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Gilman, MT

58°F
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Gilman

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58°
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Gilman, 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

May

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
39°
28°
27
50°
29°
28
57°
38°
29
59°
33°
30
64°
32°
1
72°
32°
2
69°
39°
3
76°
43°
4
59°
39°
5
50°
32°
6
74°
27°
7
65°
47°
8
74°
41°
9
70°
48°
10
79°
42°
11
77°
46°
12
80°
42°
13
84°
48°
14
64°
48°
15
63°
45°
16
52°
39°
17
45°
33°
18
55°
33°
19
63°
29°
20
61°
34°
21
59°
41°
22
66°
37°
23
76°
40°
24
81°
45°
25
86°
46°
26
83°
54°
27
85°
51°
28
90°
56°
29
An afternoon thunderstorm
83°
54°
30
Cooler with rain at times
66°
49°
31
Rain, some heavy; cooler
52°
44°
1
Cloudy, showers around; cool
54°
47°
2
Clearing and a few showers
58°
43°
3
Cloudy with a stray t-shower
67°
47°
4
A couple of p.m. t-showers
73°
51°
5
Partly sunny
78°
55°
6
A thunderstorm in spots
85°
51°

Temperature Graph

°F
90° 76° 62° 48° 34° May
Today 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

May Weather in Gilman

Gilman's May 2026 forecast shows daily high temperatures ranging from 52° to 85°, with overnight lows between 43° and 55°. The average high for May is 68° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Gilman. See also: June | July | August.

Further Ahead

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August 2026

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World North America United States Montana Gilman

Weather Near Gilman:

  • Helena, MT
  • Helena Valley Southeast, MT
  • Helena Valley West Central, MT
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