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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
September
+30
+12
5 September, thu
+30
+12
Feels like
+23
667 mmHg
47%
2.5
m/s
E
Climate normal
+19
+12
5 September, Thursday. day, 30°; night, 12°; clear
6
+32
+12
6 September, fri
+32
+12
Feels like
+24
665 mmHg
43%
2.7
m/s
NE
Climate normal
+18
+11
6 September, Friday. day, 32°; night, 12°; clear
7
+32
+12
7 September, sat
+32
+12
Feels like
+23
662 mmHg
38%
3.1
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%
4.6
m/s
SW
Climate normal
+18
+12
8 September, Sunday. day, 32°; night, 16°; light rain
9
+30
+15
9 September, mon
+30
+15
Feels like
+22
658 mmHg
43%
4.8
m/s
SW
Climate normal
+19
+11
9 September, Monday. day, 30°; night, 15°; mostly clear
10
+28
+14
10 September, tue
+28
+14
Feels like
+18
657 mmHg
47%
3.9
m/s
W
Climate normal
+18
+11
10 September, Tuesday. day, 28°; night, 14°; light rain
11
+22
+12
11 September, wed
+22
+12
Feels like
+14
650 mmHg
63%
4.5
m/s
NW
Climate normal
+20
+11
11 September, Wednesday. day, 22°; night, 12°; light rain
12
+16
+11
12 September, thu
+16
+11
Feels like
+11
653 mmHg
79%
4.5
m/s
NW
Climate normal
+17
+10
12 September, Thursday. day, 16°; night, 11°; heavy rain
13
+20
+10
13 September, fri
+20
+10
Feels like
+13
655 mmHg
74%
3.4
m/s
W
Climate normal
+16
+9
13 September, Friday. day, 20°; night, 10°; light rain
14
+22
+10
14 September, sat
+22
+10
Feels like
+13
656 mmHg
60%
3.8
m/s
NW
Climate normal
+18
+12
14 September, Saturday. day, 22°; night, 10°; partly cloudy
15
+23
+11
15 September, sun
+23
+11
Feels like
+14
653 mmHg
53%
3.5
m/s
NW
Climate normal
+18
+11
15 September, Sunday. day, 23°; night, 11°; clear
16
+22
+11
16 September, mon
+22
+11
Feels like
+14
654 mmHg
57%
3.7
m/s
W
Climate normal
+17
+10
16 September, Monday. day, 22°; night, 11°; mostly clear
17
+23
+4
17 September, tue
+23
+4
Feels like
+13
654 mmHg
51%
4.9
m/s
W
Climate normal
+17
+10
17 September, Tuesday. day, 23°; night, 4°; mostly clear
18
+8
+1
18 September, wed
+8
+1
Feels like
0
607 mmHg
25%
4
m/s
W
Climate normal
+17
+10
18 September, Wednesday. day, 8°; night, 1°; partly cloudy
19
+9
0
19 September, thu
+9
0
Feels like
0
604 mmHg
23%
2.7
m/s
W
Climate normal
+17
+10
19 September, Thursday. day, 9°; night, 0°; clear
20
+15
+5
20 September, fri
+15
+5
Feels like
+6
602 mmHg
60%
2.2
m/s
NW
Climate normal
+17
+10
20 September, Friday. day, 15°; night, 5°; mostly clear
21
+18
+10
21 September, sat
+18
+10
Feels like
+8
602 mmHg
51%
3.5
m/s
SW
Climate normal
+15
+10
21 September, Saturday. day, 18°; night, 10°; mostly clear
22
+15
+9
22 September, sun
+15
+9
Feels like
+8
606 mmHg
47%
3.4
m/s
SW
Climate normal
+17
+11
22 September, Sunday. day, 15°; night, 9°; light rain
23
+12
+9
23 September, mon
+12
+9
Feels like
+5
610 mmHg
34%
4.6
m/s
S
Climate normal
+17
+11
23 September, Monday. day, 12°; night, 9°; light rain
24
+8
+3
24 September, tue
+8
+3
Feels like
+2
610 mmHg
41%
3.8
m/s
W
Climate normal
+19
+11
24 September, Tuesday. day, 8°; night, 3°; rain
25
+7
+2
25 September, wed
+7
+2
Feels like
−1
610 mmHg
48%
2.7
m/s
SW
Climate normal
+17
+10
25 September, Wednesday. day, 7°; night, 2°; light rain
26
+9
+1
26 September, thu
+9
+1
Feels like
0
608 mmHg
48%
3.8
m/s
NW
Climate normal
+16
+10
26 September, Thursday. day, 9°; night, 1°; mostly clear
27
+14
+4
27 September, fri
+14
+4
Feels like
+4
607 mmHg
30%
2
m/s
SW
Climate normal
+17
+11
27 September, Friday. day, 14°; night, 4°; clear
28
+19
+8
28 September, sat
+19
+8
Feels like
+11
605 mmHg
58%
2.5
m/s
S
Climate normal
+18
+11
28 September, Saturday. day, 19°; night, 8°; clear
29
+19
+8
29 September, sun
+19
+8
Feels like
+12
603 mmHg
58%
2.9
m/s
NW
Climate normal
+15
+9
29 September, Sunday. day, 19°; night, 8°; mostly clear
30
+16
+6
30 September, mon
+16
+6
Feels like
+8
605 mmHg
63%
3.7
m/s
NE
Climate normal
+14
+8
30 September, Monday. day, 16°; night, 6°; partly cloudy
1 October
+18
+9
1 October, tue
+18
+9
Feels like
+9
603 mmHg
53%
2.1
m/s
SE
Climate normal
+13
+8
1 October, Tuesday. day, 18°; night, 9°; mostly clear
2
+21
+11
2 October, wed
+21
+11
Feels like
+15
600 mmHg
90%
3.2
m/s
SW
Climate normal
+12
+6
2 October, Wednesday. day, 21°; night, 11°; clear
3
+19
+7
3 October, thu
+19
+7
Feels like
+12
605 mmHg
70%
3.6
m/s
NW
Climate normal
+9
+4
3 October, Thursday. day, 19°; night, 7°; clear
4
+21
+10
4 October, fri
+21
+10
Feels like
+12
605 mmHg
55%
2.3
m/s
NW
Climate normal
+9
+3
4 October, Friday. day, 21°; night, 10°; clear
Average data for 10 years
Next, the average data for 10 years
5
+11
+5
5 October, sat
+11
+5
Feels like
+7
666 mmHg
62%
6
m/s
W
5 October, Saturday. day, 11°; night, 5°; partly cloudy
Average for 30 days
18
sunny days
9
days with precipitation
3
cloudy days
18 sunny days; 9 days with precipitation; 3 cloudy days;
52
%
air humidity
3.4
m/s
Wind
NW
33
mm of precipitation
(6% of annual average)
air humidity 52%; 33 millimeters of precipitation (6% of annual average); Wind north-westerly 3.4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
NE
NE
SW
SW
W
NW
NW
W
NW
NW
W
W
W
W
NW
SW
SW
S
W
SW
NW
SW
S
NW
NE
SE
SW
NW
NW
5
Average data for 10 years
6
7
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
Daytime temperature
Night-time temperature
