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Monarch, MT

37°F
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Monarch

Montana

37°
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Monarch, 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
Partly sunny
55°
28°
27
Mostly cloudy
50°
29°
28
Clouds and sun
49°
25°
29
Sunny
54°
28°
30
A little afternoon rain
58°
34°
1
Rain; mixed with snow early
51°
34°
2
Rain becoming steadier
50°
31°
3
Sunny
50°
25°
4
Sunny
56°
28°
5
Sunshine
60°
31°
6
An a.m. shower, then showers
61°
35°
7
Cloudy
54°
35°
8
Cloudy with a little rain
57°
36°
9
Mostly cloudy
53°
34°
10
A little afternoon rain
61°
36°
11
Partly sunny
55°
32°
12
Rain; mixed with snow early
52°
28°
13
Rain; mixed with snow early
50°
27°
14
Plenty of sunshine
52°
27°
15
Mostly cloudy
54°
33°
16
Cloudy
57°
32°
17
Rain becoming steadier
55°
37°
18
Occasional morning rain
53°
31°
19
A bit of snow and rain
55°
31°
20
Plenty of sunshine
63°
35°
21
Mostly sunny
65°
38°
22
Sun followed by clouds
66°
39°
23
Showers around in the p.m.
67°
39°
24
Plenty of sunshine
56°
33°
25
Variable clouds, p.m. showers
63°
31°
26
Mostly cloudy, a few showers
60°
36°
27
A couple of showers
66°
33°
28
A couple of morning showers
62°
36°
29
Plenty of sunshine
67°
38°
30
Plenty of sunshine
68°
40°
31
Mostly sunny
69°
41°
1
Clouds and sun, a few showers
69°
39°
2
A.M. showers, then a shower
67°
39°
3
A.M. showers; variable clouds
68°
41°
4
Plenty of sunshine
71°
41°
5
A couple of showers
69°
40°
6
A couple of showers
68°
39°

Temperature Graph

°F
70° 60° 50° 40° 30° May
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 Monarch

Monarch's May 2026 forecast shows daily high temperatures ranging from 49° to 71°, with overnight lows between 25° and 41°. The average high for May is 59° with an average low of 34°. 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 Monarch. See also: June | July | August.

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Weather Near Monarch:

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