Mason Lake, MT 14 Day Weather

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Mason Lake, MT Weather - 14-Day Weather Forecast

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Mason Lake MT Weather - Clear - 46°F
Clear
46°F
Updated 10:38 am
Feels Like 40°F
Humidity 52%
Wind N 0 mph
Barometer  30.22 in
Dew Point 30°F
Mason Lake MT Weather - Clear - 8°C
Clear
8°C
Updated 10:38 am
Feels Like 5°C
Humidity 52%
Wind N 0 km/h
Barometer  102.3 kPa
Dew Point -1°C
Mason Lake, MT Weather and Current Conditionsmason lake mt weather forecast

Mason Lake, MT Weather Forecast

Mason Lake Montana WeatherMason Lake, Montana Weather Weather Forecast
14 day API Mason Lake weather forecast. Note. Our 7-day Mason Lake weather forecast is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Mason Lake, MT Weather Forecast Dated: 1038 AM Sun Oct 18 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Sunday, October 18, 2026

Mid-Morning
Mason Lake Weather - 2026-10-18 - Morning - Partly Cloudy
42°F 6°C
Partly Cloudy
Mid-Afternoon
Mason Lake Weather - 2026-10-18 - Afternoon - Overcast
55°F 13°C
Overcast
Early-Evening
Mason Lake Weather - 2026-10-18 - Evening - Sunny
46°F 8°C
Sunny
Brisk around 55°F 13°C, partly cloudy in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure.

Monday, October 19, 2026

Mid-Morning
Mason Lake Weather - 2026-10-19 - Morning - Sunny
43°F 6°C
Sunny
Mid-Afternoon
Mason Lake Weather - 2026-10-19 - Afternoon - Partly Cloudy
57°F 14°C
Partly Cloudy
Early-Evening
Mason Lake Weather - 2026-10-19 - Evening - Sunny
47°F 8°C
Sunny
Cool and brisk at 57°F 14°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the S to the SE at 5 mph 7 km/h.

Tuesday, October 20, 2026

Mid-Morning
Mason Lake Weather - 2026-10-20 - Morning - Overcast
43°F 6°C
Overcast
Mid-Afternoon
Mason Lake Weather - 2026-10-20 - Afternoon - Partly Cloudy
57°F 14°C
Partly Cloudy
Early-Evening
Mason Lake Weather - 2026-10-20 - Evening - Partly Cloudy
47°F 9°C
Partly Cloudy
Chilly near 57°F 14°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure.

Wednesday, October 21, 2026

Mid-Morning
Mason Lake Weather - 2026-10-21 - Morning - Cloudy
43°F 6°C
Cloudy
Mid-Afternoon
Mason Lake Weather - 2026-10-21 - Afternoon - Partly Cloudy
54°F 12°C
Partly Cloudy
Early-Evening
Mason Lake Weather - 2026-10-21 - Evening - Sunny
47°F 8°C
Sunny
Crisp with a high near 54°F 12°C, cloudy through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the SSW to the S at 5 mph 8 km/h.

Thursday, October 22, 2026

Mid-Morning
Mason Lake Weather - 2026-10-22 - Morning - Partly Cloudy
45°F 7°C
Partly Cloudy
Mid-Afternoon
Mason Lake Weather - 2026-10-22 - Afternoon - Cloudy
58°F 15°C
Cloudy
Early-Evening
Mason Lake Weather - 2026-10-22 - Evening - Sunny
50°F 10°C
Sunny
Refreshing around 58°F 15°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds SW at 18 mph 29 km/h.

Friday, October 23, 2026

Mid-Morning
Mason Lake Weather - 2026-10-23 - Morning - Light Sleet
41°F 5°C
Light Sleet
Mid-Afternoon
Mason Lake Weather - 2026-10-23 - Afternoon - Overcast
46°F 8°C
Overcast
Early-Evening
Mason Lake Weather - 2026-10-23 - Evening - Partly Cloudy
34°F 1°C
Partly Cloudy
Cool and brisk at 46°F 8°C, morning sleet, giving way to clearing skies, with steady humidity and barometric pressure rising.

Saturday, October 24, 2026

Mid-Morning
Mason Lake Weather - 2026-10-24 - Morning - Sunny
30°F -1°C
Sunny
Mid-Afternoon
Mason Lake Weather - 2026-10-24 - Afternoon - Overcast
43°F 6°C
Overcast
Early-Evening
Mason Lake Weather - 2026-10-24 - Evening - Cloudy
37°F 3°C
Cloudy
Nippy around 43°F 6°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling.

