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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
8
+18
+12
8 September, sun
+18
+12
Feels like
+14
667 mmHg
47%
5.4
m/s
W
8 September, Sunday. day, 18°; night, 12°; partly cloudy
9
+19
+11
9 September, mon
+19
+11
Feels like
+15
668 mmHg
43%
5.3
m/s
NW
9 September, Monday. day, 19°; night, 11°; clear
10
+18
+11
10 September, tue
+18
+11
Feels like
+15
669 mmHg
43%
6
m/s
W
10 September, Tuesday. day, 18°; night, 11°; clear
11
+20
+11
11 September, wed
+20
+11
Feels like
+16
668 mmHg
40%
5
m/s
W
11 September, Wednesday. day, 20°; night, 11°; clear
12
+17
+10
12 September, thu
+17
+10
Feels like
+14
666 mmHg
46%
4.6
m/s
NW
12 September, Thursday. day, 17°; night, 10°; partly cloudy
13
+16
+9
13 September, fri
+16
+9
Feels like
+13
667 mmHg
54%
4
m/s
N
13 September, Friday. day, 16°; night, 9°; partly cloudy
14
September
+23
+10
14 September, sat
+23
+10
Feels like
+14
655 mmHg
55%
4.7
m/s
SW
Climate normal
+18
+12
14 September, Saturday. day, 23°; night, 10°; overcast
15
+22
+11
15 September, sun
+22
+11
Feels like
+14
654 mmHg
56%
4.7
m/s
N
Climate normal
+18
+11
15 September, Sunday. day, 22°; night, 11°; overcast
16
+21
+12
16 September, mon
+21
+12
Feels like
+14
653 mmHg
62%
3.7
m/s
N
Climate normal
+17
+10
16 September, Monday. day, 21°; night, 12°; thunderstorm with rain
17
+17
+11
17 September, tue
+17
+11
Feels like
+13
647 mmHg
77%
3.8
m/s
NE
Climate normal
+17
+10
17 September, Tuesday. day, 17°; night, 11°; thunderstorm with rain
18
+16
+10
18 September, wed
+16
+10
Feels like
+9
649 mmHg
63%
6.8
m/s
W
Climate normal
+17
+10
18 September, Wednesday. day, 16°; night, 10°; rain
19
+18
+9
19 September, thu
+18
+9
Feels like
+11
652 mmHg
69%
3.3
m/s
SW
Climate normal
+17
+10
19 September, Thursday. day, 18°; night, 9°; mostly clear
20
+19
+10
20 September, fri
+19
+10
Feels like
+10
652 mmHg
61%
4.2
m/s
SW
Climate normal
+17
+10
20 September, Friday. day, 19°; night, 10°; light rain
21
+16
+7
21 September, sat
+16
+7
Feels like
+8
655 mmHg
64%
4.5
m/s
NW
Climate normal
+15
+10
21 September, Saturday. day, 16°; night, 7°; light rain
22
+15
+7
22 September, sun
+15
+7
Feels like
+8
662 mmHg
74%
2.8
m/s
N
Climate normal
+17
+11
22 September, Sunday. day, 15°; night, 7°; partly cloudy
23
+20
+9
23 September, mon
+20
+9
Feels like
+11
662 mmHg
66%
3.6
m/s
SW
Climate normal
+17
+11
23 September, Monday. day, 20°; night, 9°; partly cloudy
24
+24
+12
24 September, tue
+24
+12
Feels like
+14
653 mmHg
50%
4.9
m/s
SW
Climate normal
+19
+11
24 September, Tuesday. day, 24°; night, 12°; mostly clear
25
+20
+10
25 September, wed
+20
+10
Feels like
+9
653 mmHg
54%
6.6
m/s
W
Climate normal
+17
+10
25 September, Wednesday. day, 20°; night, 10°; mostly clear
26
+20
+10
26 September, thu
+20
+10
Feels like
+9
643 mmHg
62%
6.3
m/s
W
Climate normal
+16
+10
26 September, Thursday. day, 20°; night, 10°; partly cloudy
27
