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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
11
+28
+21
11 August, sun
+28
+21
Feels like
+25
672 mmHg
34%
7
m/s
W
11 August, Sunday. day, 28°; night, 21°; partly cloudy
12
+27
+20
12 August, mon
+27
+20
Feels like
+25
673 mmHg
41%
6.4
m/s
W
12 August, Monday. day, 27°; night, 20°; clear
13
+27
+20
13 August, tue
+27
+20
Feels like
+25
672 mmHg
40%
5.1
m/s
W
13 August, Tuesday. day, 27°; night, 20°; clear
14
+26
+19
14 August, wed
+26
+19
Feels like
+22
672 mmHg
36%
6.5
m/s
NW
14 August, Wednesday. day, 26°; night, 19°; clear
15
+25
+19
15 August, thu
+25
+19
Feels like
+22
674 mmHg
37%
6.1
m/s
W
15 August, Thursday. day, 25°; night, 19°; clear
16
August
+27
+13
16 August, fri
+27
+13
Feels like
+21
675 mmHg
54%
4.9
m/s
E
Climate normal
+27
+22
16 August, Friday. day, 27°; night, 13°; light rain
17
+30
+14
17 August, sat
+30
+14
Feels like
+23
676 mmHg
46%
4.2
m/s
SW
Climate normal
+28
+21
17 August, Saturday. day, 30°; night, 14°; clear
18
+32
+17
18 August, sun
+32
+17
Feels like
+26
676 mmHg
44%
3.8
m/s
W
Climate normal
+27
+19
18 August, Sunday. day, 32°; night, 17°; partly cloudy
19
+32
+17
19 August, mon
+32
+17
Feels like
+23
676 mmHg
57%
4.8
m/s
SW
Climate normal
+27
+20
19 August, Monday. day, 32°; night, 17°; light rain
20
+33
+17
20 August, tue
+33
+17
Feels like
+23
678 mmHg
45%
5
m/s
SW
Climate normal
+27
+20
20 August, Tuesday. day, 33°; night, 17°; partly cloudy
21
+32
+18
21 August, wed
+32
+18
Feels like
+24
675 mmHg
46%
4.2
m/s
W
Climate normal
+26
+19
21 August, Wednesday. day, 32°; night, 18°; light rain
22
+30
+17
22 August, thu
+30
+17
Feels like
+20
677 mmHg
39%
4.8
m/s
W
Climate normal
+25
+19
22 August, Thursday. day, 30°; night, 17°; mostly clear
23
+30
+16
23 August, fri
+30
+16
Feels like
+21
677 mmHg
41%
4
m/s
SW
Climate normal
+26
+20
23 August, Friday. day, 30°; night, 16°; mostly clear
24
+32
+19
24 August, sat
+32
+19
Feels like
+21
679 mmHg
39%
5.5
m/s
W
Climate normal
+27
+21
24 August, Saturday. day, 32°; night, 19°; mostly clear
25
+28
+17
25 August, sun
+28
+17
Feels like
+18
678 mmHg
49%
7.6
m/s
SW
Climate normal
+29
+21
25 August, Sunday. day, 28°; night, 17°; clear
26
+27
+16
26 August, mon
+27
+16
Feels like
+16
675 mmHg
42%
7.9
m/s
W
Climate normal
+27
+20
26 August, Monday. day, 27°; night, 16°; mostly clear
27
+27
+17
27 August, tue
+27
+17
Feels like
+20
676 mmHg
52%
4.2
m/s
W
Climate normal
+27
+22
27 August, Tuesday. day, 27°; night, 17°; clear
28
+28
+18
28 August, wed
+28
+18
Feels like
+19
654 mmHg
41%
3.5
m/s
S
Climate normal
+27
+20
28 August, Wednesday. day, 28°; night, 18°; mostly clear
29
+26
+16
29 August, thu
+26
+16
Feels like
+18
627 mmHg
34%
3.7
m/s
SW
Climate normal
+27
+18
29 August, Thursday. day, 26°; night, 16°; partly cloudy
30
+21
+14
30 August, fri
+21
+14
Feels like
+12
627 mmHg
42%
5.4
m/s
SW
