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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
8
September
+34
+18
8 September, sun
+34
+18
Feels like
+24
674 mmHg
28%
2.8
m/s
W
Climate normal
+21
+15
8 September, Sunday. day, 34°; night, 18°; partly cloudy
9
+31
+13
9 September, mon
+31
+13
Feels like
+20
672 mmHg
29%
7.7
m/s
W
Climate normal
+22
+15
9 September, Monday. day, 31°; night, 13°; partly cloudy
10
+25
+14
10 September, tue
+25
+14
Feels like
+16
672 mmHg
41%
5.1
m/s
NW
Climate normal
+22
+15
10 September, Tuesday. day, 25°; night, 14°; partly cloudy
11
+24
+14
11 September, wed
+24
+14
Feels like
+15
668 mmHg
56%
6
m/s
NE
Climate normal
+23
+15
11 September, Wednesday. day, 24°; night, 14°; light rain
12
+18
+13
12 September, thu
+18
+13
Feels like
+12
667 mmHg
74%
4.1
m/s
NW
Climate normal
+20
+13
12 September, Thursday. day, 18°; night, 13°; thunderstorm with rain
13
+18
+13
13 September, fri
+18
+13
Feels like
+10
667 mmHg
65%
7.2
m/s
SW
Climate normal
+18
+12
13 September, Friday. day, 18°; night, 13°; heavy rain
14
+22
+11
14 September, sat
+22
+11
Feels like
+13
673 mmHg
52%
6.4
m/s
SW
Climate normal
+22
+16
14 September, Saturday. day, 22°; night, 11°; light rain
15
+22
+12
15 September, sun
+22
+12
Feels like
+14
675 mmHg
61%
3.9
m/s
SW
Climate normal
+21
+15
15 September, Sunday. day, 22°; night, 12°; partly cloudy
16
+23
+13
16 September, mon
+23
+13
Feels like
+15
674 mmHg
55%
4.3
m/s
W
Climate normal
+21
+15
16 September, Monday. day, 23°; night, 13°; partly cloudy
17
+23
+12
17 September, tue
+23
+12
Feels like
+15
674 mmHg
50%
5.6
m/s
W
Climate normal
+20
+15
17 September, Tuesday. day, 23°; night, 12°; mostly clear
18
+22
+12
18 September, wed
+22
+12
Feels like
+14
675 mmHg
55%
4.2
m/s
NW
Climate normal
+21
+14
18 September, Wednesday. day, 22°; night, 12°; mostly clear
19
+21
+12
19 September, thu
+21
+12
Feels like
+14
676 mmHg
59%
4.1
m/s
NW
Climate normal
+21
+15
19 September, Thursday. day, 21°; night, 12°; mostly clear
20
+18
+9
20 September, fri
+18
+9
Feels like
+9
633 mmHg
64%
3.8
m/s
E
Climate normal
+20
+14
20 September, Friday. day, 18°; night, 9°; clear
21
+15
+10
21 September, sat
+15
+10
Feels like
+11
631 mmHg
73%
2.6
m/s
SE
Climate normal
+19
+14
21 September, Saturday. day, 15°; night, 10°; light rain
22
+20
+12
22 September, sun
+20
+12
Feels like
+12
629 mmHg
54%
3.2
m/s
SW
Climate normal
+21
+15
22 September, Sunday. day, 20°; night, 12°; clear
23
+17
+12
23 September, mon
+17
+12
Feels like
+11
625 mmHg
63%
3.3
m/s
NE
Climate normal
+22
+16
23 September, Monday. day, 17°; night, 12°; light rain
24
+12
+9
24 September, tue
+12
+9
Feels like
+6
629 mmHg
86%
6.5
m/s
N
Climate normal
+23
+17
24 September, Tuesday. day, 12°; night, 9°; light rain
25
+16
+10
25 September, wed
+16
+10
Feels like
+8
628 mmHg
66%
4.7
m/s
SW
Climate normal
+22
+15
25 September, Wednesday. day, 16°; night, 10°; partly cloudy
26
+11
+5
26 September, thu
+11
+5
Feels like
