Erratic Lake, MT 14 Day Weather

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Erratic Lake, MT Weather - 14-Day Weather Forecast

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Erratic Lake MT Weather - Clear - 57°F
Clear
57°F
Updated 11:40 pm
Feels Like 32°F
Humidity 38%
Wind WSW 24 mph
Barometer  30.09 in
Dew Point 32°F
Erratic Lake MT Weather - Clear - 14°C
Clear
14°C
Updated 11:40 pm
Feels Like 0°C
Humidity 38%
Wind WSW 39 km/h
Barometer  101.9 kPa
Dew Point 0°C
Erratic Lake, MT Weather and Current Conditionserratic lake mt weather forecast

Erratic Lake, MT Weather Forecast

Erratic Lake Montana WeatherErratic Lake, Montana Weather Weather Forecast
14 day API forecast for Erratic Lake. Note. The 7-day Erratic Lake weather forecast is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Erratic Lake, MT Weather Forecast Dated: 1140 PM Mon Sep 07 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.

Monday, September 7, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-07 - Morning - Scattered Showers
45°F 7°C
Scattered Showers
Mid-Afternoon
Erratic Lake Weather - 2026-09-07 - Afternoon - Sunny
49°F 10°C
Sunny
Early-Evening
Erratic Lake Weather - 2026-09-07 - Evening - Sunny
45°F 7°C
Sunny
Brisk around 49°F 10°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds out of the WSW at 15 mph 25 km/h. Gusts up to 27 mph 44 km/h.

Tuesday, September 8, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-08 - Morning - Sunny
44°F 7°C
Sunny
Mid-Afternoon
Erratic Lake Weather - 2026-09-08 - Afternoon - Partly Cloudy
55°F 13°C
Partly Cloudy
Early-Evening
Erratic Lake Weather - 2026-09-08 - Evening - Scattered Showers
43°F 6°C
Scattered Showers
Cool and brisk at 55°F 13°C, scattered downpours possible, with increasing humidity and steady pressure. Winds blowing from the WSW at 17 mph 27 km/h.

Wednesday, September 9, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-09 - Morning - Sunny
49°F 9°C
Sunny
Mid-Afternoon
Erratic Lake Weather - 2026-09-09 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Erratic Lake Weather - 2026-09-09 - Evening - Sunny
53°F 11°C
Sunny
Comfortable at 61°F 16°C, sunny throughout the day, with steady humidity and steady pressure. Winds WNW at 14 mph 23 km/h.

Thursday, September 10, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-10 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Erratic Lake Weather - 2026-09-10 - Afternoon - Overcast
65°F 18°C
Overcast
Early-Evening
Erratic Lake Weather - 2026-09-10 - Evening - Overcast
56°F 14°C
Overcast
Cool with a high near 65°F 18°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds out of the SW at 13 mph 21 km/h.

Friday, September 11, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-11 - Morning - Cloudy
52°F 11°C
Cloudy
Mid-Afternoon
Erratic Lake Weather - 2026-09-11 - Afternoon - Overcast
61°F 16°C
Overcast
Early-Evening
Erratic Lake Weather - 2026-09-11 - Evening - Nearby Thunderstorms
39°F 4°C
Nearby Thunderstorms
Refreshing around 61°F 16°C, locally heavy thunderstorms at times, with increasing humidity and barometric pressure rising. Winds shifting from the SW to the E at 6 mph 10 km/h.

Saturday, September 12, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-12 - Morning - Overcast
44°F 7°C
Overcast
Mid-Afternoon
Erratic Lake Weather - 2026-09-12 - Afternoon - Light Showers
49°F 10°C
Light Showers
Early-Evening
Erratic Lake Weather - 2026-09-12 - Evening - Light Showers
42°F 6°C
Light Showers
Cool and brisk at 49°F 10°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and steady pressure.

Sunday, September 13, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-13 - Morning - Partly Cloudy
41°F 5°C
Partly Cloudy
Mid-Afternoon
Erratic Lake Weather - 2026-09-13 - Afternoon - Scattered Showers
44°F 6°C
Scattered Showers
Early-Evening
Erratic Lake Weather - 2026-09-13 - Evening - Light Sleet Showers
39°F 4°C
Light Sleet Showers
Nippy around 44°F 6°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds WSW at 18 mph 29 km/h.

Monday, September 14, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-14 - Morning - Light Snow Showers
35°F 1°C
Light Snow Showers
Mid-Afternoon
Erratic Lake Weather - 2026-09-14 - Afternoon - Partly Cloudy
45°F 7°C
Partly Cloudy
Early-Evening
Erratic Lake Weather - 2026-09-14 - Evening - Sunny
42°F 6°C
Sunny
Crisp with a high near 45°F 7°C, scattered morning snow before drying out later, with lower humidity and steady pressure. Winds switching from the WSW to the SW at 5 mph 9 km/h.

