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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
25
+29
+21
25 August, sun
+29
+21
Feels like
+25
672 mmHg
25%
6.1
m/s
W
25 August, Sunday. day, 29°; night, 21°; clear
26
+28
+14
26 August, mon
+28
+14
Feels like
+16
678 mmHg
43%
3.1
m/s
SW
Climate normal
+27
+20
26 August, Monday. day, 28°; night, 14°; clear
27
August
+31
+9
27 August, tue
+31
+9
Feels like
+22
674 mmHg
29%
6.3
m/s
SW
Climate normal
+27
+22
27 August, Tuesday. day, 31°; night, 9°; partly cloudy
28
+17
+13
28 August, wed
+17
+13
Feels like
+4
673 mmHg
45%
13.6
m/s
W
Climate normal
+27
+20
28 August, Wednesday. day, 17°; night, 13°; light rain
29
+26
+11
29 August, thu
+26
+11
Feels like
+15
678 mmHg
34%
6.6
m/s
W
Climate normal
+27
+18
29 August, Thursday. day, 26°; night, 11°; clear
30
+31
+14
30 August, fri
+31
+14
Feels like
+20
678 mmHg
34%
4.6
m/s
SW
Climate normal
+24
+17
30 August, Friday. day, 31°; night, 14°; clear
31
+25
+12
31 August, sat
+25
+12
Feels like
+17
680 mmHg
47%
4.3
m/s
NE
Climate normal
+25
+18
31 August, Saturday. day, 25°; night, 12°; clear
1 September
+29
+14
1 September, sun
+29
+14
Feels like
+20
679 mmHg
46%
3.1
m/s
NE
Climate normal
+25
+18
1 September, Sunday. day, 29°; night, 14°; mostly clear
2
+31
+16
2 September, mon
+31
+16
Feels like
+21
677 mmHg
43%
3.9
m/s
E
Climate normal
+23
+16
2 September, Monday. day, 31°; night, 16°; overcast
3
+29
+16
3 September, tue
+29
+16
Feels like
+19
677 mmHg
46%
6.1
m/s
W
Climate normal
+23
+17
3 September, Tuesday. day, 29°; night, 16°; mostly clear
4
+26
+14
4 September, wed
+26
+14
Feels like
+17
679 mmHg
44%
4.6
m/s
NW
Climate normal
+20
+15
4 September, Wednesday. day, 26°; night, 14°; partly cloudy
5
+28
+14
5 September, thu
+28
+14
Feels like
+18
680 mmHg
48%
4.5
m/s
W
Climate normal
+22
+15
5 September, Thursday. day, 28°; night, 14°; mostly clear
6
+27
+14
6 September, fri
+27
+14
Feels like
+17
677 mmHg
48%
4.9
m/s
W
Climate normal
+21
+15
6 September, Friday. day, 27°; night, 14°; partly cloudy
7
+29
+15
7 September, sat
+29
+15
Feels like
+17
677 mmHg
35%
5.1
m/s
W
Climate normal
+22
+15
7 September, Saturday. day, 29°; night, 15°; clear
8
+27
+17
8 September, sun
+27
+17
Feels like
+18
634 mmHg
43%
3.2
m/s
E
Climate normal
+21
+15
8 September, Sunday. day, 27°; night, 17°; clear
9
+29
+20
9 September, mon
+29
+20
Feels like
+22
632 mmHg
37%
2.6
m/s
E
Climate normal
+22
+15
9 September, Monday. day, 29°; night, 20°; mostly clear
10
+29
+18
10 September, tue
+29
+18
Feels like
+20
629 mmHg
26%
3.2
m/s
SW
Climate normal
+22
+15
10 September, Tuesday. day, 29°; night, 18°; clear
11
+24
+16
11 September, wed
+24
+16
Feels like
+16
627 mmHg
42%
4.7
m/s
W
Climate normal
+23
+15
11 September, Wednesday. day, 24°; night, 16°; clear
12
+19
+7
12 September, thu
+19
+7
Feels like
+11
628 mmHg
29%
5
m/s
W
Climate normal
+20
+13
12 September, Thursday. day, 19°; night, 7°; mostly clear
13
+25
+14
