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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
25
+25
+17
25 August, sun
+25
+17
Feels like
+22
666 mmHg
28%
4.5
m/s
W
25 August, Sunday. day, 25°; night, 17°; clear
26
August
+26
+11
26 August, mon
+26
+11
Feels like
+19
664 mmHg
41%
3.1
m/s
NE
Climate normal
+23
+16
26 August, Monday. day, 26°; night, 11°; mostly clear
27
+31
+10
27 August, tue
+31
+10
Feels like
+22
661 mmHg
37%
4.9
m/s
SW
Climate normal
+23
+17
27 August, Tuesday. day, 31°; night, 10°; partly cloudy
28
+18
+10
28 August, wed
+18
+10
Feels like
+7
661 mmHg
38%
9.9
m/s
W
Climate normal
+23
+16
28 August, Wednesday. day, 18°; night, 10°; partly cloudy
29
+26
+11
29 August, thu
+26
+11
Feels like
+19
664 mmHg
38%
3.1
m/s
NW
Climate normal
+22
+14
29 August, Thursday. day, 26°; night, 11°; clear
30
+30
+13
30 August, fri
+30
+13
Feels like
+20
662 mmHg
36%
4.2
m/s
SW
Climate normal
+20
+14
30 August, Friday. day, 30°; night, 13°; clear
31
+29
+14
31 August, sat
+29
+14
Feels like
+19
664 mmHg
41%
3.3
m/s
N
Climate normal
+20
+13
31 August, Saturday. day, 29°; night, 14°; clear
1 September
+30
+15
1 September, sun
+30
+15
Feels like
+21
660 mmHg
45%
2.8
m/s
NE
Climate normal
+21
+14
1 September, Sunday. day, 30°; night, 15°; partly cloudy
2
+30
+16
2 September, mon
+30
+16
Feels like
+20
658 mmHg
43%
4.2
m/s
W
Climate normal
+19
+12
2 September, Monday. day, 30°; night, 16°; light rain
3
+28
+14
3 September, tue
+28
+14
Feels like
+19
659 mmHg
49%
4.5
m/s
W
Climate normal
+19
+12
3 September, Tuesday. day, 28°; night, 14°; mostly clear
4
+27
+14
4 September, wed
+27
+14
Feels like
+19
659 mmHg
49%
3.5
m/s
NW
Climate normal
+16
+11
4 September, Wednesday. day, 27°; night, 14°; mostly clear
5
+27
+14
5 September, thu
+27
+14
Feels like
+17
655 mmHg
38%
4.2
m/s
W
Climate normal
+19
+12
5 September, Thursday. day, 27°; night, 14°; partly cloudy
6
+26
+14
6 September, fri
+26
+14
Feels like
+16
657 mmHg
45%
5.1
m/s
W
Climate normal
+18
+11
6 September, Friday. day, 26°; night, 14°; mostly clear
7
+29
+12
7 September, sat
+29
+12
Feels like
+18
657 mmHg
42%
3.9
m/s
W
Climate normal
+18
+11
7 September, Saturday. day, 29°; night, 12°; mostly clear
8
+27
+17
8 September, sun
+27
+17
Feels like
+18
607 mmHg
35%
2.3
m/s
S
Climate normal
+18
+12
8 September, Sunday. day, 27°; night, 17°; clear
9
+27
+17
9 September, mon
+27
+17
Feels like
+20
605 mmHg
27%
2.6
m/s
S
Climate normal
+19
+11
9 September, Monday. day, 27°; night, 17°; mostly clear
10
+26
+15
10 September, tue
+26
+15
Feels like
+18
602 mmHg
21%
3.2
m/s
S
Climate normal
+18
+11
10 September, Tuesday. day, 26°; night, 15°; mostly clear
11
+23
+14
11 September, wed
+23
+14
Feels like
+14
601 mmHg
43%
4.6
m/s
W
Climate normal
+20
+11
11 September, Wednesday. day, 23°; night, 14°; clear
12
+20
+7
12 September, thu
+20
+7
Feels like
+12
602 mmHg
30%
3.9
m/s
W
Climate normal
+17
+10
12 September, Thursday. day, 20°; night, 7°; mostly clear
