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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
15
+21
+15
15 September, sun
+21
+15
Feels like
+18
672 mmHg
41%
6.4
m/s
SW
15 September, Sunday. day, 21°; night, 15°; clear
16
+21
+11
16 September, mon
+21
+11
Feels like
+13
670 mmHg
63%
2.8
m/s
SW
Climate normal
+21
+15
16 September, Monday. day, 21°; night, 11°; overcast
17
September
+20
+13
17 September, tue
+20
+13
Feels like
+15
667 mmHg
67%
3.2
m/s
W
Climate normal
+20
+15
17 September, Tuesday. day, 20°; night, 13°; rain
18
+16
+13
18 September, wed
+16
+13
Feels like
+8
665 mmHg
81%
11.2
m/s
W
Climate normal
+21
+14
18 September, Wednesday. day, 16°; night, 13°; rain
19
+23
+13
19 September, thu
+23
+13
Feels like
+15
670 mmHg
52%
6
m/s
SW
Climate normal
+21
+15
19 September, Thursday. day, 23°; night, 13°; partly cloudy
20
+19
+9
20 September, fri
+19
+9
Feels like
+11
671 mmHg
55%
6.8
m/s
W
Climate normal
+20
+14
20 September, Friday. day, 19°; night, 9°; light rain
21
+18
+8
21 September, sat
+18
+8
Feels like
+9
677 mmHg
59%
4.2
m/s
NW
Climate normal
+19
+14
21 September, Saturday. day, 18°; night, 8°; mostly clear
22
+19
+9
22 September, sun
+19
+9
Feels like
+9
675 mmHg
52%
5.5
m/s
SW
Climate normal
+21
+15
22 September, Sunday. day, 19°; night, 9°; partly cloudy
23
+20
+12
23 September, mon
+20
+12
Feels like
+11
673 mmHg
61%
6.5
m/s
SW
Climate normal
+22
+16
23 September, Monday. day, 20°; night, 12°; light rain
24
+22
+12
24 September, tue
+22
+12
Feels like
+14
675 mmHg
59%
5.3
m/s
SW
Climate normal
+23
+17
24 September, Tuesday. day, 22°; night, 12°; overcast
25
+24
+14
25 September, wed
+24
+14
Feels like
+15
674 mmHg
53%
6.1
m/s
SW
Climate normal
+22
+15
25 September, Wednesday. day, 24°; night, 14°; light rain
26
+21
+11
26 September, thu
+21
+11
Feels like
+12
675 mmHg
60%
6.2
m/s
SW
Climate normal
+19
+14
26 September, Thursday. day, 21°; night, 11°; partly cloudy
27
+19
+11
27 September, fri
+19
+11
Feels like
+10
677 mmHg
67%
5.3
m/s
W
Climate normal
+20
+14
27 September, Friday. day, 19°; night, 11°; partly cloudy
28
+25
+12
28 September, sat
+25
+12
Feels like
+14
675 mmHg
51%
6
m/s
SW
Climate normal
+21
+15
28 September, Saturday. day, 25°; night, 12°; mostly clear
29
+21
+10
29 September, sun
+21
+10
Feels like
+11
633 mmHg
46%
4.3
m/s
SW
Climate normal
+20
+14
29 September, Sunday. day, 21°; night, 10°; clear
30
+22
+13
30 September, mon
+22
+13
Feels like
+13
634 mmHg
42%
3.4
m/s
SW
Climate normal
+18
+12
30 September, Monday. day, 22°; night, 13°; clear
1 October
+21
+11
1 October, tue
+21
+11
Feels like
+12
633 mmHg
41%
4.5
m/s
S
Climate normal
+17
+12
1 October, Tuesday. day, 21°; night, 11°; clear
2
+21
+14
2 October, wed
+21
+14
Feels like
+11
632 mmHg
35%
6.5
m/s
W
Climate normal
+15
+9
2 October, Wednesday. day, 21°; night, 14°; clear
3
+22
+15
3 October, thu
+22
+15
Feels like
+13
630 mmHg
38%
5.3
m/s
NW
Climate normal
+12
+8
