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Westby, MT

77°F
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Westby

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77°
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Westby, MT Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

July

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
28
A t-storm; becoming windier
77°
51°
29
Becoming windier with rain
72°
53°
30
Windy; an a.m. shower or two
73°
55°
1
Periods of sun
76°
55°
2
A strong afternoon t-storm
79°
58°
3
A shower and thunderstorm
79°
59°
4
Sunshine, a t-storm possible
75°
54°
5
Sunny to partly cloudy
75°
55°
6
Mostly sunny
82°
57°
7
Sunshine and a few clouds
82°
58°
8
Mostly cloudy and humid
81°
57°
9
Humid with plenty of sunshine
78°
55°
10
Mostly sunny
80°
57°
11
Sunny
79°
54°
12
Shifting clouds and sun
84°
62°
13
Decreasing clouds
78°
59°
14
Plenty of sunshine
79°
59°
15
Partly sunny
83°
60°
16
Plenty of sunshine
83°
60°
17
Mostly sunny
84°
61°
18
Mostly sunny
85°
62°
19
Sunshine and humid
86°
62°
20
Sunshine and humid
85°
61°
21
Less humid with some sun
87°
63°
22
Sunny and humid
86°
62°
23
Partly sunny
87°
62°
24
Mostly sunny
85°
61°
25
A shower and thunderstorm
84°
62°
26
Sunny and less humid
85°
60°
27
Plenty of sunshine
78°
60°
28
A blend of sun and clouds
85°
61°
29
Mostly sunny
86°
62°
30
Sunshine and a few clouds
87°
63°
31
Mostly sunny and humid
87°
62°
1
Less humid with plenty of sun
84°
60°

Temperature Graph

°F
90° 82° 74° 66° 58° Jul
1 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 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

July Weather in Westby

Westby's July 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 51° and 63°. The average high for July is 82° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Westby. See also: August | September | October.

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