03:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Sunny |
15.5 ° C (59.9°F) |
28.7 ° C (83.7°F) |
21.8 ° C (71.2°F) |
% 29 | 2% | 7 | Sunrise:06:42 AM Sunset: 08:20 PM |
Moonrise:07:33 PM Moonset: 04:08 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Overcast |
16.9 ° C (62.4°F) |
26.7 ° C (80.1°F) |
20.9 ° C (69.6°F) |
% 27 | 57% | 6 | Sunrise:06:43 AM Sunset: 08:18 PM |
Moonrise:07:53 PM Moonset: 05:15 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday | Sunny |
14.8 ° C (58.7°F) |
28.8 ° C (83.8°F) |
21.2 ° C (70.2°F) |
% 18 | 0% | 7 | Sunrise:06:44 AM Sunset: 08:16 PM |
Moonrise:08:11 PM Moonset: 06:21 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Sunny |
13 ° C (55.4°F) |
28.5 ° C (83.4°F) |
20.6 ° C (69.2°F) |
% 19 | 2% | 7 | Sunrise:06:45 AM Sunset: 08:15 PM |
Moonrise:08:27 PM Moonset: 07:26 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Overcast |
13 ° C (55.3°F) |
28.7 ° C (83.6°F) |
19.8 ° C (67.7°F) |
% 29 | 4% | 6 | Sunrise:06:47 AM Sunset: 08:13 PM |
Moonrise:08:43 PM Moonset: 08:31 AM Moon Phase ( Waning Gibbous ) |
|
| 30 August 2026 Sunday | Sunny |
11.1 ° C (51.9°F) |
24.6 ° C (76.2°F) |
17.4 ° C (63.4°F) |
% 41 | 1% | 6 | Sunrise:06:48 AM Sunset: 08:11 PM |
Moonrise:08:59 PM Moonset: 09:37 AM Moon Phase ( Waning Gibbous ) |
|
| 31 August 2026 Monday | Sunny |
11.3 ° C (52.4°F) |
27.1 ° C (80.8°F) |
18.4 ° C (65.1°F) |
% 24 | 3% | 7 | Sunrise:06:49 AM Sunset: 08:09 PM |
Moonrise:09:18 PM Moonset: 10:45 AM Moon Phase ( Waning Gibbous ) |
|
| 01 September 2026 Tuesday | Overcast |
13.8 ° C (56.9°F) |
28.5 ° C (83.4°F) |
20.4 ° C (68.7°F) |
% 17 | 7% | 7 | Sunrise:06:50 AM Sunset: 08:07 PM |
Moonrise:09:40 PM Moonset: 11:55 AM Moon Phase ( Waning Gibbous ) |
|
| 02 September 2026 Wednesday | Overcast |
8.8 ° C (47.8°F) |
19.1 ° C (66.4°F) |
15.1 ° C (59.2°F) |
% 38 | 36% | 4 | Sunrise:06:52 AM Sunset: 08:05 PM |
Moonrise:10:08 PM Moonset: 01:09 PM Moon Phase ( Last Quarter ) |
|