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Monthly weather forecast in Great Falls
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
+25
+18
1 September, sun
+25
+18
Feels like
+21
671 mmHg
33%
7.8
m/s
W
1 September, Sunday. day, 25°; night, 18°; partly cloudy
2
+23
+16
2 September, mon
+23
+16
Feels like
+19
673 mmHg
33%
7.1
m/s
W
2 September, Monday. day, 23°; night, 16°; partly cloudy
3
+23
+17
3 September, tue
+23
+17
Feels like
+19
673 mmHg
36%
5.8
m/s
W
3 September, Tuesday. day, 23°; night, 17°; clear
4
+20
+15
4 September, wed
+20
+15
Feels like
+17
673 mmHg
43%
5.9
m/s
NW
4 September, Wednesday. day, 20°; night, 15°; rain
5
+22
+15
5 September, thu
+22
+15
Feels like
+18
673 mmHg
38%
6.5
m/s
W
5 September, Thursday. day, 22°; night, 15°; clear
6
+21
+15
6 September, fri
+21
+15
Feels like
+17
673 mmHg
41%
5.6
m/s
W
6 September, Friday. day, 21°; night, 15°; clear
7
September
+33
+12
7 September, sat
+33
+12
Feels like
+24
676 mmHg
32%
2.5
m/s
SW
Climate normal
+22
+15
7 September, Saturday. day, 33°; night, 12°; clear
8
+33
+19
8 September, sun
+33
+19
Feels like
+24
674 mmHg
28%
3.2
m/s
W
Climate normal
+21
+15
8 September, Sunday. day, 33°; night, 19°; partly cloudy
9
+32
+13
9 September, mon
+32
+13
Feels like
+22
672 mmHg
29%
7.5
m/s
W
Climate normal
+22
+15
9 September, Monday. day, 32°; night, 13°; partly cloudy
10
+25
+15
10 September, tue
+25
+15
Feels like
+16
672 mmHg
46%
4.6
m/s
NE
Climate normal
+22
+15
10 September, Tuesday. day, 25°; night, 15°; thunderstorm
11
+24
+14
11 September, wed
+24
+14
Feels like
+16
667 mmHg
59%
5.7
m/s
N
Climate normal
+23
+15
11 September, Wednesday. day, 24°; night, 14°; light rain
12
+16
+12
12 September, thu
+16
+12
Feels like
+10
667 mmHg
79%
5.3
m/s
NW
Climate normal
+20
+13
12 September, Thursday. day, 16°; night, 12°; thunderstorm with rain
13
+17
+12
13 September, fri
+17
+12
Feels like
+9
668 mmHg
70%
6.5
m/s
SW
Climate normal
+18
+12
13 September, Friday. day, 17°; night, 12°; heavy rain
14
+22
+11
14 September, sat
+22
+11
Feels like
+13
673 mmHg
52%
7
m/s
SW
Climate normal
+22
+16
14 September, Saturday. day, 22°; night, 11°; partly cloudy
15
+22
+12
15 September, sun
+22
+12
Feels like
+14
674 mmHg
61%
3.9
m/s
W
Climate normal
+21
+15
15 September, Sunday. day, 22°; night, 12°; overcast
16
+21
+12
16 September, mon
+21
+12
Feels like
+13
673 mmHg
58%
4.7
m/s
W
Climate normal
+21
+15
16 September, Monday. day, 21°; night, 12°; light rain
17
+22
+11
17 September, tue
+22
+11
Feels like
+13
673 mmHg
49%
6.1
m/s
W
Climate normal
+20
+15
17 September, Tuesday. day, 22°; night, 11°; mostly clear
18
+19
+12
18 September, wed
+19
+12
Feels like
+13
674 mmHg
61%
3.7
m/s
W
Climate normal
+21
+14
18 September, Wednesday. day, 19°; night, 12°; mostly clear
19
+20
+5
19 September, thu
+20
+5
Feels like
+12
664 mmHg
63%
3.5
m/s
W
Climate normal
+21
+15
19 September, Thursday. day, 20°; night, 5°; mostly clear
20
+12
