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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Lewistown, MT
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October
Average Temperature
High
13°
Feels 12
Low
1°
Feels -3
Average Precipitation
8 Days
Rain amount
15.7mm
Snow amount
4.3cm
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Daily Historical Averages
October 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
14°
19
21°
20
14°
21
20°
22
22°
23
11°
24
6°
25
8°
26
8°
27
9°
28
4°
29
2°
30
5°
31
3°
Forecast
Sunday, October 18, 2026
Day
14°
Feels 13
Wind
17 km/h E
Gust
26 km/h
Humidity
33%
P.O.P
30%
Night
3°
Feels 0
Wind
18 km/h E
Gust
27 km/h
Humidity
65%
P.O.P
10%
Historical Averages
Oct 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.