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Monthly weather forecast in West Yellowstone
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
+21
+13
25 August, sun
+21
+13
Feels like
+17
585 mmHg
37%
5.5
m/s
S
25 August, Sunday. day, 21°; night, 13°; clear
26
+20
+13
26 August, mon
+20
+13
Feels like
+17
585 mmHg
37%
5.1
m/s
S
26 August, Monday. day, 20°; night, 13°; partly cloudy
27
+20
+12
27 August, tue
+20
+12
Feels like
+16
585 mmHg
41%
5.3
m/s
S
27 August, Tuesday. day, 20°; night, 12°; partly cloudy
28
August
+18
−2
28 August, wed
+18
−2
Feels like
+8
603 mmHg
33%
6
m/s
W
Climate normal
+20
+13
28 August, Wednesday. day, 18°; night, -2°; light rain
29
+21
0
29 August, thu
+21
0
Feels like
+11
605 mmHg
42%
2.6
m/s
W
Climate normal
+20
+12
29 August, Thursday. day, 21°; night, 0°; clear
30
+25
+2
30 August, fri
+25
+2
Feels like
+14
608 mmHg
39%
3.4
m/s
SW
Climate normal
+18
+12
30 August, Friday. day, 25°; night, 2°; clear
31
+28
+8
31 August, sat
+28
+8
Feels like
+16
608 mmHg
35%
2.2
m/s
W
Climate normal
+18
+11
31 August, Saturday. day, 28°; night, 8°; clear
1 September
+27
+8
1 September, sun
+27
+8
Feels like
+14
610 mmHg
33%
4.7
m/s
SW
Climate normal
+18
+10
1 September, Sunday. day, 27°; night, 8°; partly cloudy
2
+26
+9
2 September, mon
+26
+9
Feels like
+13
610 mmHg
38%
4.5
m/s
SW
Climate normal
+18
+11
2 September, Monday. day, 26°; night, 9°; thunderstorm with rain
3
+24
+7
3 September, tue
+24
+7
Feels like
+12
609 mmHg
49%
5.6
m/s
SW
Climate normal
+17
+10
3 September, Tuesday. day, 24°; night, 7°; mostly clear
4
+22
+6
4 September, wed
+22
+6
Feels like
+12
610 mmHg
52%
3.4
m/s
NW
Climate normal
+15
+7
4 September, Wednesday. day, 22°; night, 6°; light rain
5
+24
+8
5 September, thu
+24
+8
Feels like
+14
611 mmHg
52%
3.7
m/s
SW
Climate normal
+15
+8
5 September, Thursday. day, 24°; night, 8°; clear
6
+24
+7
6 September, fri
+24
+7
Feels like
+14
607 mmHg
51%
3.7
m/s
SW
Climate normal
+16
+9
6 September, Friday. day, 24°; night, 7°; clear
7
+22
+7
7 September, sat
+22
+7
Feels like
+12
602 mmHg
41%
3.9
m/s
W
Climate normal
+15
+9
7 September, Saturday. day, 22°; night, 7°; mostly clear
8
+22
+7
8 September, sun
+22
+7
Feels like
+10
601 mmHg
42%
4.6
m/s
W
Climate normal
+16
+9
8 September, Sunday. day, 22°; night, 7°; clear
9
+22
+13
9 September, mon
+22
+13
Feels like
+11
601 mmHg
41%
4.6
m/s
SW
Climate normal
+16
+9
9 September, Monday. day, 22°; night, 13°; mostly clear
10
+27
+15
10 September, tue
+27
+15
Feels like
+18
593 mmHg
31%
2.7
m/s
NW
Climate normal
+16
+8
10 September, Tuesday. day, 27°; night, 15°; light rain
11
+26
+14
11 September, wed
+26
+14
Feels like
+18
592 mmHg
30%
2.4
m/s
NW
Climate normal
+17
+9
11 September, Wednesday. day, 26°; night, 14°; clear
12
+25
+14
12 September, thu
+25
+14
Feels like
+17
592 mmHg
30%
2.5
m/s
NE
Climate normal
+16
+10
12 September, Thursday. day, 25°; night, 14°; clear
13
+25
+13
