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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
+21
+15
8 September, sun
+21
+15
Feels like
+17
672 mmHg
41%
6.8
m/s
W
8 September, Sunday. day, 21°; night, 15°; partly cloudy
9
+22
+15
9 September, mon
+22
+15
Feels like
+18
674 mmHg
38%
6.6
m/s
W
9 September, Monday. day, 22°; night, 15°; clear
10
+22
+15
10 September, tue
+22
+15
Feels like
+17
675 mmHg
38%
7.6
m/s
W
10 September, Tuesday. day, 22°; night, 15°; clear
11
+23
+15
11 September, wed
+23
+15
Feels like
+19
673 mmHg
36%
6.9
m/s
SW
11 September, Wednesday. day, 23°; night, 15°; clear
12
September
+14
+10
12 September, thu
+14
+10
Feels like
+9
664 mmHg
84%
6.5
m/s
W
Climate normal
+20
+13
12 September, Thursday. day, 14°; night, 10°; thunderstorm with rain
13
+20
+11
13 September, fri
+20
+11
Feels like
+12
670 mmHg
64%
5.9
m/s
SW
Climate normal
+18
+12
13 September, Friday. day, 20°; night, 11°; light rain
14
+23
+12
14 September, sat
+23
+12
Feels like
+11
670 mmHg
47%
8.3
m/s
SW
Climate normal
+22
+16
14 September, Saturday. day, 23°; night, 12°; partly cloudy
15
+21
+12
15 September, sun
+21
+12
Feels like
+13
673 mmHg
57%
5.1
m/s
NE
Climate normal
+21
+15
15 September, Sunday. day, 21°; night, 12°; overcast
16
+20
+13
16 September, mon
+20
+13
Feels like
+14
672 mmHg
63%
3.1
m/s
NW
Climate normal
+21
+15
16 September, Monday. day, 20°; night, 13°; light rain
17
+18
+13
17 September, tue
+18
+13
Feels like
+11
667 mmHg
71%
5.8
m/s
NW
Climate normal
+20
+15
17 September, Tuesday. day, 18°; night, 13°; light rain
18
+15
+11
18 September, wed
+15
+11
Feels like
+9
666 mmHg
78%
7
m/s
W
Climate normal
+21
+14
18 September, Wednesday. day, 15°; night, 11°; heavy rain
19
+20
+11
19 September, thu
+20
+11
Feels like
+11
672 mmHg
65%
4.8
m/s
W
Climate normal
+21
+15
19 September, Thursday. day, 20°; night, 11°; mostly clear
20
+19
+10
20 September, fri
+19
+10
Feels like
+11
673 mmHg
64%
4.7
m/s
NW
Climate normal
+20
+14
20 September, Friday. day, 19°; night, 10°; light rain
21
+19
+11
21 September, sat
+19
+11
Feels like
+8
672 mmHg
53%
8.9
m/s
W
Climate normal
+19
+14
21 September, Saturday. day, 19°; night, 11°; partly cloudy
22
+15
+8
22 September, sun
+15
+8
Feels like
+7
672 mmHg
57%
4.6
m/s
W
Climate normal
+21
+15
22 September, Sunday. day, 15°; night, 8°; partly cloudy
23
+16
+11
23 September, mon
+16
+11
Feels like
+9
673 mmHg
58%
3.5
m/s
W
Climate normal
+22
+16
23 September, Monday. day, 16°; night, 11°; mostly clear
24
+13
+6
24 September, tue
+13
+6
Feels like
+5
627 mmHg
59%
5.5
m/s
SW
Climate normal
+23
+17
24 September, Tuesday. day, 13°; night, 6°; partly cloudy
25
+16
+9
25 September, wed
+16
+9
Feels like
+9
626 mmHg
63%
2.9
m/s
S
Climate normal
+22
+15
25 September, Wednesday. day, 16°; night, 9°; mostly clear
26
+8
+4
26 September, thu
+8
+4
Feels like
+3
625 mmHg
73%
3.5
m/s
NW
Climate normal
