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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
September
+22
+10
15 September, sun
+22
+10
Feels like
+12
671 mmHg
54%
7.2
m/s
NE
Climate normal
+21
+15
15 September, Sunday. day, 22°; night, 10°; overcast
16
+21
+11
16 September, mon
+21
+11
Feels like
+15
670 mmHg
61%
2.6
m/s
SW
Climate normal
+21
+15
16 September, Monday. day, 21°; night, 11°; overcast
17
+20
+13
17 September, tue
+20
+13
Feels like
+13
666 mmHg
72%
4.1
m/s
W
Climate normal
+20
+15
17 September, Tuesday. day, 20°; night, 13°; rain
18
+14
+13
18 September, wed
+14
+13
Feels like
+5
662 mmHg
83%
11.2
m/s
W
Climate normal
+21
+14
18 September, Wednesday. day, 14°; night, 13°; heavy rain
19
+21
+11
19 September, thu
+21
+11
Feels like
+13
672 mmHg
61%
6
m/s
W
Climate normal
+21
+15
19 September, Thursday. day, 21°; night, 11°; light rain
20
+21
+11
20 September, fri
+21
+11
Feels like
+13
672 mmHg
62%
5.1
m/s
SW
Climate normal
+20
+14
20 September, Friday. day, 21°; night, 11°; clear
21
+20
+11
21 September, sat
+20
+11
Feels like
+12
674 mmHg
56%
4.4
m/s
SW
Climate normal
+19
+14
21 September, Saturday. day, 20°; night, 11°; rain
22
+14
+8
22 September, sun
+14
+8
Feels like
+8
676 mmHg
71%
4.7
m/s
NW
Climate normal
+21
+15
22 September, Sunday. day, 14°; night, 8°; heavy rain
23
+19
+9
23 September, mon
+19
+9
Feels like
+10
679 mmHg
65%
3
m/s
E
Climate normal
+22
+16
23 September, Monday. day, 19°; night, 9°; heavy rain
24
+22
+12
24 September, tue
+22
+12
Feels like
+12
676 mmHg
59%
4.9
m/s
SW
Climate normal
+23
+17
24 September, Tuesday. day, 22°; night, 12°; clear
25
+18
+10
25 September, wed
+18
+10
Feels like
+9
669 mmHg
58%
7.6
m/s
W
Climate normal
+22
+15
25 September, Wednesday. day, 18°; night, 10°; partly cloudy
26
+11
+8
26 September, thu
+11
+8
Feels like
+5
672 mmHg
70%
5.5
m/s
W
Climate normal
+19
+14
26 September, Thursday. day, 11°; night, 8°; partly cloudy
27
+13
+7
27 September, fri
+13
+7
Feels like
+6
663 mmHg
62%
4
m/s
W
Climate normal
+20
+14
27 September, Friday. day, 13°; night, 7°; partly cloudy
28
+12
+8
28 September, sat
+12
+8
Feels like
+6
626 mmHg
50%
2.2
m/s
SW
Climate normal
+21
+15
28 September, Saturday. day, 12°; night, 8°; partly cloudy
29
+12
+7
29 September, sun
+12
+7
Feels like
+4
629 mmHg
44%
4.3
m/s
SW
Climate normal
+20
+14
29 September, Sunday. day, 12°; night, 7°; partly cloudy
30
+13
+10
30 September, mon
+13
+10
Feels like
+6
629 mmHg
54%
3.4
m/s
SW
Climate normal
+18
+12
30 September, Monday. day, 13°; night, 10°; partly cloudy
1 October
+19
+12
1 October, tue
+19
+12
Feels like
+11
625 mmHg
58%
4.5
m/s
S
Climate normal
+17
+12
1 October, Tuesday. day, 19°; night, 12°; mostly clear
2
+8
+1
2 October, wed
+8
+1
Feels like
−2
621 mmHg
41%
6.5
m/s
W
Climate normal
+15
+9
2 October, Wednesday. day, 8°; night, 1°; partly cloudy
3
+4
+3
3 October, thu
+4
+3
Feels like
−3
629 mmHg
49%
5.3
m/s
NW
Climate normal
+12
+8
3 October, Thursday. day, 4°; night, 3°; light rain
4
+8
+2
4 October, fri
+8
+2
Feels like
+1
631 mmHg
64%
3.2
m/s
W
Climate normal
+13
+8
4 October, Friday. day, 8°; night, 2°; mostly clear
5
+11
+7
5 October, sat
+11
+7
Feels like
+3
628 mmHg
73%
4
m/s
SW
Climate normal
+15
+10
5 October, Saturday. day, 11°; night, 7°; light rain
6
+10
+7
6 October, sun
+10
+7
Feels like
+5
627 mmHg
86%
3.1
m/s
SW
Climate normal
+13
+8
6 October, Sunday. day, 10°; night, 7°; rain
7
+7
0
7 October, mon
+7
0
Feels like
+1
629 mmHg
73%
4.4
m/s
W
Climate normal
+14
+8
7 October, Monday. day, 7°; night, 0°; partly cloudy
8
+7
+3
8 October, tue
+7
+3
Feels like
+1
630 mmHg
59%
2.8
m/s
NE
Climate normal
+13
+8
8 October, Tuesday. day, 7°; night, 3°; partly cloudy
9
+5
−1
9 October, wed
+5
−1
Feels like
0
631 mmHg
55%
2.5
m/s
NW
Climate normal
+14
+8
9 October, Wednesday. day, 5°; night, -1°; partly cloudy
10
+4
−1
10 October, thu
+4
−1
Feels like
−3
633 mmHg
62%
2.9
m/s
W
Climate normal
+9
+4
10 October, Thursday. day, 4°; night, -1°; light rain
11
+9
+3
11 October, fri
+9
+3
Feels like
0
634 mmHg
62%
4.5
m/s
SW
Climate normal
+8
+5
11 October, Friday. day, 9°; night, 3°; clear
12
+13
+7
12 October, sat
+13
+7
Feels like
+2
628 mmHg
55%
5
m/s
S
Climate normal
+12
+7
12 October, Saturday. day, 13°; night, 7°; mostly clear
13
+9
+2
13 October, sun
+9
+2
Feels like
+1
624 mmHg
89%
6.8
m/s
SW
Climate normal
+14
+9
13 October, Sunday. day, 9°; night, 2°; sleet
14
+9
+2
14 October, mon
+9
+2
Feels like
−1
622 mmHg
88%
7.7
m/s
SW
Climate normal
+14
+8
14 October, Monday. day, 9°; night, 2°; sleet
Average data for 10 years
Next, the average data for 10 years
15
+12
+9
15 October, tue
+12
+9
Feels like
+7
673 mmHg
51%
7.4
m/s
SW
15 October, Tuesday. day, 12°; night, 9°; clear
16
+14
+9
16 October, wed
+14
+9
Feels like
+8
671 mmHg
46%
8.6
m/s
SW
16 October, Wednesday. day, 14°; night, 9°; partly cloudy
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
7
sunny days
11
days with precipitation
12
cloudy days
7 sunny days; 11 days with precipitation; 12 cloudy days;
63
%
air humidity
4.8
m/s
Wind
SW
114
mm of precipitation
(27% of annual average)
air humidity 63%; 114 millimeters of precipitation (27% of annual average); Wind south-westerly 4.8 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NE
SW
W
W
W
SW
SW
NW
E
SW
W
W
W
SW
SW
SW
S
W
NW
W
SW
SW
W
NE
NW
W
SW
S
SW
SW
15
Average data for 10 years
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
12
13
14
Daytime temperature
Night-time temperature
