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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
18
+27
+19
18 August, sun
+27
+19
Feels like
+23
671 mmHg
34%
7.4
m/s
SW
18 August, Sunday. day, 27°; night, 19°; clear
19
+34
+15
19 August, mon
+34
+15
Feels like
+19
676 mmHg
54%
6.7
m/s
W
Climate normal
+27
+20
19 August, Monday. day, 34°; night, 15°; light rain
20
August
+29
+14
20 August, tue
+29
+14
Feels like
+22
675 mmHg
51%
5
m/s
NE
Climate normal
+27
+20
20 August, Tuesday. day, 29°; night, 14°; light rain
21
+26
+12
21 August, wed
+26
+12
Feels like
+21
674 mmHg
49%
4
m/s
NE
Climate normal
+26
+19
21 August, Wednesday. day, 26°; night, 12°; partly cloudy
22
+27
+14
22 August, thu
+27
+14
Feels like
+20
675 mmHg
49%
5.6
m/s
NE
Climate normal
+25
+19
22 August, Thursday. day, 27°; night, 14°; mostly clear
23
+31
+18
23 August, fri
+31
+18
Feels like
+20
671 mmHg
53%
5.5
m/s
SW
Climate normal
+26
+20
23 August, Friday. day, 31°; night, 18°; mostly clear
24
+27
+14
24 August, sat
+27
+14
Feels like
+16
673 mmHg
35%
8.6
m/s
SW
Climate normal
+27
+21
24 August, Saturday. day, 27°; night, 14°; light rain
25
+23
+13
25 August, sun
+23
+13
Feels like
+14
676 mmHg
46%
6.6
m/s
SW
Climate normal
+29
+21
25 August, Sunday. day, 23°; night, 13°; heavy rain
26
+25
+15
26 August, mon
+25
+15
Feels like
+13
677 mmHg
39%
9.2
m/s
SW
Climate normal
+27
+20
26 August, Monday. day, 25°; night, 15°; light rain
27
+23
+12
27 August, tue
+23
+12
Feels like
+14
676 mmHg
51%
6.6
m/s
NW
Climate normal
+27
+22
27 August, Tuesday. day, 23°; night, 12°; partly cloudy
28
+24
+12
28 August, wed
+24
+12
Feels like
+15
680 mmHg
53%
5.5
m/s
NE
Climate normal
+27
+20
28 August, Wednesday. day, 24°; night, 12°; clear
29
+28
+15
29 August, thu
+28
+15
Feels like
+17
679 mmHg
40%
5.2
m/s
SW
Climate normal
+27
+18
29 August, Thursday. day, 28°; night, 15°; clear
30
+30
+18
30 August, fri
+30
+18
Feels like
+19
677 mmHg
34%
4.2
m/s
NW
Climate normal
+24
+17
30 August, Friday. day, 30°; night, 18°; clear
31
+29
+16
31 August, sat
+29
+16
Feels like
+18
675 mmHg
30%
7.4
m/s
W
Climate normal
+25
+18
31 August, Saturday. day, 29°; night, 16°; mostly clear
1 September
+27
+17
1 September, sun
+27
+17
Feels like
+18
655 mmHg
38%
3.6
m/s
W
Climate normal
+25
+18
1 September, Sunday. day, 27°; night, 17°; mostly clear
2
+17
+11
2 September, mon
+17
+11
Feels like
+12
636 mmHg
63%
5.6
m/s
NE
Climate normal
+23
+16
2 September, Monday. day, 17°; night, 11°; mostly clear
3
+21
+11
3 September, tue
+21
+11
Feels like
+11
636 mmHg
56%
4
m/s
E
Climate normal
+23
+17
3 September, Tuesday. day, 21°; night, 11°; mostly clear
4
+25
+12
4 September, wed
+25
+12
Feels like
+17
634 mmHg
45%
1.9
m/s
S
Climate normal
+20
+15
4 September, Wednesday. day, 25°; night, 12°; clear
5
+25
+13
5 September, thu
+25
+13
Feels like
+17
633 mmHg
32%
2.8
m/s
SW
Climate normal
+22
+15
5 September, Thursday. day, 25°; night, 13°; clear
6
+22
+13
6 September, fri