Sunday, October 25, 2026

Mid-Morning
Mason Lake Weather - 2026-10-25 - Morning - Overcast
35°F 2°C
Overcast
Mid-Afternoon
Mason Lake Weather - 2026-10-25 - Afternoon - Sunny
49°F 10°C
Sunny
Early-Evening
Mason Lake Weather - 2026-10-25 - Evening - Overcast
40°F 4°C
Overcast
Crisp with a high near 49°F 10°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds swinging from the SSW to the SSE at 5 mph 7 km/h.

Monday, October 26, 2026

Mid-Morning
Mason Lake Weather - 2026-10-26 - Morning - Overcast
32°F 0°C
Overcast
Mid-Afternoon
Mason Lake Weather - 2026-10-26 - Afternoon - Cloudy
44°F 7°C
Cloudy
Early-Evening
Mason Lake Weather - 2026-10-26 - Evening - Sunny
33°F 1°C
Sunny
Cold with a high near 44°F 7°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.

Tuesday, October 27, 2026

Mid-Morning
Mason Lake Weather - 2026-10-27 - Morning - Heavy Snow
30°F -1°C
Heavy Snow
Mid-Afternoon
Mason Lake Weather - 2026-10-27 - Afternoon - Heavy Snow & Thunder
28°F -2°C
Heavy Snow & Thunder
Early-Evening
Mason Lake Weather - 2026-10-27 - Evening - Snow
26°F -4°C
Snow
Freezing near 28°F -2°C, rounds of snow expected off and on all day, with steady humidity and barometric pressure rising. New snow accumulation of 3 to 6 in. 8 to 15 cm. Winds shifting from the SSW to the WSW at 7 mph 11 km/h. Gusts up to 22 mph 35 km/h.

Wednesday, October 28, 2026

Mid-Morning
Mason Lake Weather - 2026-10-28 - Morning - Sunny
21°F -6°C
Sunny
Mid-Afternoon
Mason Lake Weather - 2026-10-28 - Afternoon - Sunny
35°F 1°C
Sunny
Early-Evening
Mason Lake Weather - 2026-10-28 - Evening - Sunny
26°F -4°C
Sunny
Biting cold near 35°F 1°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the W to the SSW at 3 mph 5 km/h.

Thursday, October 29, 2026

Mid-Morning
Mason Lake Weather - 2026-10-29 - Morning - Light Snow
29°F -2°C
Light Snow
Mid-Afternoon
Mason Lake Weather - 2026-10-29 - Afternoon - Heavy Snow & Thunder
28°F -2°C
Heavy Snow & Thunder
Early-Evening
Mason Lake Weather - 2026-10-29 - Evening - Heavy Snow
17°F -9°C
Heavy Snow
Frigid with highs around 28°F -2°C, on-and-off snow throughout the day, with increasing humidity and barometric pressure rising. New snow accumulation of 2 to 5 in. 5 to 13 cm.

Friday, October 30, 2026

Mid-Morning
Mason Lake Weather - 2026-10-30 - Morning - Sunny
5°F -15°C
Sunny
Mid-Afternoon
Mason Lake Weather - 2026-10-30 - Afternoon - Partly Cloudy
17°F -8°C
Partly Cloudy
Early-Evening
Mason Lake Weather - 2026-10-30 - Evening - Partly Cloudy
11°F -12°C
Partly Cloudy
Freezing near 17°F -8°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling.

Saturday, October 31, 2026

Mid-Morning
Mason Lake Weather - 2026-10-31 - Morning - Sunny
13°F -10°C
Sunny
Mid-Afternoon
Mason Lake Weather - 2026-10-31 - Afternoon - Sunny
27°F -3°C
Sunny
Early-Evening
Mason Lake Weather - 2026-10-31 - Evening - Sunny
20°F -7°C
Sunny
Freezing temperatures near 27°F -3°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds out of the SW at 8 mph 12 km/h.

