Current weather conditions and 15 day weather forecast for Simms, 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.
| 03 August 2026 Monday 20.6 ° C / 69.1°F ![]() Sunny |
Feels Like : 17.2 ° C / 63°F Humidity : % 32 Pressure : 1020 mb Wind Speed : 10.1 kmph / 6.3 miles from N ![]() 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 03 August 2026 Monday | Sunny |
9.3 ° C (48.7°F) |
20.6 ° C (69.1°F) |
14.5 ° C (58.2°F) |
% 45 | 2% | 4.4 | Sunrise:06:08 AM Sunset: 08:59 PM |
Moonrise:10:48 PM Moonset: 11:46 AM Moon Phase ( Last Quarter ) |
|
| 04 August 2026 Tuesday | Sunny |
8.8 ° C (47.8°F) |
25.7 ° C (78.2°F) |
17.3 ° C (63.1°F) |
% 30 | 1% | 5.3 | Sunrise:06:09 AM Sunset: 08:58 PM |
Moonrise:11:06 PM Moonset: 12:56 PM Moon Phase ( Last Quarter ) |
|
| 05 August 2026 Wednesday | Sunny |
12.2 ° C (53.9°F) |
31.4 ° C (88.5°F) |
21.5 ° C (70.7°F) |
% 22 | 1% | 5.9 | Sunrise:06:10 AM Sunset: 08:56 PM |
Moonrise:11:28 PM Moonset: 02:10 PM Moon Phase ( Last Quarter ) |
|
| 06 August 2026 Thursday | Sunny |
15 ° C (59°F) |
29.9 ° C (85.8°F) |
22 ° C (71.5°F) |
% 26 | 0% | 3.3 | Sunrise:06:12 AM Sunset: 08:55 PM |
Moonrise:11:57 PM Moonset: 03:27 PM Moon Phase ( Last Quarter ) |
|
| 07 August 2026 Friday | Sunny |
14.9 ° C (58.9°F) |
36.5 ° C (97.8°F) |
25 ° C (77°F) |
% 24 | 1% | 9 | Sunrise:06:13 AM Sunset: 08:53 PM |
Moonrise:Does not rise today Moonset: 04:45 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Sunny |
12.6 ° C (54.7°F) |
30.8 ° C (87.5°F) |
21.9 ° C (71.5°F) |
% 34 | 1% | 8 | Sunrise:06:14 AM Sunset: 08:51 PM |
Moonrise:12:38 AM Moonset: 05:58 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
13.1 ° C (55.6°F) |
27.3 ° C (81.2°F) |
20 ° C (68°F) |
% 44 | 1% | 7 | Sunrise:06:16 AM Sunset: 08:50 PM |
Moonrise:01:34 AM Moonset: 06:59 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
13.3 ° C (56°F) |
31.6 ° C (88.9°F) |
21.9 ° C (71.3°F) |
% 39 | 1% | 8 | Sunrise:06:17 AM Sunset: 08:48 PM |
Moonrise:02:47 AM Moonset: 07:45 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
16.7 ° C (62°F) |
38.4 ° C (101.2°F) |
27.1 ° C (80.8°F) |
% 26 | 1% | 9 | Sunrise:06:18 AM Sunset: 08:47 PM |
Moonrise:04:13 AM Moonset: 08:20 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
18.1 ° C (64.5°F) |
38.7 ° C (101.7°F) |
28.4 ° C (83.1°F) |
% 18 | 1% | 9 | Sunrise:06:20 AM Sunset: 08:45 PM |
Moonrise:05:43 AM Moonset: 08:47 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
20.7 ° C (69.3°F) |
37.5 ° C (99.5°F) |
27.1 ° C (80.8°F) |
% 29 | 1% | 9 | Sunrise:06:21 AM Sunset: 08:43 PM |
Moonrise:07:12 AM Moonset: 09:08 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
17.6 ° C (63.7°F) |
24.8 ° C (76.6°F) |
20.5 ° C (68.9°F) |
% 59 | 57% | 6 | Sunrise:06:22 AM Sunset: 08:42 PM |
Moonrise:08:37 AM Moonset: 09:27 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
14.4 ° C (57.9°F) |
31.8 ° C (89.2°F) |
22.5 ° C (72.4°F) |
% 38 | 1% | 8 | Sunrise:06:24 AM Sunset: 08:40 PM |
Moonrise:10:00 AM Moonset: 09:44 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
15.1 ° C (59.2°F) |
37 ° C (98.5°F) |
25.6 ° C (78.2°F) |
% 18 | 1% | 9 | Sunrise:06:25 AM Sunset: 08:38 PM |
Moonrise:11:21 AM Moonset: 10:03 PM Moon Phase ( Waxing Crescent ) |
|