68.4 °F
Feels like 64.9 °F
Min 59 °F / Max 86 °F
Overcast
Today's Summary
In Helena the weather today is overcast. The thermometer currently shows 20.2°C. Light clothing is enough – and remember sun protection if it's sunny. During the day temperatures will range between 15°C and 30°C.
Hourly forecast – Helena, today
Aug 28, 10:00
81 °F
Overcast
Aug 28, 11:00
85 °F
Overcast
Aug 28, 12:00
86 °F
Overcast
Aug 28, 13:00
79 °F
Patchy rain possible
Aug 28, 14:00
72 °F
Overcast
Aug 28, 15:00
77 °F
Patchy rain possible
Aug 28, 16:00
78 °F
Overcast
Aug 28, 17:00
74 °F
Overcast
Aug 28, 18:00
67 °F
Overcast
Aug 28, 19:00
65 °F
Overcast
Aug 28, 20:00
63 °F
Overcast
Aug 28, 21:00
62 °F
Overcast
Aug 28, 22:00
60 °F
Cloudy
Aug 28, 23:00
59 °F
Overcast
Aug 29, 00:00
58 °F
Overcast
Aug 29, 01:00
57 °F
Overcast
Aug 29, 02:00
57 °F
Overcast
Aug 29, 03:00
56 °F
Overcast
Aug 29, 04:00
57 °F
Overcast
Aug 29, 05:00
57 °F
Patchy rain possible
Aug 29, 06:00
59 °F
Light rain
Aug 29, 07:00
58 °F
Light rain shower
Aug 29, 08:00
55 °F
Light rain
Aug 29, 09:00
53 °F
Light rain shower
Time
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
Temperature (°F)
Chance of rain (%)
9
9
9
10
10
11
9
9
11
11
12
12
12
15
16
16
16
17
17
23
57
42
76
66
Precipitation
Wind (mph)
ENE
2
2
ENE
3
3
N
4
4
NW
3
3
SE
10
10
SE
5
5
NE
3
3
ESE
1
1
SSW
10
10
SSW
8
8
S
7
7
S
6
6
SSW
6
6
S
6
6
S
5
5
SSW
5
5
S
5
5
S
4
4
SSW
4
4
S
4
4
SSW
5
5
W
7
7
WSW
5
5
WSW
5
5
Pressure (hPa)
1010
1009
1009
1008
1010
1008
1008
1008
1010
1010
1010
1010
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1012
1013
Humidity (%)
Cloud cover (%)
14-day weather forecast – Helena
14-day trend for Helena: Forecasts suggest a marked cooldown in the second week. Lows can drop to around -2.3°C at night, with daytime highs up to 30°C.
Date
Aug 28
Aug 29
Aug 30
Aug 31
Sep 1
Sep 2
Sep 3
Sep 4
Sep 5
Sep 6
Sep 7
Sep 8
Sep 9
Sep 10
Temperature (°F)
Chance of rain (%)
10
76
60
1
36
4
12
62
3
4
70
83
71
6
Precipitation
Wind max (mph)
10
8
20
8
14
13
14
15
9
7
11
9
6
7
| Date | Weather | Min °F | Max °F | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| August 28, 2026 |
Overcast
|
59 °F | 86 °F | 06:43 | 20:15 | 20:26 | 07:24 | Full Moon (98 %) |
| August 29, 2026 |
Patchy rain possible
|
52 °F | 70 °F | 06:44 | 20:13 | 20:41 | 08:30 | Waning Moon (94 %) |
| August 30, 2026 |
Light rain shower
|
49 °F | 67 °F | 06:45 | 20:11 | 20:57 | 09:37 | Waning Moon (87 %) |
| August 31, 2026 |
Sunny
|
47 °F | 79 °F | 06:47 | 20:09 | 21:15 | 10:46 | Waning Moon (80 %) |
| September 1, 2026 |
Sunny
|
52 °F | 82 °F | 06:48 | 20:08 | 21:36 | 11:57 | Waning Moon (70 %) |
| September 2, 2026 |
Sunny
|
51 °F | 80 °F | 06:49 | 20:06 | 22:03 | 13:11 | Last Quarter (60 %) |
| September 3, 2026 |
Overcast
|
53 °F | 70 °F | 06:50 | 20:04 | 22:39 | 14:27 | Last Quarter (50 %) |
| September 4, 2026 |
Patchy rain possible
|
44 °F | 60 °F | 06:52 | 20:02 | 23:28 | 15:39 | Last Quarter (39 %) |
| September 5, 2026 |
Sunny
|
39 °F | 64 °F | 06:53 | 20:00 | Does not rise today | 16:42 | Waning Crescent (29 %) |
| September 6, 2026 |
Sunny
|
40 °F | 68 °F | 06:54 | 19:58 | 00:32 | 17:34 | Waning Crescent (20 %) |
| September 7, 2026 |
Sunny
|
47 °F | 72 °F | 06:55 | 19:56 | 01:49 | 18:14 | Waning Crescent (12 %) |
| September 8, 2026 |
Partly cloudy
|
50 °F | 72 °F | 06:57 | 19:54 | 03:14 | 18:44 | Waning Crescent (6 %) |
| September 9, 2026 |
Patchy rain possible
|
31 °F | 52 °F | 06:58 | 19:52 | 04:41 | 19:08 | New Moon (2 %) |
| September 10, 2026 |
Sunny
|
28 °F | 60 °F | 06:59 | 19:50 | 06:07 | 19:29 | New Moon (0 %) |