Rainbow Lake, MT 14 Day Weather

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Rainbow Lake, MT Weather - 14-Day Weather Forecast

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Rainbow Lake MT Weather - Sunny - 65°F
Sunny
65°F
Updated 11:03 am
Feels Like 52°F
Humidity 35%
Wind N/A N/A mph
Barometer  30.11 in
Dew Point 37°F
Rainbow Lake MT Weather - Sunny - 18°C
Sunny
18°C
Updated 11:03 am
Feels Like 11°C
Humidity 35%
Wind N/A 0 km/h
Barometer  102 kPa
Dew Point 3°C
Rainbow Lake, MT Weather and Current Conditionsrainbow lake mt weather forecast

Rainbow Lake, MT Weather Forecast

Rainbow Lake Montana WeatherRainbow Lake, Montana Weather Weather Forecast
14 Day API Rainbow Lake Weather Forecast. Note: Our 7 day Rainbow Lake weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Rainbow Lake, MT Weather Forecast Dated: 1103 AM Sun Sep 13 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Sunday, September 13, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-13 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Rainbow Lake Weather - 2026-09-13 - Afternoon - Sunny
65°F 19°C
Sunny
Early-Evening
Rainbow Lake Weather - 2026-09-13 - Evening - Sunny
54°F 13°C
Sunny
Refreshing around 65°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the SSE to the SSW at 12 mph 18 km/h. Gusts up to 24 mph 39 km/h.

Monday, September 14, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-14 - Morning - Sunny
37°F 3°C
Sunny
Mid-Afternoon
Rainbow Lake Weather - 2026-09-14 - Afternoon - Overcast
55°F 13°C
Overcast
Early-Evening
Rainbow Lake Weather - 2026-09-14 - Evening - Partly Cloudy
46°F 8°C
Partly Cloudy
Cool and brisk at 55°F 13°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the SW to the NNW at 8 mph 12 km/h.

Tuesday, September 15, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-15 - Morning - Sunny
43°F 6°C
Sunny
Mid-Afternoon
Rainbow Lake Weather - 2026-09-15 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Rainbow Lake Weather - 2026-09-15 - Evening - Partly Cloudy
53°F 12°C
Partly Cloudy
Comfortable at 62°F 17°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the SE to the SW at 5 mph 8 km/h.

Wednesday, September 16, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-16 - Morning - Sunny
44°F 7°C
Sunny
Mid-Afternoon
Rainbow Lake Weather - 2026-09-16 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Rainbow Lake Weather - 2026-09-16 - Evening - Sunny
57°F 14°C
Sunny
Mild temperatures up to 69°F 21°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the ENE to the NNW at 6 mph 9 km/h.

Thursday, September 17, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-17 - Morning - Cloudy
53°F 11°C
Cloudy
Mid-Afternoon
Rainbow Lake Weather - 2026-09-17 - Afternoon - Overcast
69°F 20°C
Overcast
Early-Evening
Rainbow Lake Weather - 2026-09-17 - Evening - Overcast
59°F 15°C
Overcast
Mild with a high of 69°F 20°C, cloudy in the morning, becoming overcast through the afternoon and evening, with increasing humidity and barometric pressure falling. Winds blowing from the WSW at 12 mph 19 km/h.

Friday, September 18, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-18 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Rainbow Lake Weather - 2026-09-18 - Afternoon - Cloudy
70°F 21°C
Cloudy
Early-Evening
Rainbow Lake Weather - 2026-09-18 - Evening - Sunny
59°F 15°C
Sunny
Pleasant near 70°F 21°C, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the SSE to the S at 6 mph 10 km/h.

Saturday, September 19, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-19 - Morning - Overcast
49°F 10°C
Overcast
Mid-Afternoon
Rainbow Lake Weather - 2026-09-19 - Afternoon - Overcast
63°F 17°C
Overcast
Early-Evening
Rainbow Lake Weather - 2026-09-19 - Evening - Nearby Thunderstorms
49°F 9°C
Nearby Thunderstorms
Comfortable at 63°F 17°C, periods of heavy thunderstorms, with increasing humidity and steady pressure.

