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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
+31
+13
19 August, mon
+31
+13
Feels like
+20
662 mmHg
59%
5
m/s
SW
Climate normal
+24
+16
19 August, Monday. day, 31°; night, 13°; light rain
20
August
+28
+14
20 August, tue
+28
+14
Feels like
+22
662 mmHg
54%
3.7
m/s
NW
Climate normal
+24
+16
20 August, Tuesday. day, 28°; night, 14°; thunderstorm with rain
21
+26
+12
21 August, wed
+26
+12
Feels like
+18
660 mmHg
45%
3.6
m/s
W
Climate normal
+22
+14
21 August, Wednesday. day, 26°; night, 12°; rain
22
+29
+15
22 August, thu
+29
+15
Feels like
+21
660 mmHg
43%
3.7
m/s
N
Climate normal
+21
+15
22 August, Thursday. day, 29°; night, 15°; mostly clear
23
+31
+17
23 August, fri
+31
+17
Feels like
+20
652 mmHg
43%
7.2
m/s
S
Climate normal
+22
+17
23 August, Friday. day, 31°; night, 17°; partly cloudy
24
+21
+14
24 August, sat
+21
+14
Feels like
+14
653 mmHg
47%
6.5
m/s
W
Climate normal
+23
+17
24 August, Saturday. day, 21°; night, 14°; rain
25
+18
+11
25 August, sun
+18
+11
Feels like
+10
657 mmHg
52%
5.7
m/s
W
Climate normal
+25
+17
25 August, Sunday. day, 18°; night, 11°; heavy rain
26
+25
+13
26 August, mon
+25
+13
Feels like
+16
661 mmHg
50%
3.6
m/s
NW
Climate normal
+23
+16
26 August, Monday. day, 25°; night, 13°; partly cloudy
27
+25
+12
27 August, tue
+25
+12
Feels like
+16
656 mmHg
52%
4.3
m/s
SW
Climate normal
+23
+17
27 August, Tuesday. day, 25°; night, 12°; partly cloudy
28
+25
+12
28 August, wed
+25
+12
Feels like
+16
658 mmHg
52%
4.1
m/s
W
Climate normal
+23
+16
28 August, Wednesday. day, 25°; night, 12°; mostly clear
29
+27
+14
29 August, thu
+27
+14
Feels like
+18
657 mmHg
47%
3.8
m/s
NW
Climate normal
+22
+14
29 August, Thursday. day, 27°; night, 14°; clear
30
+29
+16
30 August, fri
+29
+16
Feels like
+19
655 mmHg
43%
5.3
m/s
W
Climate normal
+20
+14
30 August, Friday. day, 29°; night, 16°; mostly clear
31
+28
+16
31 August, sat
+28
+16
Feels like
+19
656 mmHg
46%
4.8
m/s
W
Climate normal
+20
+13
31 August, Saturday. day, 28°; night, 16°; mostly clear
1 September
+25
+12
1 September, sun
+25
+12
Feels like
+18
608 mmHg
37%
3.1
m/s
NW
Climate normal
+21
+14
1 September, Sunday. day, 25°; night, 12°; mostly clear
2
+23
+13
2 September, mon
+23
+13
Feels like
+14
608 mmHg
50%
5.2
m/s
NE
Climate normal
+19
+12
2 September, Monday. day, 23°; night, 13°; clear
3
+24
+9
3 September, tue
+24
+9
Feels like
+15
609 mmHg
53%
3.9
m/s
N
Climate normal
+19
+12
3 September, Tuesday. day, 24°; night, 9°; clear
4
+24
+11
4 September, wed
+24
+11
Feels like
+13
607 mmHg
42%
4
m/s
NW
Climate normal
+16
+11
4 September, Wednesday. day, 24°; night, 11°; clear
5
+23
+8
5 September, thu
+23
+8
Feels like
+14
607 mmHg
29%
2.9
m/s
NW
Climate normal
+19
+12
5 September, Thursday. day, 23°; night, 8°; clear
6
+23
+12
6 September, fri
+23
+12
Feels like
+13
606 mmHg
30%
3.7
m/s
NW
Climate normal
+18
+11
6 September, Friday. day, 23°; night, 12°; clear
7
+24
+12
7 September, sat
+24
+12
Feels like
+15
606 mmHg
48%
3.6
m/s
NW
Climate normal
+18
+11
7 September, Saturday. day, 24°; night, 12°; clear
8
+25
+13
8 September, sun
+25
+13
Feels like
+16
606 mmHg
40%
2
m/s
E
Climate normal
+18
+12
8 September, Sunday. day, 25°; night, 13°; clear
9
+25
+16
9 September, mon
+25
+16
Feels like
+17
601 mmHg
28%
3
m/s
W
Climate normal
+19
+11
9 September, Monday. day, 25°; night, 16°; mostly clear
10
+21
+12
10 September, tue
+21
+12
Feels like
+16
603 mmHg
46%
2.2
m/s
NW
Climate normal
+18
+11
10 September, Tuesday. day, 21°; night, 12°; partly cloudy
11
+22
+10
11 September, wed
+22
+10
Feels like
+14
604 mmHg
52%
3.5
m/s
NW
Climate normal
+20
+11
11 September, Wednesday. day, 22°; night, 10°; clear
12
+23
+10
12 September, thu
+23
+10
Feels like
+14
606 mmHg
50%
2.9
m/s
N
Climate normal
+17
+10
12 September, Thursday. day, 23°; night, 10°; clear
13
+24
+9
13 September, fri
+24
+9
Feels like
+16
606 mmHg
36%
2.1
m/s
NW
Climate normal
+16
+9
13 September, Friday. day, 24°; night, 9°; clear
14
+23
+10
14 September, sat
+23
+10
Feels like
+15
603 mmHg
32%
1.8
m/s
NW
Climate normal
+18
+12
14 September, Saturday. day, 23°; night, 10°; mostly clear
15
+13
+8
15 September, sun
+13
+8
Feels like
+9
601 mmHg
70%
3.5
m/s
NW
Climate normal
+18
+11
15 September, Sunday. day, 13°; night, 8°; light rain
16
+16
+4
16 September, mon
+16
+4
Feels like
+7
603 mmHg
57%
4.1
m/s
NW
Climate normal
+17
+10
16 September, Monday. day, 16°; night, 4°; partly cloudy
17
+18
+8
17 September, tue
+18
+8
Feels like
+8
607 mmHg
50%
1.3
m/s
SE
Climate normal
+17
+10
17 September, Tuesday. day, 18°; night, 8°; clear
18
+16
+8
18 September, wed
+16
+8
Feels like
+7
603 mmHg
38%
3.3
m/s
NW
Climate normal
+17
+10
18 September, Wednesday. day, 16°; night, 8°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
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
19
sunny days
5
days with precipitation
6
cloudy days
19 sunny days; 5 days with precipitation; 6 cloudy days;
45
%
air humidity
3.7
m/s
Wind
NW
19
mm of precipitation
(4% of annual average)
air humidity 45%; 19 millimeters of precipitation (4% of annual average); Wind north-westerly 3.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NW
W
N
S
W
W
NW
SW
W
NW
W
W
NW
NE
N
NW
NW
NW
NW
E
W
NW
NW
N
NW
NW
NW
NW
SE
NW
20
Average data for 10 years
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
18
Daytime temperature
Night-time temperature