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October 2026 Climate Summary

Current conditions at

Kilo - Harlowton (K1KM)

Lat: 46.5°NLon: 109.8°WElev: 4452.0ft.

Clear

41°F

5°C

Humidity	67%
Wind Speed	NNW 12 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	31°F (-1°C)
Visibility	10.00 mi
Wind Chill	34°F (1°C)
Last update	08 Nov 08:55 AM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Harlowton MT

Today
High: 66 °F
Mostly Cloudy
Tonight
Low: 37 °F
Mostly Cloudy
Monday
High: 57 °F
Mostly Cloudy
Monday Night
Low: 36 °F
Mostly Cloudy
Tuesday
High: 57 °F
Decreasing
Clouds
Tuesday Night
Low: 37 °F
Partly Cloudy
Veterans Day
High: 64 °F
Sunny
Wednesday Night
Low: 37 °F
Partly Cloudy
Thursday
High: 66 °F
Sunny

Detailed Forecast

Today

Mostly cloudy, with a high near 66. West wind 17 to 26 mph.

Tonight

Mostly cloudy, with a low around 37. West northwest wind 10 to 15 mph.

Monday

Mostly cloudy, with a high near 57. West wind 5 to 9 mph becoming light and variable.

Monday Night

Mostly cloudy, with a low around 36. Calm wind becoming west 5 to 8 mph after midnight.

Tuesday

Mostly cloudy, then gradually becoming sunny, with a high near 57. West wind 13 to 23 mph increasing to 24 to 34 mph in the morning. Winds could gust as high as 48 mph.

Tuesday Night

Partly cloudy, with a low around 37. West wind 17 to 21 mph.

Veterans Day

Sunny, with a high near 64. West wind 17 to 20 mph.

Wednesday Night

Partly cloudy, with a low around 37. West wind 10 to 15 mph.

Thursday

Sunny, with a high near 66. West wind 5 to 14 mph.

Thursday Night

Partly cloudy, with a low around 36. Calm wind becoming west 5 to 9 mph in the evening.

Friday

Mostly sunny, with a high near 63. West wind 6 to 11 mph.