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Sunrise:  5:40 am
Sunset:  8:51 pm
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May 24

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May 18th, 2026 :: 11:51 am MDT   

Local Weather Report for
Harlowton
Montana, United States

 Harlowton Weather Forecast Summary  
 
Today
May 18th
Tuesday
May 19th
Wednesday
May 20th
Thursday
May 21st
Friday
May 22nd
Mostly Sunny Mostly Sunny Mix of Cloud and Sun Cloudy Mostly Sunny
49°F
63°F
32°F
59°F
44°F
53°F
45°F
65°F
39°F
 
 Harlowton Detailed Weather Forecast  
 
Monday, May 18th, 2026
Afternoon Temperature: 46°F
Sunny with cloudy periods. Windy.
Evening Temperature: 45°F
Clear. Windy at times.
Tuesday, May 19th, 2026
Overnight Temperature: 36°F
Clear.
Morning Temperature: 38°F
Sunny.
Afternoon Temperature: 60°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 56°F
A mix of clear and cloudy skies. Windy at times.
Wednesday, May 20th, 2026
Overnight Temperature: 45°F
Clear with cloudy periods.
Morning Temperature: 49°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 58°F
Cloudy with a slight chance of showers. Windy at times.
Evening Temperature: 52°F
Cloudy with a chance of showers.
Thursday, May 21st, 2026
Overnight Temperature: 46°F
Cloudy with a chance of showers.
Morning Temperature: 46°F
Cloudy with a chance of showers.
Afternoon Temperature: 52°F
Cloudy.
Evening Temperature: 50°F
A mix of cloudy and clear skies.
Friday, May 22nd, 2026
Overnight Temperature: 42°F
Clear.
Morning Temperature: 46°F
Sunny.
Afternoon Temperature: 61°F
Mostly sunny.
Evening Temperature: 60°F
Clear with cloudy periods. Windy at times.
Saturday, May 23rd, 2026
Overnight Temperature: 49°F
Clear.
Morning Temperature: 51°F
Mostly sunny.
Afternoon Temperature: 71°F
Sunny. Windy.
Evening Temperature: 67°F
Clear with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Sunday, May 24th, 2026
Overnight Temperature: 56°F
Mostly clear. Windy at times.
Morning Temperature: 56°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 74°F
A mix of cloud and sun. Windy.
Evening Temperature: 68°F
A mix of clear and cloudy skies. Windy at times.
Monday, May 25th, 2026
Overnight Temperature: 59°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 59°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 78°F
Sunny. Wind 20 to 30 mph.
Evening Temperature: 73°F
Clear. Windy.
Tuesday, May 26th, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 57°F
Mostly sunny. Windy.
Afternoon Temperature: 64°F
Sunny. Windy.
Evening Temperature: 63°F
A mix of cloudy and clear skies. Windy at times.





 

  [ Local Weather Report ]
Lewistown, MT 
 
Livingston, MT 
10:53 AM  41°F
Overcast
 
Laurel, MT 
10:55 AM  39°F
Overcast
 
Billings, MT 
10:53 AM  39°F
Overcast
 
Bozeman, MT 
10:56 AM  41°F
Overcast
 
Lockwood, MT 
 
Malmstrom, MT 
10:55 AM  45°F
Overcast
 
East Helena, MT 
10:53 AM  45°F
Overcast
 
Black Eagle, MT 
10:55 AM  45°F
Overcast
 
Great Falls, MT 
10:53 AM  46°F
Mostly Cloudy

 
This WeatherCity Weather Forecast for Harlowton, Montana, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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