3 October, Thursday. day, 22°; night, 15°; clear
4
+14
+2
4 October, fri
+14
+2
Feels like
+7
625 mmHg
51%
3.2
m/s
W
Climate normal
+13
+8
4 October, Friday. day, 14°; night, 2°; light rain
5
+4
0
5 October, sat
+4
0
Feels like
−4
628 mmHg
52%
4
m/s
SW
Climate normal
+15
+10
5 October, Saturday. day, 4°; night, 0°; light rain
6
+9
+3
6 October, sun
+9
+3
Feels like
−1
633 mmHg
53%
3.1
m/s
SW
Climate normal
+13
+8
6 October, Sunday. day, 9°; night, 3°; mostly clear
7
+12
+9
7 October, mon
+12
+9
Feels like
+2
632 mmHg
40%
4.4
m/s
W
Climate normal
+14
+8
7 October, Monday. day, 12°; night, 9°; partly cloudy
8
+11
+7
8 October, tue
+11
+7
Feels like
+5
634 mmHg
64%
2.8
m/s
NE
Climate normal
+13
+8
8 October, Tuesday. day, 11°; night, 7°; partly cloudy
9
+12
+4
9 October, wed
+12
+4
Feels like
+4
634 mmHg
63%
2.5
m/s
NW
Climate normal
+14
+8
9 October, Wednesday. day, 12°; night, 4°; mostly clear
10
+15
+5
10 October, thu
+15
+5
Feels like
+6
631 mmHg
58%
2.9
m/s
W
Climate normal
+9
+4
10 October, Thursday. day, 15°; night, 5°; clear
11
+17
+10
11 October, fri
+17
+10
Feels like
+8
629 mmHg
48%
4.5
m/s
SW
Climate normal
+8
+5
11 October, Friday. day, 17°; night, 10°; clear
12
+16
+9
12 October, sat
+16
+9
Feels like
+8
630 mmHg
52%
5
m/s
S
Climate normal
+12
+7
12 October, Saturday. day, 16°; night, 9°; mostly clear
13
+17
+10
13 October, sun
+17
+10
Feels like
+6
632 mmHg
54%
6.8
m/s
SW
Climate normal
+14
+9
13 October, Sunday. day, 17°; night, 10°; partly cloudy
14
+16
+6
14 October, mon
+16
+6
Feels like
+6
632 mmHg
52%
7.7
m/s
SW
Climate normal
+14
+8
14 October, Monday. day, 16°; night, 6°; partly cloudy
15
+14
+3
15 October, tue
+14
+3
Feels like
+3
633 mmHg
56%
7.2
m/s
W
Climate normal
+12
+9
15 October, Tuesday. day, 14°; night, 3°; partly cloudy
16
+12
+4
16 October, wed
+12
+4
Feels like
+4
633 mmHg
64%
3.5
m/s
SW
Climate normal
+14
+9
16 October, Wednesday. day, 12°; night, 4°; mostly clear
Average data for 10 years
Next, the average data for 10 years
17
+15
+9
17 October, thu
+15
+9
Feels like
+8
671 mmHg
41%
9.3
m/s
SW
17 October, Thursday. day, 15°; night, 9°; clear
18
+15
+10
18 October, fri
+15
+10
Feels like
+10
670 mmHg
46%
7.3
m/s
SW
18 October, Friday. day, 15°; night, 10°; overcast
19
+14
+9
19 October, sat
+14
+9
Feels like
+9
671 mmHg
50%
6.9
m/s
SW
19 October, Saturday. day, 14°; night, 9°; rain
Average for 30 days
14
sunny days
6
days with precipitation
10
cloudy days
14 sunny days; 6 days with precipitation; 10 cloudy days;
54
%
air humidity
5.1
m/s
Wind
SW
31
mm of precipitation
(8% of annual average)
air humidity 54%; 31 millimeters of precipitation (8% of annual average); Wind south-westerly 5.1 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
SW
W
NW
SW
SW
SW
SW
SW
W
SW
SW
SW
S
W
NW
W
SW
SW
W
NE
NW
W
SW
S
SW
SW
W
SW
17
Average data for 10 years
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
12
13
14
15
16
Daytime temperature
Night-time temperature
