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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
+15
16 September, mon
+21
+15
Feels like
+17
672 mmHg
41%
6.9
m/s
SW
16 September, Monday. day, 21°; night, 15°; clear
17
+20
+15
17 September, tue
+20
+15
Feels like
+15
671 mmHg
43%
7.6
m/s
SW
17 September, Tuesday. day, 20°; night, 15°; clear
18
+21
+14
18 September, wed
+21
+14
Feels like
+16
670 mmHg
37%
8.6
m/s
W
18 September, Wednesday. day, 21°; night, 14°; clear
19
September
+22
+13
19 September, thu
+22
+13
Feels like
+13
670 mmHg
51%
7
m/s
SW
Climate normal
+21
+15
19 September, Thursday. day, 22°; night, 13°; partly cloudy
20
+20
+7
20 September, fri
+20
+7
Feels like
+8
670 mmHg
48%
10.3
m/s
W
Climate normal
+20
+14
20 September, Friday. day, 20°; night, 7°; light rain
21
+18
+8
21 September, sat
+18
+8
Feels like
+11
676 mmHg
59%
3.1
m/s
E
Climate normal
+19
+14
21 September, Saturday. day, 18°; night, 8°; partly cloudy
22
+23
+14
22 September, sun
+23
+14
Feels like
+13
674 mmHg
50%
5.8
m/s
SW
Climate normal
+21
+15
22 September, Sunday. day, 23°; night, 14°; partly cloudy
23
+20
+11
23 September, mon
+20
+11
Feels like
+13
676 mmHg
52%
5
m/s
NW
Climate normal
+22
+16
23 September, Monday. day, 20°; night, 11°; partly cloudy
24
+25
+11
24 September, tue
+25
+11
Feels like
+16
679 mmHg
57%
4.5
m/s
SW
Climate normal
+23
+17
24 September, Tuesday. day, 25°; night, 11°; clear
25
+28
+14
25 September, wed
+28
+14
Feels like
+17
677 mmHg
52%
6.4
m/s
SW
Climate normal
+22
+15
25 September, Wednesday. day, 28°; night, 14°; clear
26
+25
+12
26 September, thu
+25
+12
Feels like
+16
676 mmHg
52%
5.9
m/s
SW
Climate normal
+19
+14
26 September, Thursday. day, 25°; night, 12°; mostly clear
27
+26
+12
27 September, fri
+26
+12
Feels like
+15
675 mmHg
48%
6.1
m/s
W
Climate normal
+20
+14
27 September, Friday. day, 26°; night, 12°; clear
28
+21
+11
28 September, sat
+21
+11
Feels like
+12
675 mmHg
58%
5.5
m/s
NW
Climate normal
+21
+15
28 September, Saturday. day, 21°; night, 11°; mostly clear
29
+20
+9
29 September, sun
+20
+9
Feels like
+10
680 mmHg
59%
5.6
m/s
NW
Climate normal
+20
+14
29 September, Sunday. day, 20°; night, 9°; mostly clear
30
+18
+9
30 September, mon
+18
+9
Feels like
+11
677 mmHg
59%
3.6
m/s
NW
Climate normal
+18
+12
30 September, Monday. day, 18°; night, 9°; clear
1 October
+21
+12
1 October, tue
+21
+12
Feels like
+12
637 mmHg
50%
3
m/s
SE
Climate normal
+17
+12
1 October, Tuesday. day, 21°; night, 12°; clear
2
+22
+14
2 October, wed
+22
+14
Feels like
+15
635 mmHg
41%
3
m/s
SW
Climate normal
+15
+9
2 October, Wednesday. day, 22°; night, 14°; clear
3
+22
+14
3 October, thu
+22
+14
Feels like
+13
634 mmHg
31%
3.8
m/s
SW
Climate normal
+12
+8
3 October, Thursday. day, 22°; night, 14°; clear
4
+23
+15
4 October, fri