+4
20 September, fri
+12
+4
Feels like
+6
629 mmHg
70%
2.6
m/s
NW
Climate normal
+20
+14
20 September, Friday. day, 12°; night, 4°; light rain
21
+15
+4
21 September, sat
+15
+4
Feels like
+6
631 mmHg
57%
3.2
m/s
SW
Climate normal
+19
+14
21 September, Saturday. day, 15°; night, 4°; clear
22
+18
+9
22 September, sun
+18
+9
Feels like
+9
631 mmHg
45%
2.8
m/s
SW
Climate normal
+21
+15
22 September, Sunday. day, 18°; night, 9°; clear
23
+15
+6
23 September, mon
+15
+6
Feels like
+8
632 mmHg
57%
3.1
m/s
NE
Climate normal
+22
+16
23 September, Monday. day, 15°; night, 6°; clear
24
+19
+10
24 September, tue
+19
+10
Feels like
+10
630 mmHg
57%
2.9
m/s
SW
Climate normal
+23
+17
24 September, Tuesday. day, 19°; night, 10°; clear
25
+21
+12
25 September, wed
+21
+12
Feels like
+11
627 mmHg
49%
3.9
m/s
SW
Climate normal
+22
+15
25 September, Wednesday. day, 21°; night, 12°; clear
26
+19
+9
26 September, thu
+19
+9
Feels like
+10
626 mmHg
45%
4.8
m/s
SW
Climate normal
+19
+14
26 September, Thursday. day, 19°; night, 9°; clear
27
+17
+7
27 September, fri
+17
+7
Feels like
+11
629 mmHg
64%
2.2
m/s
NW
Climate normal
+20
+14
27 September, Friday. day, 17°; night, 7°; clear
28
+18
+7
28 September, sat
+18
+7
Feels like
+11
631 mmHg
48%
2.6
m/s
NW
Climate normal
+21
+15
28 September, Saturday. day, 18°; night, 7°; clear
29
+20
+11
29 September, sun
+20
+11
Feels like
+11
634 mmHg
41%
2.1
m/s
SW
Climate normal
+20
+14
29 September, Sunday. day, 20°; night, 11°; mostly clear
30
+21
+13
30 September, mon
+21
+13
Feels like
+13
632 mmHg
40%
3.3
m/s
S
Climate normal
+18
+12
30 September, Monday. day, 21°; night, 13°; mostly clear
1 October
+21
+12
1 October, tue
+21
+12
Feels like
+13
630 mmHg
39%
3.6
m/s
S
Climate normal
+17
+12
1 October, Tuesday. day, 21°; night, 12°; clear
2
+21
+14
2 October, wed
+21
+14
Feels like
+13
628 mmHg
39%
3
m/s
SW
Climate normal
+15
+9
2 October, Wednesday. day, 21°; night, 14°; clear
3
+20
+14
3 October, thu
+20
+14
Feels like
+13
626 mmHg
41%
3.5
m/s
SW
Climate normal
+12
+8
3 October, Thursday. day, 20°; night, 14°; mostly clear
4
+13
+5
4 October, fri
+13
+5
Feels like
+6
627 mmHg
61%
5
m/s
W
Climate normal
+13
+8
4 October, Friday. day, 13°; night, 5°; light rain
5
+15
+11
5 October, sat
+15
+11
Feels like
+5
627 mmHg
63%
5.7
m/s
S
Climate normal
+15
+10
5 October, Saturday. day, 15°; night, 11°; partly cloudy
Average for 30 days
17
sunny days
7
days with precipitation
6
cloudy days
17 sunny days; 7 days with precipitation; 6 cloudy days;
52
%
air humidity
4.1
m/s
Wind
SW
64
mm of precipitation
(15% of annual average)
air humidity 52%; 64 millimeters of precipitation (15% of annual average); Wind south-westerly 4.1 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
W
W
NE
N
NW
SW
SW
W
W
W
W
W
NW
SW
SW
NE
SW
SW
SW
NW
NW
SW
S
S
SW
SW
W
S
W
7
Average data for 10 years
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
5
6
Daytime temperature
Night-time temperature