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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
18
+24
+15
18 August, sun
+24
+15
Feels like
+21
665 mmHg
37%
5.5
m/s
W
18 August, Sunday. day, 24°; night, 15°; clear
19
August
+31
+13
19 August, mon
+31
+13
Feels like
+22
663 mmHg
53%
4.4
m/s
SW
Climate normal
+24
+16
19 August, Monday. day, 31°; night, 13°; light rain
20
+29
+14
20 August, tue
+29
+14
Feels like
+22
662 mmHg
52%
4.4
m/s
NE
Climate normal
+24
+16
20 August, Tuesday. day, 29°; night, 14°; light rain
21
+26
+12
21 August, wed
+26
+12
Feels like
+19
660 mmHg
42%
4.7
m/s
W
Climate normal
+22
+14
21 August, Wednesday. day, 26°; night, 12°; thunderstorm with rain
22
+27
+14
22 August, thu
+27
+14
Feels like
+20
656 mmHg
48%
3.8
m/s
NE
Climate normal
+21
+15
22 August, Thursday. day, 27°; night, 14°; mostly clear
23
+31
+15
23 August, fri
+31
+15
Feels like
+19
652 mmHg
47%
8.1
m/s
SW
Climate normal
+22
+17
23 August, Friday. day, 31°; night, 15°; partly cloudy
24
+22
+14
24 August, sat
+22
+14
Feels like
+13
652 mmHg
49%
7.9
m/s
W
Climate normal
+23
+17
24 August, Saturday. day, 22°; night, 14°; light rain
25
+22
+13
25 August, sun
+22
+13
Feels like
+14
658 mmHg
56%
5.9
m/s
W
Climate normal
+25
+17
25 August, Sunday. day, 22°; night, 13°; light rain
26
+25
+15
26 August, mon
+25
+15
Feels like
+17
660 mmHg
54%
5
m/s
W
Climate normal
+23
+16
26 August, Monday. day, 25°; night, 15°; light rain
27
+25
+13
27 August, tue
+25
+13
Feels like
+16
659 mmHg
48%
5.7
m/s
NW
Climate normal
+23
+17
27 August, Tuesday. day, 25°; night, 13°; rain
28
+23
+13
28 August, wed
+23
+13
Feels like
+15
658 mmHg
47%
4.2
m/s
NW
Climate normal
+23
+16
28 August, Wednesday. day, 23°; night, 13°; light rain
29
+27
+13
29 August, thu
+27
+13
Feels like
+16
656 mmHg
45%
5
m/s
W
Climate normal
+22
+14
29 August, Thursday. day, 27°; night, 13°; clear
30
+28
+15
30 August, fri
+28
+15
Feels like
+18
656 mmHg
40%
5
m/s
W
Climate normal
+20
+14
30 August, Friday. day, 28°; night, 15°; clear
31
+26
+14
31 August, sat
+26
+14
Feels like
+18
608 mmHg
41%
1.6
m/s
NW
Climate normal
+20
+13
31 August, Saturday. day, 26°; night, 14°; mostly clear
1 September
+25
+14
1 September, sun
+25
+14
Feels like
+17
609 mmHg
39%
1.5
m/s
NE
Climate normal
+21
+14
1 September, Sunday. day, 25°; night, 14°; mostly clear
2
+27
+14
2 September, mon
+27
+14
Feels like
+19
608 mmHg
37%
1.7
m/s
E
Climate normal
+19
+12
2 September, Monday. day, 27°; night, 14°; partly cloudy
3
+25
+14
3 September, tue
+25
+14
Feels like
+17
607 mmHg
41%
1.6
m/s
E
Climate normal
+19
+12
3 September, Tuesday. day, 25°; night, 14°; mostly clear
4
+26
+14
4 September, wed
+26
+14
Feels like
+18
605 mmHg
38%
1.6
m/s
E
Climate normal
+16
+11
4 September, Wednesday. day, 26°; night, 14°; partly cloudy
5
+24
+11
5 September, thu
+24
+11
Feels like
+16
604 mmHg
43%
2.6
m/s
W
Climate normal
+19
+12
5 September, Thursday. day, 24°; night, 11°; partly cloudy
