20.2 °C
Feels like 18.3 °C
Min 15 °C / Max 30 °C
Overcast
Today's Summary
If you head out in Helena today, you'll see a overcast sky. 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, 09:00
25 °C
Overcast
Aug 28, 10:00
27 °C
Overcast
Aug 28, 11:00
30 °C
Overcast
Aug 28, 12:00
30 °C
Overcast
Aug 28, 13:00
26 °C
Patchy rain possible
Aug 28, 14:00
22 °C
Overcast
Aug 28, 15:00
25 °C
Patchy rain possible
Aug 28, 16:00
26 °C
Overcast
Aug 28, 17:00
23 °C
Overcast
Aug 28, 18:00
20 °C
Overcast
Aug 28, 19:00
18 °C
Overcast
Aug 28, 20:00
17 °C
Overcast
Aug 28, 21:00
17 °C
Overcast
Aug 28, 22:00
15 °C
Cloudy
Aug 28, 23:00
15 °C
Overcast
Aug 29, 00:00
15 °C
Overcast
Aug 29, 01:00
14 °C
Overcast
Aug 29, 02:00
14 °C
Overcast
Aug 29, 03:00
14 °C
Overcast
Aug 29, 04:00
14 °C
Overcast
Aug 29, 05:00
14 °C
Patchy rain possible
Aug 29, 06:00
15 °C
Light rain
Aug 29, 07:00
15 °C
Light rain shower
Aug 29, 08:00
13 °C
Light rain
Time
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
Temperature (°C)
Chance of rain (%)
9
9
9
9
10
10
11
9
9
11
11
12
12
12
15
16
16
16
17
17
23
57
42
76
Precipitation
Wind (km/h)
NE
2
2
ENE
4
4
ENE
5
5
N
7
7
NW
5
5
SE
16
16
SE
8
8
NE
4
4
ESE
2
2
SSW
16
16
SSW
13
13
S
12
12
S
10
10
SSW
9
9
S
9
9
S
8
8
SSW
8
8
S
8
8
S
7
7
SSW
6
6
S
6
6
SSW
8
8
W
11
11
WSW
9
9
Pressure (hPa)
1011
1010
1009
1009
1008
1010
1008
1008
1008
1010
1010
1010
1010
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1012
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 (°C)
Chance of rain (%)
10
76
60
1
36
4
12
62
3
4
70
83
71
6
Precipitation
Wind max (km/h)
16
12
32
13
22
21
23
25
14
11
18
14
9
12
| Date | Weather | Min °C | Max °C | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| August 28, 2026 |
Overcast
|
15 °C | 30 °C | 06:43 | 20:15 | 20:26 | 07:24 | Full Moon (98 %) |
| August 29, 2026 |
Patchy rain possible
|
11 °C | 21 °C | 06:44 | 20:13 | 20:41 | 08:30 | Waning Moon (94 %) |
| August 30, 2026 |
Light rain shower
|
10 °C | 19 °C | 06:45 | 20:11 | 20:57 | 09:37 | Waning Moon (87 %) |
| August 31, 2026 |
Sunny
|
8 °C | 26 °C | 06:47 | 20:09 | 21:15 | 10:46 | Waning Moon (80 %) |
| September 1, 2026 |
Sunny
|
11 °C | 28 °C | 06:48 | 20:08 | 21:36 | 11:57 | Waning Moon (70 %) |
| September 2, 2026 |
Sunny
|
10 °C | 27 °C | 06:49 | 20:06 | 22:03 | 13:11 | Last Quarter (60 %) |
| September 3, 2026 |
Overcast
|
11 °C | 21 °C | 06:50 | 20:04 | 22:39 | 14:27 | Last Quarter (50 %) |
| September 4, 2026 |
Patchy rain possible
|
7 °C | 16 °C | 06:52 | 20:02 | 23:28 | 15:39 | Last Quarter (39 %) |
| September 5, 2026 |
Sunny
|
4 °C | 18 °C | 06:53 | 20:00 | Does not rise today | 16:42 | Waning Crescent (29 %) |
| September 6, 2026 |
Sunny
|
4 °C | 20 °C | 06:54 | 19:58 | 00:32 | 17:34 | Waning Crescent (20 %) |
| September 7, 2026 |
Sunny
|
8 °C | 22 °C | 06:55 | 19:56 | 01:49 | 18:14 | Waning Crescent (12 %) |
| September 8, 2026 |
Partly cloudy
|
10 °C | 22 °C | 06:57 | 19:54 | 03:14 | 18:44 | Waning Crescent (6 %) |
| September 9, 2026 |
Patchy rain possible
|
-1 °C | 11 °C | 06:58 | 19:52 | 04:41 | 19:08 | New Moon (2 %) |
| September 10, 2026 |
Sunny
|
-2 °C | 16 °C | 06:59 | 19:50 | 06:07 | 19:29 | New Moon (0 %) |