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Hays, MT

62°F
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Hays

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62°
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Hays, 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

August

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
26
Sunny
85°
59°
27
Mostly sunny
85°
58°
28
A couple of afternoon showers
84°
59°
29
Plenty of sunshine
86°
59°
30
Mostly sunny
85°
58°
31
Mostly sunny
82°
58°
1
Decreasing clouds
84°
59°
2
Plenty of sun
85°
58°
3
Plenty of sunshine
84°
58°
4
Plenty of sunshine
86°
59°
5
Mostly sunny
86°
57°
6
Mostly sunny and not as warm
75°
56°
7
Plenty of sunshine
77°
57°
8
Mostly sunny
85°
58°
9
Decreasing clouds
86°
57°
10
Sunny and less humid
84°
56°
11
Mostly sunny
82°
56°
12
Mostly sunny and less humid
77°
54°
13
Sunshine
74°
53°
14
Plenty of sunshine
78°
55°
15
Plenty of sunshine
83°
56°
16
Sunny
84°
57°
17
Sunshine and a few clouds
84°
48°
18
Partly sunny and not as warm
76°
54°
19
Mostly sunny
83°
55°
20
Intervals of bright sunshine
82°
54°
21
Shifting clouds and sun
83°
53°
22
Clouds and sun
82°
52°
23
A couple of afternoon showers
82°
47°
24
Showers around; not as warm
71°
47°
25
Sunny spells
68°
50°
26
Mostly cloudy
70°
49°
27
Some sun with a few showers
80°
48°
28
Partly sunny
77°
52°
29
Mostly sunny
80°
50°
30
Mostly sunny
81°
44°
31
Mostly sunny
74°
41°
1
Soft golden sunshine
70°
43°
2
Mostly sunny
69°
49°
3
Mostly sunny
71°
50°
4
Clouds yielding to sun
77°
45°
5
Partly sunny
77°
39°

Temperature Graph

°F
90° 80° 70° 60° 50° Aug
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

August Weather in Hays

Hays's August 2026 forecast shows daily high temperatures ranging from 68° to 86°, with overnight lows between 39° and 59°. The average high for August is 80° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Hays. See also: September | October | November.

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Weather Near Hays:

  • Great Falls, MT
  • Havre, MT
  • Lewistown, MT
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