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Monthly weather forecast in Helena
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
25
+25
+17
25 August, sun
+25
+17
Feels like
+22
666 mmHg
28%
4.5
m/s
W
25 August, Sunday. day, 25°; night, 17°; clear
26
+23
+16
26 August, mon
+23
+16
Feels like
+20
667 mmHg
30%
5
m/s
W
26 August, Monday. day, 23°; night, 16°; clear
27
+23
+17
27 August, tue
+23
+17
Feels like
+19
666 mmHg
33%
5.1
m/s
W
27 August, Tuesday. day, 23°; night, 17°; clear
28
+23
+16
28 August, wed
+23
+16
Feels like
+20
666 mmHg
40%
4.5
m/s
SW
28 August, Wednesday. day, 23°; night, 16°; rain
29
+22
+14
29 August, thu
+22
+14
Feels like
+20
665 mmHg
40%
4.9
m/s
W
29 August, Thursday. day, 22°; night, 14°; partly cloudy
30
August
+32
+11
30 August, fri
+32
+11
Feels like
+22
663 mmHg
38%
3.9
m/s
NE
Climate normal
+20
+14
30 August, Friday. day, 32°; night, 11°; clear
31
+32
+11
31 August, sat
+32
+11
Feels like
+24
664 mmHg
35%
2.2
m/s
NE
Climate normal
+20
+13
31 August, Saturday. day, 32°; night, 11°; clear
1 September
+33
+14
1 September, sun
+33
+14
Feels like
+23
661 mmHg
41%
3.3
m/s
NE
Climate normal
+21
+14
1 September, Sunday. day, 33°; night, 14°; partly cloudy
2
+32
+16
2 September, mon
+32
+16
Feels like
+23
660 mmHg
39%
3.7
m/s
SW
Climate normal
+19
+12
2 September, Monday. day, 32°; night, 16°; light rain
3
+26
+14
3 September, tue
+26
+14
Feels like
+19
658 mmHg
55%
4.6
m/s
W
Climate normal
+19
+12
3 September, Tuesday. day, 26°; night, 14°; light rain
4
+26
+12
4 September, wed
+26
+12
Feels like
+18
664 mmHg
61%
3.8
m/s
NE
Climate normal
+16
+11
4 September, Wednesday. day, 26°; night, 12°; clear
5
+28
+14
5 September, thu
+28
+14
Feels like
+19
665 mmHg
53%
2.9
m/s
NE
Climate normal
+19
+12
5 September, Thursday. day, 28°; night, 14°; clear
6
+30
+14
6 September, fri
+30
+14
Feels like
+21
661 mmHg
41%
3.1
m/s
NW
Climate normal
+18
+11
6 September, Friday. day, 30°; night, 14°; clear
7
+28
+14
7 September, sat
+28
+14
Feels like
+19
658 mmHg
42%
4
m/s
SW
Climate normal
+18
+11
7 September, Saturday. day, 28°; night, 14°; mostly clear
8
+28
+14
8 September, sun
+28
+14
Feels like
+19
656 mmHg
43%
4.5
m/s
SW
Climate normal
+18
+12
8 September, Sunday. day, 28°; night, 14°; partly cloudy
9
+28
+14
9 September, mon
+28
+14
Feels like
+18
659 mmHg
40%
3.3
m/s
NW
Climate normal
+19
+11
9 September, Monday. day, 28°; night, 14°; clear
10
+29
+14
10 September, tue
+29
+14
Feels like
+18
659 mmHg
46%
4
m/s
W
Climate normal
+18
+11
10 September, Tuesday. day, 29°; night, 14°; clear
11
+29
+13
11 September, wed
+29
+13
Feels like
+17
646 mmHg
42%
4.8
m/s
SW
Climate normal
+20
+11
11 September, Wednesday. day, 29°; night, 13°; mostly clear
12
+16
+9
12 September, thu
+16
+9
Feels like
+6
598 mmHg
35%
7
m/s
W
Climate normal
+17
+10
12 September, Thursday. day, 16°; night, 9°; partly cloudy
13
+10
+4
13 September, fri
+10
+4
Feels like
+3