+19
+14
26 September, Thursday. day, 8°; night, 4°; partly cloudy
27
+9
+3
27 September, fri
+9
+3
Feels like
+2
629 mmHg
62%
2.2
m/s
SW
Climate normal
+20
+14
27 September, Friday. day, 9°; night, 3°; mostly clear
28
+15
+5
28 September, sat
+15
+5
Feels like
+5
632 mmHg
52%
4.5
m/s
W
Climate normal
+21
+15
28 September, Saturday. day, 15°; night, 5°; mostly clear
29
+19
+10
29 September, sun
+19
+10
Feels like
+12
635 mmHg
60%
2.2
m/s
SW
Climate normal
+20
+14
29 September, Sunday. day, 19°; night, 10°; clear
30
+21
+13
30 September, mon
+21
+13
Feels like
+13
631 mmHg
52%
3.6
m/s
S
Climate normal
+18
+12
30 September, Monday. day, 21°; night, 13°; clear
1 October
+11
+1
1 October, tue
+11
+1
Feels like
+2
627 mmHg
60%
5.4
m/s
W
Climate normal
+17
+12
1 October, Tuesday. day, 11°; night, 1°; light rain
2
+6
0
2 October, wed
+6
0
Feels like
0
630 mmHg
54%
2.2
m/s
NW
Climate normal
+15
+9
2 October, Wednesday. day, 6°; night, 0°; mostly clear
3
+9
+1
3 October, thu
+9
+1
Feels like
+1
632 mmHg
61%
2.9
m/s
NE
Climate normal
+12
+8
3 October, Thursday. day, 9°; night, 1°; clear
4
+13
+7
4 October, fri
+13
+7
Feels like
+5
632 mmHg
56%
2
m/s
SE
Climate normal
+13
+8
4 October, Friday. day, 13°; night, 7°; mostly clear
5
+14
+9
5 October, sat
+14
+9
Feels like
+7
631 mmHg
47%
5
m/s
SW
Climate normal
+15
+10
5 October, Saturday. day, 14°; night, 9°; partly cloudy
6
+10
+4
6 October, sun
+10
+4
Feels like
+4
630 mmHg
64%
5.9
m/s
W
Climate normal
+13
+8
6 October, Sunday. day, 10°; night, 4°; light rain
7
+12
+6
7 October, mon
+12
+6
Feels like
+3
634 mmHg
59%
3
m/s
SW
Climate normal
+14
+8
7 October, Monday. day, 12°; night, 6°; clear
8
+17
+9
8 October, tue
+17
+9
Feels like
+7
630 mmHg
45%
3.7
m/s
SW
Climate normal
+13
+8
8 October, Tuesday. day, 17°; night, 9°; partly cloudy
9
+13
+6
9 October, wed
+13
+6
Feels like
+6
631 mmHg
56%
3.5
m/s
W
Climate normal
+14
+8
9 October, Wednesday. day, 13°; night, 6°; mostly clear
10
+9
+3
10 October, thu
+9
+3
Feels like
+4
636 mmHg
63%
2.2
m/s
E
Climate normal
+9
+4
10 October, Thursday. day, 9°; night, 3°; partly cloudy
11
+13
+8
11 October, fri
+13
+8
Feels like
+5
636 mmHg
56%
2.4
m/s
SW
Climate normal
+8
+5
11 October, Friday. day, 13°; night, 8°; clear
Average data for 10 years
Next, the average data for 10 years
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
8
days with precipitation
9
cloudy days
13 sunny days; 8 days with precipitation; 9 cloudy days;
60
%
air humidity
4.4
m/s
Wind
W
53
mm of precipitation
(13% of annual average)
air humidity 60%; 53 millimeters of precipitation (13% of annual average); Wind westerly 4.4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
SW
SW
NE
NW
NW
W
W
NW
W
W
W
SW
S
NW
SW
W
SW
S
W
NW
NE
SE
SW
W
SW
SW
W
E
SW
12
Average data for 10 years
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
8
9
10
11
Daytime temperature
Night-time temperature
