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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
1 September
+21
+14
1 September, sun
+21
+14
Feels like
+17
666 mmHg
41%
5.5
m/s
W
1 September, Sunday. day, 21°; night, 14°; clear
2
+19
+12
2 September, mon
+19
+12
Feels like
+16
667 mmHg
38%
5
m/s
NW
2 September, Monday. day, 19°; night, 12°; partly cloudy
3
+19
+12
3 September, tue
+19
+12
Feels like
+16
667 mmHg
43%
4.3
m/s
W
3 September, Tuesday. day, 19°; night, 12°; partly cloudy
4
+16
+11
4 September, wed
+16
+11
Feels like
+13
667 mmHg
49%
4.3
m/s
NW
4 September, Wednesday. day, 16°; night, 11°; rain
5
+19
+12
5 September, thu
+19
+12
Feels like
+15
667 mmHg
43%
4.5
m/s
W
5 September, Thursday. day, 19°; night, 12°; clear
6
+18
+11
6 September, fri
+18
+11
Feels like
+15
667 mmHg
46%
4.5
m/s
NW
6 September, Friday. day, 18°; night, 11°; clear
7
September
+32
+12
7 September, sat
+32
+12
Feels like
+24
662 mmHg
34%
2.9
m/s
NE
Climate normal
+18
+11
7 September, Saturday. day, 32°; night, 12°; clear
8
+32
+16
8 September, sun
+32
+16
Feels like
+21
660 mmHg
37%
4.5
m/s
NE
Climate normal
+18
+12
8 September, Sunday. day, 32°; night, 16°; light rain
9
+31
+14
9 September, mon
+31
+14
Feels like
+22
659 mmHg
36%
5.4
m/s
W
Climate normal
+19
+11
9 September, Monday. day, 31°; night, 14°; mostly clear
10
+28
+14
10 September, tue
+28
+14
Feels like
+17
655 mmHg
47%
3.7
m/s
SW
Climate normal
+18
+11
10 September, Tuesday. day, 28°; night, 14°; light rain
11
+25
+12
11 September, wed
+25
+12
Feels like
+16
649 mmHg
63%
5.2
m/s
W
Climate normal
+20
+11
11 September, Wednesday. day, 25°; night, 12°; overcast
12
+14
+10
12 September, thu
+14
+10
Feels like
+9
648 mmHg
77%
4.8
m/s
NW
Climate normal
+17
+10
12 September, Thursday. day, 14°; night, 10°; rain
13
+18
+10
13 September, fri
+18
+10
Feels like
+9
651 mmHg
60%
5.5
m/s
SW
Climate normal
+16
+9
13 September, Friday. day, 18°; night, 10°; heavy rain
14
+22
+9
14 September, sat
+22
+9
Feels like
+13
656 mmHg
55%
3.8
m/s
SW
Climate normal
+18
+12
14 September, Saturday. day, 22°; night, 9°; light rain
15
+22
+11
15 September, sun
+22
+11
Feels like
+13
654 mmHg
53%
3.8
m/s
NW
Climate normal
+18
+11
15 September, Sunday. day, 22°; night, 11°; partly cloudy
16
+18
+10
16 September, mon
+18
+10
Feels like
+11
652 mmHg
65%
4.9
m/s
W
Climate normal
+17
+10
16 September, Monday. day, 18°; night, 10°; light rain
17
+21
+9
17 September, tue
+21
+9
Feels like
+12
652 mmHg
58%
3.9
m/s
SW
Climate normal
+17
+10
17 September, Tuesday. day, 21°; night, 9°; mostly clear
18
+20
+10
18 September, wed
+20
+10
Feels like
+12
655 mmHg
58%
3.5
m/s
W
Climate normal
+17
+10
18 September, Wednesday. day, 20°; night, 10°; mostly clear
19
+12
+5
19 September, thu
+12
+5
Feels like
+6
618 mmHg
60%
3.2
m/s
NE
Climate normal
+17
+10
19 September, Thursday. day, 12°; night, 5°; light rain
20
+10
+2
20 September, fri