+23
+15
Feels like
+16
633 mmHg
32%
3
m/s
SW
Climate normal
+13
+8
4 October, Friday. day, 23°; night, 15°; partly cloudy
5
+23
+15
5 October, sat
+23
+15
Feels like
+15
633 mmHg
34%
3.6
m/s
E
Climate normal
+15
+10
5 October, Saturday. day, 23°; night, 15°; clear
6
+17
+11
6 October, sun
+17
+11
Feels like
+13
632 mmHg
48%
2.4
m/s
NW
Climate normal
+13
+8
6 October, Sunday. day, 17°; night, 11°; partly cloudy
7
+15
+10
7 October, mon
+15
+10
Feels like
+9
632 mmHg
76%
3.6
m/s
W
Climate normal
+14
+8
7 October, Monday. day, 15°; night, 10°; light rain
8
+16
+6
8 October, tue
+16
+6
Feels like
+8
633 mmHg
62%
4.4
m/s
SW
Climate normal
+13
+8
8 October, Tuesday. day, 16°; night, 6°; clear
9
+19
+12
9 October, wed
+19
+12
Feels like
+10
633 mmHg
47%
3.6
m/s
S
Climate normal
+14
+8
9 October, Wednesday. day, 19°; night, 12°; clear
10
+14
+6
10 October, thu
+14
+6
Feels like
+7
628 mmHg
43%
5.3
m/s
NW
Climate normal
+9
+4
10 October, Thursday. day, 14°; night, 6°; mostly clear
11
+12
+7
11 October, fri
+12
+7
Feels like
+6
626 mmHg
56%
2.2
m/s
SW
Climate normal
+8
+5
11 October, Friday. day, 12°; night, 7°; light rain
12
+4
−1
12 October, sat
+4
−1
Feels like
−4
624 mmHg
62%
6
m/s
W
Climate normal
+12
+7
12 October, Saturday. day, 4°; night, -1°; rain
13
+4
0
13 October, sun
+4
0
Feels like
−5
632 mmHg
56%
4
m/s
W
Climate normal
+14
+9
13 October, Sunday. day, 4°; night, 0°; mostly clear
14
+12
+8
14 October, mon
+12
+8
Feels like
+1
631 mmHg
62%
5.6
m/s
SW
Climate normal
+14
+8
14 October, Monday. day, 12°; night, 8°; mostly clear
15
+7
0
15 October, tue
+7
0
Feels like
0
631 mmHg
60%
4.4
m/s
W
Climate normal
+12
+9
15 October, Tuesday. day, 7°; night, 0°; light rain
16
+7
+2
16 October, wed
+7
+2
Feels like
0
632 mmHg
58%
2.2
m/s
NW
Climate normal
+14
+9
16 October, Wednesday. day, 7°; night, 2°; mostly clear
17
+12
+7
17 October, thu
+12
+7
Feels like
+3
625 mmHg
54%
4.2
m/s
S
Climate normal
+15
+9
17 October, Thursday. day, 12°; night, 7°; partly cloudy
18
+5
−2
18 October, fri
+5
−2
Feels like
−4
622 mmHg
90%
6.3
m/s
NW
Climate normal
+15
+10
18 October, Friday. day, 5°; night, -2°; sleet
Average data for 10 years
Next, the average data for 10 years
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
18
sunny days
5
days with precipitation
7
cloudy days
18 sunny days; 5 days with precipitation; 7 cloudy days;
54
%
air humidity
4.6
m/s
Wind
SW
5
mm of precipitation
(2% of annual average)
air humidity 54%; 5 millimeters of precipitation (2% of annual average); Wind south-westerly 4.6 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
W
E
SW
NW
SW
SW
SW
W
NW
NW
NW
SE
SW
SW
SW
E
NW
W
SW
S
NW
SW
W
W
SW
W
NW
S
NW
19
Average data for 10 years
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
17
18
Daytime temperature
Night-time temperature