Sunday, September 20, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-20 - Morning - Overcast
45°F 7°C
Overcast
Mid-Afternoon
Rainbow Lake Weather - 2026-09-20 - Afternoon - Scattered Showers
58°F 14°C
Scattered Showers
Early-Evening
Rainbow Lake Weather - 2026-09-20 - Evening - Scattered Showers
51°F 10°C
Scattered Showers
Cool with a high near 58°F 14°C, scattered downpours possible, with lower humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-21 - Morning - Sunny
47°F 8°C
Sunny
Mid-Afternoon
Rainbow Lake Weather - 2026-09-21 - Afternoon - Sunny
67°F 19°C
Sunny
Early-Evening
Rainbow Lake Weather - 2026-09-21 - Evening - Partly Cloudy
57°F 14°C
Partly Cloudy
Refreshing around 67°F 19°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling.

Tuesday, September 22, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-22 - Morning - Sunny
51°F 10°C
Sunny
Mid-Afternoon
Rainbow Lake Weather - 2026-09-22 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Rainbow Lake Weather - 2026-09-22 - Evening - Sunny
61°F 16°C
Sunny
Mild with a high of 73°F 23°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Wednesday, September 23, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-23 - Morning - Overcast
53°F 12°C
Overcast
Mid-Afternoon
Rainbow Lake Weather - 2026-09-23 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Rainbow Lake Weather - 2026-09-23 - Evening - Partly Cloudy
62°F 17°C
Partly Cloudy
Pleasant near 75°F 24°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the SE to the S at 9 mph 14 km/h.

Thursday, September 24, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-24 - Morning - Overcast
53°F 12°C
Overcast
Mid-Afternoon
Rainbow Lake Weather - 2026-09-24 - Afternoon - Light Showers
54°F 12°C
Light Showers
Early-Evening
Rainbow Lake Weather - 2026-09-24 - Evening - Overcast
47°F 9°C
Overcast
Crisp with a high near 54°F 12°C, dry early, with showers developing in the afternoon, with increasing humidity and steady pressure. Winds blowing from the SSW at 12 mph 19 km/h.

Friday, September 25, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-25 - Morning - Sunny
45°F 7°C
Sunny
Mid-Afternoon
Rainbow Lake Weather - 2026-09-25 - Afternoon - Overcast
63°F 17°C
Overcast
Early-Evening
Rainbow Lake Weather - 2026-09-25 - Evening - Overcast
54°F 12°C
Overcast
Refreshing around 63°F 17°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds SW at 15 mph 25 km/h.

Saturday, September 26, 2026

Mid-Morning
Rainbow Lake Weather - 2026-09-26 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Rainbow Lake Weather - 2026-09-26 - Afternoon - Overcast
63°F 17°C
Overcast
Early-Evening
Rainbow Lake Weather - 2026-09-26 - Evening - Overcast
54°F 13°C
Overcast
Mildly cool near 63°F 17°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds shifting from the SSE to the S at 7 mph 11 km/h.