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Weather by the Numbers

Sun, 18th
Mason Lake MT Weather - Sunday, Oct 18, 2026 - Overcast
Hi: 55°F 13°C
Lo: 38°F 4°C
Sunrise 07:49 AM
Sunset 06:36 PM
Wind SW 5 mph8 km/h
Dew Point 22°F-5°C
uv Index 3
Barometric Pressure 30.03 in1017 mb
POP 8% *
Humidity 31%
Mon, 19th
Mason Lake MT Weather - Monday, Oct 19, 2026 - Sunny
Hi: 57°F 14°C
Lo: 39°F 4°C
Sunrise 07:50 AM
Sunset 06:35 PM
Wind SSW 8 mph13 km/h
Dew Point 22°F-6°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 30%
Tue, 20th
Mason Lake MT Weather - Tuesday, Oct 20, 2026 - Overcast
Hi: 57°F 14°C
Lo: 39°F 4°C
Sunrise 07:51 AM
Sunset 06:33 PM
Wind SSW 4 mph6 km/h
Dew Point 32°F-0°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 11% *
Humidity 44%
Wed, 21st
Mason Lake MT Weather - Wednesday, Oct 21, 2026 - Patchy Rain Nearby
Hi: 55°F 13°C
Lo: 40°F 4°C
Sunrise 07:53 AM
Sunset 06:31 PM
Wind SSW 8 mph13 km/h
Dew Point 37°F3°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 14% *
Humidity 59%
Thu, 22nd
Mason Lake MT Weather - Thursday, Oct 22, 2026 - Sunny
Hi: 58°F 15°C
Lo: 41°F 5°C
Sunrise 07:54 AM
Sunset 06:30 PM
Wind SSW 13 mph21 km/h
Dew Point 33°F1°C
uv Index 4
Barometric Pressure 29.85 in1011 mb
POP 1% *
Humidity 42%
Fri, 23rd
Mason Lake MT Weather - Friday, Oct 23, 2026 - Patchy Rain Nearby
Hi: 46°F 8°C
Lo: 28°F -2°C
Sunrise 07:55 AM
Sunset 06:28 PM
Wind N 4 mph7 km/h
Dew Point 35°F2°C
uv Index 2
Barometric Pressure 29.91 in1013 mb
POP 24% *
Humidity 73%
Sat, 24th
Mason Lake MT Weather - Saturday, Oct 24, 2026 - Overcast
Hi: 43°F 6°C
Lo: 25°F -4°C
Sunrise 07:57 AM
Sunset 06:26 PM
Wind SSW 6 mph10 km/h
Dew Point 26°F-4°C
uv Index 1
Barometric Pressure 30.27 in1025 mb
POP 14% *
Humidity 58%
Sun, 25th
Mason Lake MT Weather - Sunday, Oct 25, 2026 - Overcast
Hi: 49°F 10°C
Lo: 33°F 0°C
Sunrise 07:58 AM
Sunset 06:25 PM
Wind SSW 8 mph13 km/h
Dew Point 19°F-7°C
uv Index 2
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 36%
Mon, 26th
Mason Lake MT Weather - Monday, Oct 26, 2026 - Overcast
Hi: 44°F 7°C
Lo: 31°F -1°C
Sunrise 07:59 AM
Sunset 06:23 PM
Wind SE 4 mph7 km/h
Dew Point 23°F-5°C
uv Index 2
Barometric Pressure 29.88 in1012 mb
POP 12% *
Humidity 48%
Tue, 27th
Mason Lake MT Weather - Tuesday, Oct 27, 2026 - Moderate Or Heavy Snow In Area With Thunder
Hi: 33°F 1°C
Lo: 25°F -4°C
Sunrise 08:01 AM
Sunset 06:22 PM
Wind SSW 10 mph16 km/h
Dew Point 29°F-2°C
uv Index 1
Barometric Pressure 29.77 in1008 mb
POP 71% *
Humidity 89%
Wed, 28th
Mason Lake MT Weather - Wednesday, Oct 28, 2026 - Sunny
Hi: 35°F 1°C
Lo: 19°F -7°C
Sunrise 08:02 AM
Sunset 06:20 PM
Wind WSW 9 mph14 km/h
Dew Point 22°F-6°C
uv Index 2
Barometric Pressure 29.91 in1013 mb
POP 7% *
Humidity 71%
Thu, 29th
Mason Lake MT Weather - Thursday, Oct 29, 2026 - Light Snow
Hi: 32°F 0°C
Lo: 11°F -12°C
Sunrise 08:03 AM
Sunset 06:18 PM
Wind SSW 5 mph9 km/h
Dew Point 22°F-5°C
uv Index 1
Barometric Pressure 29.65 in1004 mb
POP 20% *
Humidity 66%
Fri, 30th
Mason Lake MT Weather - Friday, Oct 30, 2026 - Partly Cloudy
Hi: 17°F -8°C
Lo: 2°F -16°C
Sunrise 08:05 AM
Sunset 06:17 PM
Wind WSW 5 mph8 km/h
Dew Point 11°F-12°C
uv Index 2
Barometric Pressure 30.36 in1028 mb
POP 16% *
Humidity 83%
Sat, 31st
Mason Lake MT Weather - Saturday, Oct 31, 2026 - Sunny
Hi: 27°F -3°C
Lo: 9°F -13°C
Sunrise 08:06 AM
Sunset 06:16 PM
Wind WSW 6 mph10 km/h
Dew Point 18°F-8°C
uv Index 2
Barometric Pressure 30.21 in1023 mb
POP 10% *
Humidity 79%
* POP = Probability of Precipitation. Data for 12:00 PM.