+10
+2
Feels like
+4
601 mmHg
74%
2.2
m/s
W
Climate normal
+17
+10
20 September, Friday. day, 10°; night, 2°; light rain
21
+14
+2
21 September, sat
+14
+2
Feels like
+5
604 mmHg
55%
2.4
m/s
SW
Climate normal
+15
+10
21 September, Saturday. day, 14°; night, 2°; clear
22
+17
+7
22 September, sun
+17
+7
Feels like
+8
604 mmHg
39%
2.4
m/s
SW
Climate normal
+17
+11
22 September, Sunday. day, 17°; night, 7°; clear
23
+16
+3
23 September, mon
+16
+3
Feels like
+7
605 mmHg
49%
2.7
m/s
NW
Climate normal
+17
+11
23 September, Monday. day, 16°; night, 3°; clear
24
+18
+9
24 September, tue
+18
+9
Feels like
+9
604 mmHg
49%
2.8
m/s
SW
Climate normal
+19
+11
24 September, Tuesday. day, 18°; night, 9°; clear
25
+20
+10
25 September, wed
+20
+10
Feels like
+10
601 mmHg
46%
3.9
m/s
SW
Climate normal
+17
+10
25 September, Wednesday. day, 20°; night, 10°; clear
26
+18
+8
26 September, thu
+18
+8
Feels like
+9
599 mmHg
40%
3.8
m/s
NW
Climate normal
+16
+10
26 September, Thursday. day, 18°; night, 8°; clear
27
+16
+5
27 September, fri
+16
+5
Feels like
+7
602 mmHg
59%
3.4
m/s
NW
Climate normal
+17
+11
27 September, Friday. day, 16°; night, 5°; clear
28
+17
+4
28 September, sat
+17
+4
Feels like
+9
604 mmHg
45%
2.1
m/s
NW
Climate normal
+18
+11
28 September, Saturday. day, 17°; night, 4°; clear
29
+18
+9
29 September, sun
+18
+9
Feels like
+10
607 mmHg
36%
2.2
m/s
S
Climate normal
+15
+9
29 September, Sunday. day, 18°; night, 9°; clear
30
+20
+10
30 September, mon
+20
+10
Feels like
+10
605 mmHg
33%
3.6
m/s
S
Climate normal
+14
+8
30 September, Monday. day, 20°; night, 10°; mostly clear
1 October
+20
+11
1 October, tue
+20
+11
Feels like
+11
603 mmHg
35%
3.5
m/s
S
Climate normal
+13
+8
1 October, Tuesday. day, 20°; night, 11°; clear
2
+19
+12
2 October, wed
+19
+12
Feels like
+11
601 mmHg
37%
3.1
m/s
S
Climate normal
+12
+6
2 October, Wednesday. day, 19°; night, 12°; mostly clear
3
+18
+12
3 October, thu
+18
+12
Feels like
+11
600 mmHg
38%
2.8
m/s
SW
Climate normal
+9
+4
3 October, Thursday. day, 18°; night, 12°; mostly clear
4
+9
+4
4 October, fri
+9
+4
Feels like
+3
600 mmHg
73%
4.7
m/s
W
Climate normal
+9
+3
4 October, Friday. day, 9°; night, 4°; light rain
5
+12
+9
5 October, sat
+12
+9
Feels like
+2
601 mmHg
67%
6.7
m/s
S
Climate normal
+11
+5
5 October, Saturday. day, 12°; night, 9°; light rain
Average for 30 days
18
sunny days
10
days with precipitation
2
cloudy days
18 sunny days; 10 days with precipitation; 2 cloudy days;
51
%
air humidity
3.7
m/s
Wind
SW
40
mm of precipitation
(7% of annual average)
air humidity 51%; 40 millimeters of precipitation (7% of annual average); Wind south-westerly 3.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NE
NE
W
SW
W
NW
SW
SW
NW
W
SW
W
NE
W
SW
SW
NW
SW
SW
NW
NW
NW
S
S
S
S
SW
W
S
W
7
Average data for 10 years
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
Daytime temperature
Night-time temperature