6
+20
+11
6 September, fri
+20
+11
Feels like
+13
605 mmHg
60%
4.4
m/s
NW
Climate normal
+18
+11
6 September, Friday. day, 20°; night, 11°; partly cloudy
7
+22
+7
7 September, sat
+22
+7
Feels like
+13
607 mmHg
52%
2.5
m/s
N
Climate normal
+18
+11
7 September, Saturday. day, 22°; night, 7°; clear
8
+19
+6
8 September, sun
+19
+6
Feels like
+7
606 mmHg
47%
8
m/s
NE
Climate normal
+18
+12
8 September, Sunday. day, 19°; night, 6°; clear
9
+15
+2
9 September, mon
+15
+2
Feels like
+6
607 mmHg
44%
3.2
m/s
NE
Climate normal
+19
+11
9 September, Monday. day, 15°; night, 2°; mostly clear
10
+22
+10
10 September, tue
+22
+10
Feels like
+10
604 mmHg
22%
2.6
m/s
NW
Climate normal
+18
+11
10 September, Tuesday. day, 22°; night, 10°; clear
11
+23
+5
11 September, wed
+23
+5
Feels like
+12
603 mmHg
28%
2.9
m/s
SW
Climate normal
+20
+11
11 September, Wednesday. day, 23°; night, 5°; clear
12
+22
+8
12 September, thu
+22
+8
Feels like
+12
603 mmHg
35%
3.4
m/s
NW
Climate normal
+17
+10
12 September, Thursday. day, 22°; night, 8°; clear
13
+21
+9
13 September, fri
+21
+9
Feels like
+9
603 mmHg
43%
4.3
m/s
NW
Climate normal
+16
+9
13 September, Friday. day, 21°; night, 9°; clear
14
+16
+5
14 September, sat
+16
+5
Feels like
+7
603 mmHg
37%
4
m/s
NW
Climate normal
+18
+12
14 September, Saturday. day, 16°; night, 5°; mostly clear
15
+20
+11
15 September, sun
+20
+11
Feels like
+10
604 mmHg
40%
3.4
m/s
NW
Climate normal
+18
+11
15 September, Sunday. day, 20°; night, 11°; clear
16
+23
+13
16 September, mon
+23
+13
Feels like
+12
604 mmHg
35%
4.2
m/s
NW
Climate normal
+17
+10
16 September, Monday. day, 23°; night, 13°; mostly clear
17
+24
+13
17 September, tue
+24
+13
Feels like
+14
605 mmHg
31%
3.4
m/s
NW
Climate normal
+17
+10
17 September, Tuesday. day, 24°; night, 13°; clear
Average data for 10 years
Next, the average data for 10 years
18
+17
+10
18 September, wed
+17
+10
Feels like
+13
665 mmHg
47%
6.4
m/s
W
18 September, Wednesday. day, 17°; night, 10°; partly cloudy
19
+17
+10
19 September, thu
+17
+10
Feels like
+13
666 mmHg
49%
5.5
m/s
W
19 September, Thursday. day, 17°; night, 10°; clear
20
+17
+10
20 September, fri
+17
+10
Feels like
+13
666 mmHg
43%
4.8
m/s
W
20 September, Friday. day, 17°; night, 10°; partly cloudy
21
+15
+10
21 September, sat
+15
+10
Feels like
+11
666 mmHg
58%
4.6
m/s
W
21 September, Saturday. day, 15°; night, 10°; overcast
Average for 30 days
17
sunny days
8
days with precipitation
5
cloudy days
17 sunny days; 8 days with precipitation; 5 cloudy days;
43
%
air humidity
4
m/s
Wind
NW
12
mm of precipitation
(3% of annual average)
air humidity 43%; 12 millimeters of precipitation (3% of annual average); Wind north-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
NE
W
NE
SW
W
W
W
NW
NW
W
W
NW
NE
E
E
E
W
NW
N
NE
NE
NW
SW
NW
NW
NW
NW
NW
NW
19
Average data for 10 years
20
21
22
23
24
25
26
27
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Daytime temperature
Night-time temperature