+22
+13
Feels like
+14
633 mmHg
38%
5.3
m/s
NW
Climate normal
+21
+15
6 September, Friday. day, 22°; night, 13°; mostly clear
7
+24
+11
7 September, sat
+24
+11
Feels like
+19
634 mmHg
52%
Calm m/s
Climate normal
+22
+15
7 September, Saturday. day, 24°; night, 11°; clear
8
+24
+15
8 September, sun
+24
+15
Feels like
+14
633 mmHg
47%
4.1
m/s
E
Climate normal
+21
+15
8 September, Sunday. day, 24°; night, 15°; clear
9
+27
+17
9 September, mon
+27
+17
Feels like
+18
628 mmHg
36%
2.9
m/s
NW
Climate normal
+22
+15
9 September, Monday. day, 27°; night, 17°; clear
10
+22
+17
10 September, tue
+22
+17
Feels like
+16
629 mmHg
36%
3.5
m/s
SW
Climate normal
+22
+15
10 September, Tuesday. day, 22°; night, 17°; partly cloudy
11
+20
+11
11 September, wed
+20
+11
Feels like
+14
631 mmHg
52%
4
m/s
NE
Climate normal
+23
+15
11 September, Wednesday. day, 20°; night, 11°; partly cloudy
12
+23
+12
12 September, thu
+23
+12
Feels like
+14
634 mmHg
55%
3.8
m/s
NE
Climate normal
+20
+13
12 September, Thursday. day, 23°; night, 12°; clear
13
+25
+12
13 September, fri
+25
+12
Feels like
+18
633 mmHg
45%
2.3
m/s
E
Climate normal
+18
+12
13 September, Friday. day, 25°; night, 12°; clear
14
+26
+12
14 September, sat
+26
+12
Feels like
+18
629 mmHg
34%
2.4
m/s
NW
Climate normal
+22
+16
14 September, Saturday. day, 26°; night, 12°; clear
15
+17
+10
15 September, sun
+17
+10
Feels like
+13
628 mmHg
63%
2.9
m/s
NW
Climate normal
+21
+15
15 September, Sunday. day, 17°; night, 10°; rain
16
+15
+7
16 September, mon
+15
+7
Feels like
+8
630 mmHg
69%
4.1
m/s
W
Climate normal
+21
+15
16 September, Monday. day, 15°; night, 7°; light rain
17
+17
+9
17 September, tue
+17
+9
Feels like
+8
634 mmHg
59%
3.6
m/s
E
Climate normal
+20
+15
17 September, Tuesday. day, 17°; night, 9°; mostly clear
18
+18
+10
18 September, wed
+18
+10
Feels like
+9
630 mmHg
49%
3
m/s
S
Climate normal
+21
+14
18 September, Wednesday. day, 18°; night, 10°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
19
+21
+15
19 September, thu
+21
+15
Feels like
+16
671 mmHg
38%
7.5
m/s
SW
19 September, Thursday. day, 21°; night, 15°; clear
20
+20
+14
20 September, fri
+20
+14
Feels like
+16
672 mmHg
34%
6.5
m/s
SW
20 September, Friday. day, 20°; night, 14°; partly cloudy
21
+19
+14
21 September, sat
+19
+14
Feels like
+15
672 mmHg
47%
6.9
m/s
SW
21 September, Saturday. day, 19°; night, 14°; partly cloudy
Average for 30 days
19
sunny days
6
days with precipitation
5
cloudy days
19 sunny days; 6 days with precipitation; 5 cloudy days;
47
%
air humidity
4.4
m/s
Wind
SW
10
mm of precipitation
(3% of annual average)
air humidity 47%; 10 millimeters of precipitation (3% of annual average); Wind south-westerly 4.4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NE
NE
NE
SW
SW
SW
SW
NW
NE
SW
NW
W
W
NE
E
S
SW
NW
E
NW
SW
NE
NE
E
NW
NW
W
E
S
20
Average data for 10 years
21
22
23
24
25
26
27
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Daytime temperature
Night-time temperature