Climate normal
+24
+17
30 August, Friday. day, 21°; night, 14°; clear
31
+15
+7
31 August, sat
+15
+7
Feels like
+8
627 mmHg
51%
5.5
m/s
W
Climate normal
+25
+18
31 August, Saturday. day, 15°; night, 7°; light rain
1 September
+26
+17
1 September, sun
+26
+17
Feels like
+13
628 mmHg
37%
3.5
m/s
S
Climate normal
+25
+18
1 September, Sunday. day, 26°; night, 17°; clear
2
+20
+11
2 September, mon
+20
+11
Feels like
+12
626 mmHg
50%
5.9
m/s
NW
Climate normal
+23
+16
2 September, Monday. day, 20°; night, 11°; light rain
3
+12
+9
3 September, tue
+12
+9
Feels like
+9
633 mmHg
84%
4.6
m/s
NE
Climate normal
+23
+17
3 September, Tuesday. day, 12°; night, 9°; light rain
4
+12
+9
4 September, wed
+12
+9
Feels like
+7
635 mmHg
90%
3.3
m/s
NE
Climate normal
+20
+15
4 September, Wednesday. day, 12°; night, 9°; rain
5
+16
+10
5 September, thu
+16
+10
Feels like
+11
634 mmHg
78%
2.7
m/s
E
Climate normal
+22
+15
5 September, Thursday. day, 16°; night, 10°; light rain
6
+19
+12
6 September, fri
+19
+12
Feels like
+11
630 mmHg
67%
4.7
m/s
SW
Climate normal
+21
+15
6 September, Friday. day, 19°; night, 12°; light rain
7
+19
+10
7 September, sat
+19
+10
Feels like
+11
625 mmHg
58%
4.9
m/s
SW
Climate normal
+22
+15
7 September, Saturday. day, 19°; night, 10°; mostly clear
8
+10
+5
8 September, sun
+10
+5
Feels like
+4
628 mmHg
63%
3.7
m/s
NW
Climate normal
+21
+15
8 September, Sunday. day, 10°; night, 5°; partly cloudy
9
+11
+3
9 September, mon
+11
+3
Feels like
+4
630 mmHg
68%
3.2
m/s
N
Climate normal
+22
+15
9 September, Monday. day, 11°; night, 3°; light rain
10
+10
+5
10 September, tue
+10
+5
Feels like
+2
631 mmHg
68%
4.9
m/s
NE
Climate normal
+22
+15
10 September, Tuesday. day, 10°; night, 5°; mostly clear
11
+4
+3
11 September, wed
+4
+3
Feels like
−1
632 mmHg
93%
4.6
m/s
NE
Climate normal
+23
+15
11 September, Wednesday. day, 4°; night, 3°; light rain
12
+5
+2
12 September, thu
+5
+2
Feels like
−1
634 mmHg
91%
3
m/s
NE
Climate normal
+20
+13
12 September, Thursday. day, 5°; night, 2°; light rain
13
+11
+2
13 September, fri
+11
+2
Feels like
+5
635 mmHg
68%
2.6
m/s
E
Climate normal
+18
+12
13 September, Friday. day, 11°; night, 2°; partly cloudy
14
+14
+3
14 September, sat
+14
+3
Feels like
+4
634 mmHg
66%
3
m/s
E
Climate normal
+22
+16
14 September, Saturday. day, 14°; night, 3°; clear
Average for 30 days
13
sunny days
12
days with precipitation
5
cloudy days
13 sunny days; 12 days with precipitation; 5 cloudy days;
57
%
air humidity
4.5
m/s
Wind
SW
7
mm of precipitation
(2% of annual average)
air humidity 57%; 7 millimeters of precipitation (2% of annual average); Wind south-westerly 4.5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
SW
W
SW
SW
W
W
SW
W
SW
W
W
S
SW
SW
W
S
NW
NE
NE
E
SW
SW
NW
N
NE
NE
NE
E
E
16
Average data for 10 years
17
18
19
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
Daytime temperature
Night-time temperature