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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
September
+15
+11
12 September, thu
+15
+11
Feels like
+9
649 mmHg
73%
6
m/s
W
Climate normal
+17
+10
12 September, Thursday. day, 15°; night, 11°; light rain
13
+19
+7
13 September, fri
+19
+7
Feels like
+12
655 mmHg
55%
5.1
m/s
W
Climate normal
+16
+9
13 September, Friday. day, 19°; night, 7°; light rain
14
+22
+10
14 September, sat
+22
+10
Feels like
+14
655 mmHg
54%
5.3
m/s
NE
Climate normal
+18
+12
14 September, Saturday. day, 22°; night, 10°; partly cloudy
15
+22
+12
15 September, sun
+22
+12
Feels like
+13
654 mmHg
57%
5.1
m/s
N
Climate normal
+18
+11
15 September, Sunday. day, 22°; night, 12°; overcast
16
+21
+13
16 September, mon
+21
+13
Feels like
+14
651 mmHg
68%
3.6
m/s
W
Climate normal
+17
+10
16 September, Monday. day, 21°; night, 13°; light rain
17
+15
+11
17 September, tue
+15
+11
Feels like
+12
647 mmHg
84%
4.1
m/s
W
Climate normal
+17
+10
17 September, Tuesday. day, 15°; night, 11°; rain
18
+16
+10
18 September, wed
+16
+10
Feels like
+9
646 mmHg
64%
6.1
m/s
SW
Climate normal
+17
+10
18 September, Wednesday. day, 16°; night, 10°; heavy rain
19
+15
+8
19 September, thu
+15
+8
Feels like
+10
650 mmHg
72%
3.8
m/s
SW
Climate normal
+17
+10
19 September, Thursday. day, 15°; night, 8°; rain
20
+15
+7
20 September, fri
+15
+7
Feels like
+9
654 mmHg
70%
3.5
m/s
W
Climate normal
+17
+10
20 September, Friday. day, 15°; night, 7°; mostly clear
21
+18
+8
21 September, sat
+18
+8
Feels like
+10
658 mmHg
63%
2.7
m/s
W
Climate normal
+15
+10
21 September, Saturday. day, 18°; night, 8°; overcast
22
+20
+9
22 September, sun
+20
+9
Feels like
+11
657 mmHg
60%
3
m/s
NW
Climate normal
+17
+11
22 September, Sunday. day, 20°; night, 9°; mostly clear
23
+17
+10
23 September, mon
+17
+10
Feels like
+9
654 mmHg
67%
4.3
m/s
W
Climate normal
+17
+11
23 September, Monday. day, 17°; night, 10°; partly cloudy
24
+13
+6
24 September, tue
+13
+6
Feels like
+7
653 mmHg
70%
4.4
m/s
W
Climate normal
+19
+11
24 September, Tuesday. day, 13°; night, 6°; partly cloudy
25
+16
+7
25 September, wed
+16
+7
Feels like
+9
605 mmHg
67%
1.7
m/s
SW
Climate normal
+17
+10
25 September, Wednesday. day, 16°; night, 7°; partly cloudy
26
+20
+10
26 September, thu
+20
+10
Feels like
+11
604 mmHg
52%
2.3
m/s
S
Climate normal
+16
+10
26 September, Thursday. day, 20°; night, 10°; clear
27
+17
+10
27 September, fri
+17
+10
Feels like
+10
601 mmHg
50%
3.5
m/s
S
Climate normal
+17
+11
27 September, Friday. day, 17°; night, 10°; mostly clear
28
+12
+4
28 September, sat
+12
+4
Feels like
+7
600 mmHg
82%
3.3
m/s
NW
Climate normal
+18
+11
28 September, Saturday. day, 12°; night, 4°; light rain
29
+10
+2
29 September, sun
+10
+2
Feels like
+2
602 mmHg
63%
3.9
m/s
W
Climate normal
+15
+9
29 September, Sunday. day, 10°; night, 2°; mostly clear
30
+14
+7
30 September, mon
+14
+7
Feels like
+4
606 mmHg
62%
2.8
m/s
SW
Climate normal
+14
+8
30 September, Monday. day, 14°; night, 7°; mostly clear
1 October
+18
+11
1 October, tue
+18
+11
Feels like
+8
603 mmHg
56%
5.3
m/s
SW
Climate normal
+13
+8
1 October, Tuesday. day, 18°; night, 11°; clear
2
+11
+5
2 October, wed
+11
+5
Feels like
+7
603 mmHg
76%
3.2
m/s
NW
Climate normal
+12
+6
2 October, Wednesday. day, 11°; night, 5°; rain
3
+13
+9
3 October, thu
+13
+9
Feels like
+7
601 mmHg
75%
2.8
m/s
SE
Climate normal
+9
+4
3 October, Thursday. day, 13°; night, 9°; light rain
4
+12
+3
4 October, fri
+12
+3
Feels like
+5
594 mmHg
67%
5.5
m/s
SW
Climate normal
+9
+3
4 October, Friday. day, 12°; night, 3°; light rain
5
+4
−1
5 October, sat
+4
−1
Feels like
−3
601 mmHg
65%
4.2
m/s
W
Climate normal
+11
+5
5 October, Saturday. day, 4°; night, -1°; sleet
6
+11
+6
6 October, sun
+11
+6
Feels like
+1
604 mmHg
52%
5.6
m/s
SW
Climate normal
+10
+4
6 October, Sunday. day, 11°; night, 6°; mostly clear
7
+17
+11
7 October, mon
+17
+11
Feels like
+5
605 mmHg
47%
5.6
m/s
S
Climate normal
+10
+4
7 October, Monday. day, 17°; night, 11°; mostly clear
8
+18
+10
8 October, tue
+18
+10
Feels like
+7
599 mmHg
39%
6.7
m/s
S
Climate normal
+9
+3
8 October, Tuesday. day, 18°; night, 10°; clear
9
+5
−1
9 October, wed
+5
−1
Feels like
−2
600 mmHg
74%
5.1
m/s
NW
Climate normal
+10
+4
9 October, Wednesday. day, 5°; night, -1°; rain
10
+7
+1
10 October, thu
+7
+1
Feels like
−1
608 mmHg
59%
2.5
m/s
W
Climate normal
+6
−1
10 October, Thursday. day, 7°; night, 1°; mostly clear
11
+14
+6
11 October, fri
+14
+6
Feels like
+3
608 mmHg
53%
3.9
m/s
SW
Climate normal
+5
0
11 October, Friday. day, 14°; night, 6°; clear
Average data for 10 years
Next, the average data for 10 years
12
+9
+3
12 October, sat
+9
+3
Feels like
+4
668 mmHg
57%
5.4
m/s
W
12 October, Saturday. day, 9°; night, 3°; partly cloudy
Average for 30 days
13
sunny days
11
days with precipitation
6
cloudy days
13 sunny days; 11 days with precipitation; 6 cloudy days;
63
%
air humidity
4.2
m/s
Wind
W
54
mm of precipitation
(9% of annual average)
air humidity 63%; 54 millimeters of precipitation (9% of annual average); Wind westerly 4.2 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
NE
N
W
W
SW
SW
W
W
NW
W
W
SW
S
S
NW
W
SW
SW
NW
SE
SW
W
SW
S
S
NW
W
SW
12
Average data for 10 years
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
7
8
9
10
11
Daytime temperature
Night-time temperature