+20
+9
27 September, fri
+20
+9
Feels like
+16
608 mmHg
91%
2.4
m/s
SW
Climate normal
+17
+11
27 September, Friday. day, 20°; night, 9°; partly cloudy
28
+22
+10
28 September, sat
+22
+10
Feels like
+17
607 mmHg
88%
2.1
m/s
NW
Climate normal
+18
+11
28 September, Saturday. day, 22°; night, 10°; partly cloudy
29
+19
+12
29 September, sun
+19
+12
Feels like
+15
603 mmHg
83%
2.6
m/s
SW
Climate normal
+15
+9
29 September, Sunday. day, 19°; night, 12°; partly cloudy
30
+17
+9
30 September, mon
+17
+9
Feels like
+12
603 mmHg
73%
3.2
m/s
W
Climate normal
+14
+8
30 September, Monday. day, 17°; night, 9°; partly cloudy
1 October
+19
+11
1 October, tue
+19
+11
Feels like
+11
604 mmHg
61%
2.5
m/s
SW
Climate normal
+13
+8
1 October, Tuesday. day, 19°; night, 11°; clear
2
+20
+12
2 October, wed
+20
+12
Feels like
+12
601 mmHg
50%
3.7
m/s
S
Climate normal
+12
+6
2 October, Wednesday. day, 20°; night, 12°; mostly clear
3
+16
+8
3 October, thu
+16
+8
Feels like
+8
601 mmHg
49%
2.7
m/s
S
Climate normal
+9
+4
3 October, Thursday. day, 16°; night, 8°; light rain
4
+17
+10
4 October, fri
+17
+10
Feels like
+11
602 mmHg
58%
1.7
m/s
SE
Climate normal
+9
+3
4 October, Friday. day, 17°; night, 10°; partly cloudy
5
+14
+8
5 October, sat
+14
+8
Feels like
+9
598 mmHg
90%
2.4
m/s
SW
Climate normal
+11
+5
5 October, Saturday. day, 14°; night, 8°; light rain
6
+9
+6
6 October, sun
+9
+6
Feels like
+5
601 mmHg
94%
4.4
m/s
W
Climate normal
+10
+4
6 October, Sunday. day, 9°; night, 6°; light rain
7
+11
+5
7 October, mon
+11
+5
Feels like
+7
601 mmHg
91%
2.5
m/s
W
Climate normal
+10
+4
7 October, Monday. day, 11°; night, 5°; partly cloudy
8
+8
+1
8 October, tue
+8
+1
Feels like
+2
604 mmHg
81%
3.5
m/s
W
Climate normal
+9
+3
8 October, Tuesday. day, 8°; night, 1°; partly cloudy
9
+14
+6
9 October, wed
+14
+6
Feels like
+5
606 mmHg
70%
2.5
m/s
SW
Climate normal
+10
+4
9 October, Wednesday. day, 14°; night, 6°; partly cloudy
10
+9
−1
10 October, thu
+9
−1
Feels like
+2
601 mmHg
74%
5.5
m/s
SW
Climate normal
+6
−1
10 October, Thursday. day, 9°; night, -1°; light rain
11
+8
+3
11 October, fri
+8
+3
Feels like
0
602 mmHg
66%
2.2
m/s
W
Climate normal
+5
0
11 October, Friday. day, 8°; night, 3°; clear
12
+7
+1
12 October, sat
+7
+1
Feels like
+2
597 mmHg
79%
2.2
m/s
W
Climate normal
+9
+3
12 October, Saturday. day, 7°; night, 1°; sleet
Average for 30 days
9
sunny days
8
days with precipitation
13
cloudy days
9 sunny days; 8 days with precipitation; 13 cloudy days;
69
%
air humidity
3.7
m/s
Wind
SW
20
mm of precipitation
(4% of annual average)
air humidity 69%; 20 millimeters of precipitation (4% of annual average); Wind south-westerly 3.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
N
N
NE
W
SW
SW
NW
N
SW
SW
W
W
SW
NW
SW
W
SW
S
S
SE
SW
W
W
W
SW
SW
W
W
NW
14
Average data for 10 years
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
10
11
12
13
Daytime temperature
Night-time temperature