598 mmHg
43%
4.3
m/s
W
Climate normal
+16
+9
13 September, Friday. day, 10°; night, 4°; partly cloudy
14
+13
+6
14 September, sat
+13
+6
Feels like
+5
601 mmHg
52%
2.8
m/s
W
Climate normal
+18
+12
14 September, Saturday. day, 13°; night, 6°; partly cloudy
15
+7
−1
15 September, sun
+7
−1
Feels like
0
603 mmHg
53%
4.3
m/s
W
Climate normal
+18
+11
15 September, Sunday. day, 7°; night, -1°; partly cloudy
16
+12
+3
16 September, mon
+12
+3
Feels like
+3
603 mmHg
47%
1.7
m/s
NW
Climate normal
+17
+10
16 September, Monday. day, 12°; night, 3°; partly cloudy
17
+12
+4
17 September, tue
+12
+4
Feels like
+3
601 mmHg
38%
4.6
m/s
NW
Climate normal
+17
+10
17 September, Tuesday. day, 12°; night, 4°; partly cloudy
18
+8
+2
18 September, wed
+8
+2
Feels like
0
605 mmHg
71%
4.7
m/s
NE
Climate normal
+17
+10
18 September, Wednesday. day, 8°; night, 2°; partly cloudy
19
+19
+3
19 September, thu
+19
+3
Feels like
+9
607 mmHg
46%
2.3
m/s
NW
Climate normal
+17
+10
19 September, Thursday. day, 19°; night, 3°; clear
20
+22
+8
20 September, fri
+22
+8
Feels like
+12
609 mmHg
42%
1.6
m/s
SW
Climate normal
+17
+10
20 September, Friday. day, 22°; night, 8°; clear
21
+23
+15
21 September, sat
+23
+15
Feels like
+14
606 mmHg
27%
3.3
m/s
SW
Climate normal
+15
+10
21 September, Saturday. day, 23°; night, 15°; clear
22
+19
+9
22 September, sun
+19
+9
Feels like
+12
603 mmHg
30%
3.5
m/s
SW
Climate normal
+17
+11
22 September, Sunday. day, 19°; night, 9°; partly cloudy
23
+12
+6
23 September, mon
+12
+6
Feels like
+5
603 mmHg
51%
4.7
m/s
W
Climate normal
+17
+11
23 September, Monday. day, 12°; night, 6°; partly cloudy
24
+14
+6
24 September, tue
+14
+6
Feels like
+5
606 mmHg
52%
2.5
m/s
W
Climate normal
+19
+11
24 September, Tuesday. day, 14°; night, 6°; clear
25
+17
+9
25 September, wed
+17
+9
Feels like
+6
600 mmHg
43%
5.3
m/s
SW
Climate normal
+17
+10
25 September, Wednesday. day, 17°; night, 9°; mostly clear
26
+6
−3
26 September, thu
+6
−3
Feels like
−2
602 mmHg
78%
5.8
m/s
N
Climate normal
+16
+10
26 September, Thursday. day, 6°; night, -3°; light rain
27
+12
+3
27 September, fri
+12
+3
Feels like
0
606 mmHg
41%
1.2
m/s
SW
Climate normal
+17
+11
27 September, Friday. day, 12°; night, 3°; clear
28
+17
+7
28 September, sat
+17
+7
Feels like
+5
603 mmHg
27%
3.6
m/s
SW
Climate normal
+18
+11
28 September, Saturday. day, 17°; night, 7°; clear
Average for 30 days
16
sunny days
3
days with precipitation
11
cloudy days
16 sunny days; 3 days with precipitation; 11 cloudy days;
45
%
air humidity
3.7
m/s
Wind
SW
1
mm of precipitation
(1% of annual average)
air humidity 45%; 1 millimeters of precipitation (1% of annual average); Wind south-westerly 3.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NE
NE
NE
SW
W
NE
NE
NW
SW
SW
NW
W
SW
W
W
W
W
NW
NW
NE
NW
SW
SW
SW
W
W
SW
N
SW
SW
30
Average data for 10 years
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Daytime temperature
Night-time temperature