13 September, fri
+25
+14
Feels like
+15
633 mmHg
31%
2.1
m/s
SW
Climate normal
+18
+12
13 September, Friday. day, 25°; night, 14°; clear
14
+26
+14
14 September, sat
+26
+14
Feels like
+17
631 mmHg
29%
4.1
m/s
SW
Climate normal
+22
+16
14 September, Saturday. day, 26°; night, 14°; light rain
15
+19
+8
15 September, sun
+19
+8
Feels like
+12
631 mmHg
50%
4.6
m/s
NW
Climate normal
+21
+15
15 September, Sunday. day, 19°; night, 8°; mostly clear
16
+20
+8
16 September, mon
+20
+8
Feels like
+11
634 mmHg
50%
2
m/s
NW
Climate normal
+21
+15
16 September, Monday. day, 20°; night, 8°; mostly clear
17
+26
+16
17 September, tue
+26
+16
Feels like
+16
633 mmHg
40%
2.3
m/s
SW
Climate normal
+20
+15
17 September, Tuesday. day, 26°; night, 16°; clear
18
+25
+15
18 September, wed
+25
+15
Feels like
+15
631 mmHg
28%
4.1
m/s
SW
Climate normal
+21
+14
18 September, Wednesday. day, 25°; night, 15°; clear
19
+26
+19
19 September, thu
+26
+19
Feels like
+17
627 mmHg
29%
3.1
m/s
S
Climate normal
+21
+15
19 September, Thursday. day, 26°; night, 19°; mostly clear
20
+18
+9
20 September, fri
+18
+9
Feels like
+11
622 mmHg
47%
5.2
m/s
W
Climate normal
+20
+14
20 September, Friday. day, 18°; night, 9°; partly cloudy
21
+8
0
21 September, sat
+8
0
Feels like
+3
630 mmHg
47%
2.9
m/s
N
Climate normal
+19
+14
21 September, Saturday. day, 8°; night, 0°; partly cloudy
22
+17
+9
22 September, sun
+17
+9
Feels like
+4
632 mmHg
48%
3.6
m/s
S
Climate normal
+21
+15
22 September, Sunday. day, 17°; night, 9°; clear
23
+15
+7
23 September, mon
+15
+7
Feels like
+6
629 mmHg
32%
2.7
m/s
NW
Climate normal
+22
+16
23 September, Monday. day, 15°; night, 7°; partly cloudy
24
+16
+9
24 September, tue
+16
+9
Feels like
+8
633 mmHg
56%
1.6
m/s
SW
Climate normal
+23
+17
24 September, Tuesday. day, 16°; night, 9°; mostly clear
25
+22
+13
25 September, wed
+22
+13
Feels like
+9
630 mmHg
25%
5
m/s
SW
Climate normal
+22
+15
25 September, Wednesday. day, 22°; night, 13°; clear
Average data for 10 years
Next, the average data for 10 years
26
+19
+14
26 September, thu
+19
+14
Feels like
+15
675 mmHg
43%
7
m/s
SW
26 September, Thursday. day, 19°; night, 14°; clear
27
+20
+14
27 September, fri
+20
+14
Feels like
+15
673 mmHg
38%
7.9
m/s
SW
27 September, Friday. day, 20°; night, 14°; clear
28
+21
+15
28 September, sat
+21
+15
Feels like
+17
672 mmHg
37%
6.6
m/s
SW
28 September, Saturday. day, 21°; night, 15°; rain
Average for 30 days
22
sunny days
1
day with precipitation
7
cloudy days
22 sunny days; 1 day with precipitation; 7 cloudy days;
40
%
air humidity
4.3
m/s
Wind
W
0.6
mm of precipitation
(1% of annual average)
air humidity 40%; 0.6 millimeters of precipitation (1% of annual average); Wind westerly 4.3 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
W
W
SW
NE
NE
E
W
NW
W
W
W
E
E
SW
W
W
SW
SW
NW
NW
SW
SW
S
W
N
S
NW
SW
SW
27
Average data for 10 years
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Daytime temperature
Night-time temperature