13 September, fri
+25
+13
Feels like
+16
592 mmHg
26%
2.8
m/s
NE
Climate normal
+15
+8
13 September, Friday. day, 25°; night, 13°; clear
14
+25
+13
14 September, sat
+25
+13
Feels like
+16
591 mmHg
27%
3.2
m/s
E
Climate normal
+14
+8
14 September, Saturday. day, 25°; night, 13°; clear
15
+26
+10
15 September, sun
+26
+10
Feels like
+16
591 mmHg
25%
2.7
m/s
E
Climate normal
+14
+9
15 September, Sunday. day, 26°; night, 10°; clear
16
+24
+14
16 September, mon
+24
+14
Feels like
+15
593 mmHg
26%
3.4
m/s
NE
Climate normal
+14
+8
16 September, Monday. day, 24°; night, 14°; clear
17
+22
+12
17 September, tue
+22
+12
Feels like
+12
594 mmHg
35%
4
m/s
NE
Climate normal
+14
+9
17 September, Tuesday. day, 22°; night, 12°; clear
18
+22
+12
18 September, wed
+22
+12
Feels like
+13
592 mmHg
35%
3.5
m/s
E
Climate normal
+14
+8
18 September, Wednesday. day, 22°; night, 12°; clear
19
+20
+10
19 September, thu
+20
+10
Feels like
+10
590 mmHg
43%
4.4
m/s
NE
Climate normal
+14
+7
19 September, Thursday. day, 20°; night, 10°; mostly clear
20
+19
+8
20 September, fri
+19
+8
Feels like
+8
591 mmHg
30%
3.6
m/s
SE
Climate normal
+14
+8
20 September, Friday. day, 19°; night, 8°; clear
21
+20
+9
21 September, sat
+20
+9
Feels like
+10
589 mmHg
28%
2.6
m/s
SW
Climate normal
+13
+8
21 September, Saturday. day, 20°; night, 9°; light rain
22
+20
+8
22 September, sun
+20
+8
Feels like
+9
590 mmHg
40%
4
m/s
SW
Climate normal
+13
+7
22 September, Sunday. day, 20°; night, 8°; rain
23
+19
+14
23 September, mon
+19
+14
Feels like
+9
590 mmHg
29%
5.7
m/s
SW
Climate normal
+14
+8
23 September, Monday. day, 19°; night, 14°; clear
24
+13
+2
24 September, tue
+13
+2
Feels like
+5
589 mmHg
42%
6.6
m/s
W
Climate normal
+14
+8
24 September, Tuesday. day, 13°; night, 2°; mostly clear
25
+15
+8
25 September, wed
+15
+8
Feels like
+3
590 mmHg
33%
4.4
m/s
SW
Climate normal
+14
+8
25 September, Wednesday. day, 15°; night, 8°; partly cloudy
26
+16
+8
26 September, thu
+16
+8
Feels like
+7
590 mmHg
56%
4.1
m/s
SW
Climate normal
+14
+8
26 September, Thursday. day, 16°; night, 8°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
27
+15
+9
27 September, fri
+15
+9
Feels like
+11
584 mmHg
47%
4.6
m/s
S
27 September, Friday. day, 15°; night, 9°; clear
28
+14
+9
28 September, sat
+14
+9
Feels like
+10
584 mmHg
49%
4.9
m/s
S
28 September, Saturday. day, 14°; night, 9°; clear
Average for 30 days
26
sunny days
1
day with precipitation
3
cloudy days
26 sunny days; 1 day with precipitation; 3 cloudy days;
37
%
air humidity
3.9
m/s
Wind
SW
3
mm of precipitation
(1% of annual average)
air humidity 37%; 3 millimeters of precipitation (1% of annual average); Wind south-westerly 3.9 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
SW
W
SW
SW
SW
NW
SW
SW
W
W
SW
NW
NW
NE
NE
E
E
NE
NE
E
NE
SE
SW
SW
SW
W
SW
SW
28
Average data for 10 years
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
26
Daytime temperature
Night-time temperature
