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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
September
+28
+12
5 September, thu
+28
+12
Feels like
+21
681 mmHg
45%
3.4
m/s
NE
Climate normal
+22
+15
5 September, Thursday. day, 28°; night, 12°; clear
6
+31
+12
6 September, fri
+31
+12
Feels like
+23
680 mmHg
38%
2.7
m/s
NE
Climate normal
+21
+15
6 September, Friday. day, 31°; night, 12°; clear
7
+33
+12
7 September, sat
+33
+12
Feels like
+24
677 mmHg
33%
2.9
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
+22
674 mmHg
31%
4.1
m/s
W
Climate normal
+21
+15
8 September, Sunday. day, 33°; night, 19°; partly cloudy
9
+31
+15
9 September, mon
+31
+15
Feels like
+21
674 mmHg
36%
6.2
m/s
W
Climate normal
+22
+15
9 September, Monday. day, 31°; night, 15°; partly cloudy
10
+26
+15
10 September, tue
+26
+15
Feels like
+17
674 mmHg
46%
4.2
m/s
NE
Climate normal
+22
+15
10 September, Tuesday. day, 26°; night, 15°; overcast
11
+22
+12
11 September, wed
+22
+12
Feels like
+14
668 mmHg
61%
6.1
m/s
W
Climate normal
+23
+15
11 September, Wednesday. day, 22°; night, 12°; light rain
12
+17
+11
12 September, thu
+17
+11
Feels like
+10
672 mmHg
75%
5.5
m/s
NW
Climate normal
+20
+13
12 September, Thursday. day, 17°; night, 11°; heavy rain
13
+20
+11
13 September, fri
+20
+11
Feels like
+13
674 mmHg
72%
4.7
m/s
W
Climate normal
+18
+12
13 September, Friday. day, 20°; night, 11°; light rain
14
+22
+11
14 September, sat
+22
+11
Feels like
+14
674 mmHg
61%
4.1
m/s
SW
Climate normal
+22
+16
14 September, Saturday. day, 22°; night, 11°; partly cloudy
15
+23
+12
15 September, sun
+23
+12
Feels like
+13
674 mmHg
55%
4.3
m/s
W
Climate normal
+21
+15
15 September, Sunday. day, 23°; night, 12°; mostly clear
16
+20
+12
16 September, mon
+20
+12
Feels like
+13
675 mmHg
63%
3.6
m/s
W
Climate normal
+21
+15
16 September, Monday. day, 20°; night, 12°; mostly clear
17
+23
+13
17 September, tue
+23
+13
Feels like
+14
675 mmHg
50%
5.4
m/s
W
Climate normal
+20
+15
17 September, Tuesday. day, 23°; night, 13°; mostly clear
18
+28
+16
18 September, wed
+28
+16
Feels like
+17
633 mmHg
27%
5.1
m/s
W
Climate normal
+21
+14
18 September, Wednesday. day, 28°; night, 16°; partly cloudy
19
+28
+20
19 September, thu
+28
+20
Feels like
+19
630 mmHg
22%
3.4
m/s
W
Climate normal
+21
+15
19 September, Thursday. day, 28°; night, 20°; clear
20
+17
+9
20 September, fri
+17
+9
Feels like
+13
628 mmHg
47%
2.6
m/s
NW
Climate normal
+20
+14
20 September, Friday. day, 17°; night, 9°; mostly clear
21
+16
+9
21 September, sat
+16
+9
Feels like
+9
628 mmHg
49%
3.3
m/s
SW
Climate normal
+19
+14
21 September, Saturday. day, 16°; night, 9°; mostly clear
22
+16
+5
22 September, sun
+16
+5
Feels like
+7
634 mmHg
49%
4.5
m/s
SW
Climate normal
+21
+15
22 September, Sunday. day, 16°; night, 5°; partly cloudy
23
+18
+7
23 September, mon
+18
+7
Feels like
+7
638 mmHg
42%
4.7
m/s
SW
Climate normal
+22
+16
23 September, Monday. day, 18°; night, 7°; partly cloudy
24
+18
+7
24 September, tue
+18
+7
Feels like
+9
638 mmHg
43%
3.7
m/s
NW
Climate normal
+23
+17
24 September, Tuesday. day, 18°; night, 7°; partly cloudy
25
+18
+5
25 September, wed
+18
+5
Feels like
+11
638 mmHg
56%
1.7
m/s
SW
Climate normal
+22
+15
25 September, Wednesday. day, 18°; night, 5°; partly cloudy
26
+18
+7
26 September, thu
+18
+7
Feels like
+7
636 mmHg
48%
4.4
m/s
W
Climate normal
+19
+14
26 September, Thursday. day, 18°; night, 7°; mostly clear
27
+18
+8
27 September, fri
+18
+8
Feels like
+10
634 mmHg
33%
2.4
m/s
NW
Climate normal
+20
+14
27 September, Friday. day, 18°; night, 8°; clear
28
+13
+6
28 September, sat
+13
+6
Feels like
+6
634 mmHg
66%
2.3
m/s
E
Climate normal
+21
+15
28 September, Saturday. day, 13°; night, 6°; clear
29
+12
+6
29 September, sun
+12
+6
Feels like
+5
631 mmHg
51%
3.2
m/s
SW
Climate normal
+20
+14
29 September, Sunday. day, 12°; night, 6°; clear
30
+8
+4
30 September, mon
+8
+4
Feels like
+3
633 mmHg
77%
3.4
m/s
NE
Climate normal
+18
+12
30 September, Monday. day, 8°; night, 4°; partly cloudy
1 October
+16
+10
1 October, tue
+16
+10
Feels like
+8
631 mmHg
67%
3
m/s
SE
Climate normal
+17
+12
1 October, Tuesday. day, 16°; night, 10°; mostly clear
2
+8
+1
2 October, wed
+8
+1
Feels like
+3
628 mmHg
94%
3
m/s
SW
Climate normal
+15
+9
2 October, Wednesday. day, 8°; night, 1°; rain
3
+7
+1
3 October, thu
+7
+1
Feels like
+1
634 mmHg
75%
3.1
m/s
NW
Climate normal
+12
+8
3 October, Thursday. day, 7°; night, 1°; clear
4
+12
+6
4 October, fri
+12
+6
Feels like
+3
632 mmHg
62%
2.4
m/s
S
Climate normal
+13
+8
4 October, Friday. day, 12°; night, 6°; clear
Average data for 10 years
Next, the average data for 10 years
5
+15
+10
5 October, sat
+15
+10
Feels like
+9
671 mmHg
54%
8.3
m/s
SW
5 October, Saturday. day, 15°; night, 10°; partly cloudy
Average for 30 days
17
sunny days
3
days with precipitation
10
cloudy days
17 sunny days; 3 days with precipitation; 10 cloudy days;
52
%
air humidity
3.8
m/s
Wind
W
16
mm of precipitation
(4% of annual average)
air humidity 52%; 16 millimeters of precipitation (4% of annual average); Wind westerly 3.8 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NE
NE
SW
W
W
NE
W
NW
W
SW
W
W
W
W
W
NW
SW
SW
SW
NW
SW
W
NW
E
SW
NE
SE
SW
NW
S
5
Average data for 10 years
6
7
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
Daytime temperature
Night-time temperature