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Weather by the Numbers

Sun, 13th
Rainbow Lake MT Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 66°F 19°C
Lo: 40°F 4°C
Sunrise 06:59 AM
Sunset 07:37 PM
Wind SW 19 mph30 km/h
Dew Point 27°F-3°C
uv Index 5
Barometric Pressure 29.77 in1008 mb
POP 0% *
Humidity 24%
Mon, 14th
Rainbow Lake MT Weather - Monday, Sep 14, 2026 - Cloudy
Hi: 56°F 13°C
Lo: 32°F 0°C
Sunrise 07:01 AM
Sunset 07:36 PM
Wind SW 11 mph18 km/h
Dew Point 23°F-5°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 7% *
Humidity 40%
Tue, 15th
Rainbow Lake MT Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 63°F 17°C
Lo: 32°F -0°C
Sunrise 07:02 AM
Sunset 07:34 PM
Wind SSW 7 mph12 km/h
Dew Point 22°F-5°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 26%
Wed, 16th
Rainbow Lake MT Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 69°F 21°C
Lo: 32°F 0°C
Sunrise 07:03 AM
Sunset 07:32 PM
Wind SE 1 mph1 km/h
Dew Point 25°F-4°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 0% *
Humidity 23%
Thu, 17th
Rainbow Lake MT Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 71°F 22°C
Lo: 41°F 5°C
Sunrise 07:04 AM
Sunset 07:30 PM
Wind SSE 4 mph7 km/h
Dew Point 34°F1°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 9% *
Humidity 28%
Fri, 18th
Rainbow Lake MT Weather - Friday, Sep 18, 2026 - Sunny
Hi: 70°F 21°C
Lo: 46°F 8°C
Sunrise 07:05 AM
Sunset 07:28 PM
Wind SW 7 mph12 km/h
Dew Point 34°F1°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 29%
Sat, 19th
Rainbow Lake MT Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 63°F 17°C
Lo: 40°F 4°C
Sunrise 07:07 AM
Sunset 07:26 PM
Wind W 4 mph6 km/h
Dew Point 25°F-4°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 9% *
Humidity 26%
Sun, 20th
Rainbow Lake MT Weather - Sunday, Sep 20, 2026 - Patchy Rain Nearby
Hi: 58°F 14°C
Lo: 39°F 4°C
Sunrise 07:08 AM
Sunset 07:24 PM
Wind N 5 mph8 km/h
Dew Point 38°F4°C
uv Index 3
Barometric Pressure 30.03 in1017 mb
POP 20% *
Humidity 60%
Mon, 21st
Rainbow Lake MT Weather - Monday, Sep 21, 2026 - Sunny
Hi: 67°F 19°C
Lo: 38°F 4°C
Sunrise 07:09 AM
Sunset 07:22 PM
Wind NNE 2 mph3 km/h
Dew Point 33°F1°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 33%
Tue, 22nd
Rainbow Lake MT Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 73°F 23°C
Lo: 41°F 5°C
Sunrise 07:10 AM
Sunset 07:20 PM
Wind NNE 1 mph1 km/h
Dew Point 29°F-2°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 0% *
Humidity 23%
Wed, 23rd
Rainbow Lake MT Weather - Wednesday, Sep 23, 2026 - Cloudy
Hi: 75°F 24°C
Lo: 43°F 6°C
Sunrise 07:11 AM
Sunset 07:18 PM
Wind S 4 mph7 km/h
Dew Point 27°F-3°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 6% *
Humidity 19%
Thu, 24th
Rainbow Lake MT Weather - Thursday, Sep 24, 2026 - Light Rain Shower
Hi: 60°F 15°C
Lo: 42°F 6°C
Sunrise 07:13 AM
Sunset 07:16 PM
Wind SW 12 mph19 km/h
Dew Point 41°F5°C
uv Index 4
Barometric Pressure 29.85 in1011 mb
POP 36% *
Humidity 50%
Fri, 25th
Rainbow Lake MT Weather - Friday, Sep 25, 2026 - Partly Cloudy
Hi: 63°F 17°C
Lo: 37°F 3°C
Sunrise 07:14 AM
Sunset 07:14 PM
Wind SW 11 mph17 km/h
Dew Point 32°F-0°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 3% *
Humidity 34%
Sat, 26th
Rainbow Lake MT Weather - Saturday, Sep 26, 2026 - Overcast
Hi: 63°F 17°C
Lo: 42°F 5°C
Sunrise 07:15 AM
Sunset 07:13 PM
Wind SW 10 mph17 km/h
Dew Point 23°F-5°C
uv Index 4
Barometric Pressure 29.83 in1010 mb
POP 9% *
Humidity 23%
* POP = Probability of Precipitation. Data for 12:00 PM.