13
+25
+13
13 September, fri
+25
+13
Feels like
+13
606 mmHg
33%
1.6
m/s
SW
Climate normal
+16
+9
13 September, Friday. day, 25°; night, 13°; clear
14
+23
+12
14 September, sat
+23
+12
Feels like
+14
605 mmHg
34%
3.5
m/s
SW
Climate normal
+18
+12
14 September, Saturday. day, 23°; night, 12°; rain
15
+19
+9
15 September, sun
+19
+9
Feels like
+12
604 mmHg
58%
3.8
m/s
NW
Climate normal
+18
+11
15 September, Sunday. day, 19°; night, 9°; partly cloudy
16
+21
+7
16 September, mon
+21
+7
Feels like
+10
607 mmHg
40%
3.2
m/s
NW
Climate normal
+17
+10
16 September, Monday. day, 21°; night, 7°; mostly clear
17
+25
+13
17 September, tue
+25
+13
Feels like
+14
606 mmHg
31%
2.5
m/s
SW
Climate normal
+17
+10
17 September, Tuesday. day, 25°; night, 13°; clear
18
+25
+9
18 September, wed
+25
+9
Feels like
+15
605 mmHg
27%
3.1
m/s
NW
Climate normal
+17
+10
18 September, Wednesday. day, 25°; night, 9°; clear
19
+24
+16
19 September, thu
+24
+16
Feels like
+15
601 mmHg
25%
3.9
m/s
S
Climate normal
+17
+10
19 September, Thursday. day, 24°; night, 16°; mostly clear
20
+16
+6
20 September, fri
+16
+6
Feels like
+7
596 mmHg
26%
4.7
m/s
NW
Climate normal
+17
+10
20 September, Friday. day, 16°; night, 6°; partly cloudy
21
+7
+1
21 September, sat
+7
+1
Feels like
−2
602 mmHg
35%
5.1
m/s
N
Climate normal
+15
+10
21 September, Saturday. day, 7°; night, 1°; mostly clear
22
+16
+6
22 September, sun
+16
+6
Feels like
+2
605 mmHg
37%
3.2
m/s
S
Climate normal
+17
+11
22 September, Sunday. day, 16°; night, 6°; clear
23
+13
+6
23 September, mon
+13
+6
Feels like
+5
602 mmHg
30%
3.4
m/s
SW
Climate normal
+17
+11
23 September, Monday. day, 13°; night, 6°; partly cloudy
24
+15
+7
24 September, tue
+15
+7
Feels like
+7
605 mmHg
39%
1.4
m/s
W
Climate normal
+19
+11
24 September, Tuesday. day, 15°; night, 7°; mostly clear
Average data for 10 years
Next, the average data for 10 years
25
+17
+10
25 September, wed
+17
+10
Feels like
+13
667 mmHg
49%
5.8
m/s
W
25 September, Wednesday. day, 17°; night, 10°; clear
26
+16
+10
26 September, thu
+16
+10
Feels like
+13
669 mmHg
50%
4.6
m/s
W
26 September, Thursday. day, 16°; night, 10°; clear
27
+17
+11
27 September, fri
+17
+11
Feels like
+14
668 mmHg
46%
5
m/s
SW
27 September, Friday. day, 17°; night, 11°; clear
28
+18
+11
28 September, sat
+18
+11
Feels like
+14
666 mmHg
46%
4.4
m/s
SW
28 September, Saturday. day, 18°; night, 11°; clear
Average for 30 days
22
sunny days
1
day with precipitation
7
cloudy days
22 sunny days; 1 day with precipitation; 7 cloudy days;
37
%
air humidity
3.8
m/s
Wind
W
1
mm of precipitation
(1% of annual average)
air humidity 37%; 1 millimeters of precipitation (1% of annual average); Wind westerly 3.8 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NE
SW
W
NW
SW
N
NE
W
W
NW
W
W
W
S
S
S
W
W
SW
SW
NW
NW
SW
NW
S
NW
N
S
SW
W
26
Average data for 10 years
27
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Daytime temperature
Night-time temperature