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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
September
+30
+12
9 September, mon
+30
+12
Feels like
+20
659 mmHg
37%
6
m/s
W
Climate normal
+19
+11
9 September, Monday. day, 30°; night, 12°; mostly clear
10
+27
+12
10 September, tue
+27
+12
Feels like
+18
657 mmHg
41%
3.3
m/s
SW
Climate normal
+18
+11
10 September, Tuesday. day, 27°; night, 12°; light rain
11
+26
+13
11 September, wed
+26
+13
Feels like
+15
649 mmHg
53%
6.6
m/s
W
Climate normal
+20
+11
11 September, Wednesday. day, 26°; night, 13°; thunderstorm
12
+14
+11
12 September, thu
+14
+11
Feels like
+9
649 mmHg
77%
5.5
m/s
W
Climate normal
+17
+10
12 September, Thursday. day, 14°; night, 11°; rain
13
+17
+9
13 September, fri
+17
+9
Feels like
+10
652 mmHg
62%
5
m/s
SW
Climate normal
+16
+9
13 September, Friday. day, 17°; night, 9°; rain
14
+22
+11
14 September, sat
+22
+11
Feels like
+13
654 mmHg
57%
3.6
m/s
SW
Climate normal
+18
+12
14 September, Saturday. day, 22°; night, 11°; overcast
15
+24
+11
15 September, sun
+24
+11
Feels like
+16
653 mmHg
55%
3
m/s
SW
Climate normal
+18
+11
15 September, Sunday. day, 24°; night, 11°; partly cloudy
16
+22
+12
16 September, mon
+22
+12
Feels like
+14
652 mmHg
63%
3.8
m/s
W
Climate normal
+17
+10
16 September, Monday. day, 22°; night, 12°; partly cloudy
17
+19
+11
17 September, tue
+19
+11
Feels like
+12
650 mmHg
68%
4.5
m/s
SW
Climate normal
+17
+10
17 September, Tuesday. day, 19°; night, 11°; heavy rain
18
+17
+9
18 September, wed
+17
+9
Feels like
+10
650 mmHg
61%
4.8
m/s
W
Climate normal
+17
+10
18 September, Wednesday. day, 17°; night, 9°; rain
19
+15
+6
19 September, thu
+15
+6
Feels like
+8
651 mmHg
60%
4.6
m/s
W
Climate normal
+17
+10
19 September, Thursday. day, 15°; night, 6°; partly cloudy
20
+17
+7
20 September, fri
+17
+7
Feels like
+7
653 mmHg
55%
4.4
m/s
W
Climate normal
+17
+10
20 September, Friday. day, 17°; night, 7°; mostly clear
21
+9
+2
21 September, sat
+9
+2
Feels like
+1
610 mmHg
71%
3.9
m/s
NE
Climate normal
+15
+10
21 September, Saturday. day, 9°; night, 2°; partly cloudy
22
+12
+3
22 September, sun
+12
+3
Feels like
+2
612 mmHg
62%
3.9
m/s
NE
Climate normal
+17
+11
22 September, Sunday. day, 12°; night, 3°; clear
23
+14
+3
23 September, mon
+14
+3
Feels like
+4
610 mmHg
56%
2.7
m/s
NE
Climate normal
+17
+11
23 September, Monday. day, 14°; night, 3°; rain
24
+17
+5
24 September, tue
+17
+5
Feels like
+10
606 mmHg
48%
Calm m/s
Climate normal
+19
+11
24 September, Tuesday. day, 17°; night, 5°; rain
25
+18
+6
25 September, wed
+18
+6
Feels like
+11
604 mmHg
48%
Calm m/s
Climate normal
+17
+10
25 September, Wednesday. day, 18°; night, 6°; clear
26
+19
+7
26 September, thu
+19
+7
Feels like
+11
604 mmHg
45%
2.6
m/s
NW
Climate normal
+16
+10
26 September, Thursday. day, 19°; night, 7°; clear
27
+17
+6
27 September, fri
+17
+6
Feels like
+9
606 mmHg
49%
3.2
m/s
N
Climate normal
+17
+11
27 September, Friday. day, 17°; night, 6°; clear
28
+17
+7
28 September, sat
+17
+7
Feels like
+8
608 mmHg
55%
3
m/s
E
Climate normal
+18
+11
28 September, Saturday. day, 17°; night, 7°; clear
29
+17
+6
29 September, sun
+17
+6
Feels like
+9
608 mmHg
58%
2.5
m/s
E
Climate normal
+15
+9
29 September, Sunday. day, 17°; night, 6°; clear
30
+19
+5
30 September, mon
+19
+5
Feels like
+13
607 mmHg
45%
Calm m/s
Climate normal
+14
+8
30 September, Monday. day, 19°; night, 5°; clear
1 October
+19
+7
1 October, tue
+19
+7
Feels like
+11
606 mmHg
47%
2.5
m/s
N
Climate normal
+13
+8
1 October, Tuesday. day, 19°; night, 7°; rain
2
+16
+5
2 October, wed
+16
+5
Feels like
+8
607 mmHg
54%
2.6
m/s
NE
Climate normal
+12
+6
2 October, Wednesday. day, 16°; night, 5°; clear
3
+18
+10
3 October, thu
+18
+10
Feels like
+10
608 mmHg
46%
2.3
m/s
E
Climate normal
+9
+4
3 October, Thursday. day, 18°; night, 10°; clear
4
+20
+9
4 October, fri
+20
+9
Feels like
+13
606 mmHg
39%
2.5
m/s
SW
Climate normal
+9
+3
4 October, Friday. day, 20°; night, 9°; clear
5
+18
+7
5 October, sat
+18
+7
Feels like
+11
604 mmHg
46%
1.4
m/s
NW
Climate normal
+11
+5
5 October, Saturday. day, 18°; night, 7°; mostly clear
6
+18
+10
6 October, sun
+18
+10
Feels like
+11
605 mmHg
54%
1.1
m/s
W
Climate normal
+10
+4
6 October, Sunday. day, 18°; night, 10°; mostly clear
7
+17
+11
7 October, mon
+17
+11
Feels like
+10
605 mmHg
63%
3.1
m/s
SW
Climate normal
+10
+4
7 October, Monday. day, 17°; night, 11°; clear
8
+16
+9
8 October, tue
+16
+9
Feels like
+11
601 mmHg
56%
3.1
m/s
S
Climate normal
+9
+3
8 October, Tuesday. day, 16°; night, 9°; mostly clear
Average data for 10 years
Next, the average data for 10 years
9
+10
+4
9 October, wed
+10
+4
Feels like
+6
666 mmHg
55%
5
m/s
W
9 October, Wednesday. day, 10°; night, 4°; clear
10
+6
−1
10 October, thu
+6
−1
Feels like
0
665 mmHg
62%
6.5
m/s
W
10 October, Thursday. day, 6°; night, -1°; clear
11
+5
0
11 October, fri
+5
0
Feels like
+1
669 mmHg
61%
5
m/s
W
11 October, Friday. day, 5°; night, 0°; partly cloudy
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
19
sunny days
5
days with precipitation
6
cloudy days
19 sunny days; 5 days with precipitation; 6 cloudy days;
54
%
air humidity
3.2
m/s
Wind
W
38
mm of precipitation
(7% of annual average)
air humidity 54%; 38 millimeters of precipitation (7% of annual average); Wind westerly 3.2 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
SW
W
W
SW
SW
SW
W
SW
W
W
W
NE
NE
NE
NW
N
E
E
N
NE
E
SW
NW
W
SW
S
9
Average data for 10 years
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
7
8
Daytime temperature
Night-time temperature