+4
626 mmHg
60%
8.2
m/s
W
Climate normal
+19
+14
26 September, Thursday. day, 11°; night, 5°; partly cloudy
27
+19
+15
27 September, fri
+19
+15
Feels like
+7
628 mmHg
59%
5.2
m/s
SW
Climate normal
+20
+14
27 September, Friday. day, 19°; night, 15°; mostly clear
28
+14
+6
28 September, sat
+14
+6
Feels like
+9
628 mmHg
64%
4.6
m/s
W
Climate normal
+21
+15
28 September, Saturday. day, 14°; night, 6°; light rain
29
+15
+7
29 September, sun
+15
+7
Feels like
+6
633 mmHg
63%
4.2
m/s
E
Climate normal
+20
+14
29 September, Sunday. day, 15°; night, 7°; clear
30
+19
+10
30 September, mon
+19
+10
Feels like
+11
631 mmHg
61%
3.5
m/s
E
Climate normal
+18
+12
30 September, Monday. day, 19°; night, 10°; mostly clear
1 October
+14
+10
1 October, tue
+14
+10
Feels like
+9
629 mmHg
86%
3.9
m/s
NW
Climate normal
+17
+12
1 October, Tuesday. day, 14°; night, 10°; rain
2
+14
+8
2 October, wed
+14
+8
Feels like
+10
636 mmHg
80%
2
m/s
NW
Climate normal
+15
+9
2 October, Wednesday. day, 14°; night, 8°; partly cloudy
3
+16
+8
3 October, thu
+16
+8
Feels like
+8
636 mmHg
72%
2.6
m/s
E
Climate normal
+12
+8
3 October, Thursday. day, 16°; night, 8°; mostly clear
4
+18
+10
4 October, fri
+18
+10
Feels like
+10
633 mmHg
61%
3.3
m/s
SW
Climate normal
+13
+8
4 October, Friday. day, 18°; night, 10°; clear
5
+18
+8
5 October, sat
+18
+8
Feels like
+9
633 mmHg
53%
4.1
m/s
SW
Climate normal
+15
+10
5 October, Saturday. day, 18°; night, 8°; clear
6
+17
+9
6 October, sun
+17
+9
Feels like
+10
634 mmHg
54%
2.6
m/s
SW
Climate normal
+13
+8
6 October, Sunday. day, 17°; night, 9°; clear
7
+16
+9
7 October, mon
+16
+9
Feels like
+8
632 mmHg
57%
3.7
m/s
W
Climate normal
+14
+8
7 October, Monday. day, 16°; night, 9°; clear
Average data for 10 years
Next, the average data for 10 years
8
+13
+8
8 October, tue
+13
+8
Feels like
+7
674 mmHg
51%
7.3
m/s
SW
8 October, Tuesday. day, 13°; night, 8°; partly cloudy
9
+14
+8
9 October, wed
+14
+8
Feels like
+9
671 mmHg
43%
7.3
m/s
SW
9 October, Wednesday. day, 14°; night, 8°; clear
10
+9
+4
10 October, thu
+9
+4
Feels like
+2
671 mmHg
49%
8.3
m/s
W
10 October, Thursday. day, 9°; night, 4°; partly cloudy
11
+8
+5
11 October, fri
+8
+5
Feels like
+2
674 mmHg
51%
7.1
m/s
SW
11 October, Friday. day, 8°; night, 5°; partly cloudy
12
+12
+7
12 October, sat
+12
+7
Feels like
+6
673 mmHg
49%
7
m/s
SW
12 October, Saturday. day, 12°; night, 7°; partly cloudy
Average for 30 days
13
sunny days
9
days with precipitation
8
cloudy days
13 sunny days; 9 days with precipitation; 8 cloudy days;
60
%
air humidity
4.4
m/s
Wind
SW
37
mm of precipitation
(9% of annual average)
air humidity 60%; 37 millimeters of precipitation (9% of annual average); Wind south-westerly 4.4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
NW
NE
NW
SW
SW
SW
W
W
NW
NW
E
SE
SW
NE
N
SW
W
SW
W
E
E
NW
NW
E
SW
SW
SW
W
8
Average data for 10 years
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
7
Daytime temperature
Night-time temperature