Tuesday, September 15, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-15 - Morning - Sunny
41°F 5°C
Sunny
Mid-Afternoon
Erratic Lake Weather - 2026-09-15 - Afternoon - Partly Cloudy
50°F 10°C
Partly Cloudy
Early-Evening
Erratic Lake Weather - 2026-09-15 - Evening - Overcast
40°F 5°C
Overcast
Brisk around 50°F 10°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-16 - Morning - Sunny
45°F 7°C
Sunny
Mid-Afternoon
Erratic Lake Weather - 2026-09-16 - Afternoon - Sunny
56°F 13°C
Sunny
Early-Evening
Erratic Lake Weather - 2026-09-16 - Evening - Cloudy
58°F 15°C
Cloudy
Cool and brisk at 56°F 13°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling.

Thursday, September 17, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-17 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Erratic Lake Weather - 2026-09-17 - Afternoon - Scattered Showers
62°F 16°C
Scattered Showers
Early-Evening
Erratic Lake Weather - 2026-09-17 - Evening - Scattered Showers
57°F 14°C
Scattered Showers
Comfortable at 62°F 16°C, scattered downpours possible, with increasing humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-18 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Erratic Lake Weather - 2026-09-18 - Afternoon - Cloudy
59°F 15°C
Cloudy
Early-Evening
Erratic Lake Weather - 2026-09-18 - Evening - Overcast
49°F 10°C
Overcast
Cool with a high near 59°F 15°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds moving from the SSW to the N at 6 mph 9 km/h.

Saturday, September 19, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-19 - Morning - Partly Cloudy
38°F 3°C
Partly Cloudy
Mid-Afternoon
Erratic Lake Weather - 2026-09-19 - Afternoon - Sunny
50°F 10°C
Sunny
Early-Evening
Erratic Lake Weather - 2026-09-19 - Evening - Sunny
45°F 8°C
Sunny
Brisk around 50°F 10°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.

Sunday, September 20, 2026

Mid-Morning
Erratic Lake Weather - 2026-09-20 - Morning - Cloudy
54°F 12°C
Cloudy
Mid-Afternoon
Erratic Lake Weather - 2026-09-20 - Afternoon - Overcast
69°F 21°C
Overcast
Early-Evening
Erratic Lake Weather - 2026-09-20 - Evening - Sunny
61°F 16°C
Sunny
Mild temperatures up to 69°F 21°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds WSW at 9 mph 14 km/h.

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Weather by the Numbers

Mon, 7th
Erratic Lake MT Weather - Monday, Sep 7, 2026 - Sunny
Hi: 50°F 10°C
Lo: 40°F 4°C
Sunrise 06:48 AM
Sunset 07:45 PM
Wind WSW 16 mph26 km/h
Dew Point 23°F-5°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 35%
Tue, 8th
Erratic Lake MT Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 55°F 13°C
Lo: 35°F 2°C
Sunrise 06:49 AM
Sunset 07:43 PM
Wind SW 10 mph16 km/h
Dew Point 20°F-7°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 27%
Wed, 9th
Erratic Lake MT Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 61°F 16°C
Lo: 38°F 3°C
Sunrise 06:51 AM
Sunset 07:42 PM
Wind WSW 8 mph13 km/h
Dew Point 20°F-7°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 0% *
Humidity 24%
Thu, 10th
Erratic Lake MT Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 65°F 18°C
Lo: 44°F 7°C
Sunrise 06:52 AM
Sunset 07:40 PM
Wind SW 12 mph19 km/h
Dew Point 23°F-5°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 22%
Fri, 11th
Erratic Lake MT Weather - Friday, Sep 11, 2026 - Overcast
Hi: 61°F 16°C
Lo: 33°F 1°C
Sunrise 06:53 AM
Sunset 07:38 PM
Wind SW 4 mph6 km/h
Dew Point 30°F-1°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 10% *
Humidity 37%
Sat, 12th
Erratic Lake MT Weather - Saturday, Sep 12, 2026 - Light Rain Shower
Hi: 49°F 10°C
Lo: 31°F -0°C
Sunrise 06:54 AM
Sunset 07:36 PM
Wind SW 1 mph2 km/h
Dew Point 36°F2°C
uv Index 2
Barometric Pressure 29.88 in1012 mb
POP 39% *
Humidity 58%
Sun, 13th
Erratic Lake MT Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 44°F 6°C
Lo: 33°F 0°C
Sunrise 06:55 AM
Sunset 07:34 PM
Wind SW 12 mph19 km/h
Dew Point 22°F-5°C
uv Index 1
Barometric Pressure 29.94 in1014 mb
POP 10% *
Humidity 49%
Mon, 14th
Erratic Lake MT Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 46°F 8°C
Lo: 31°F -1°C
Sunrise 06:57 AM
Sunset 07:32 PM
Wind WSW 8 mph13 km/h
Dew Point 31°F-1°C
uv Index 1
Barometric Pressure 30.15 in1021 mb
POP 15% *
Humidity 68%
Tue, 15th
Erratic Lake MT Weather - Tuesday, Sep 15, 2026 - Partly Cloudy
Hi: 50°F 10°C
Lo: 33°F 1°C
Sunrise 06:58 AM
Sunset 07:30 PM
Wind NE 6 mph9 km/h
Dew Point 31°F-0°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 4% *
Humidity 53%
Wed, 16th
Erratic Lake MT Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 62°F 17°C
Lo: 35°F 1°C
Sunrise 06:59 AM
Sunset 07:28 PM
Wind NNE 5 mph8 km/h
Dew Point 29°F-1°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 1% *
Humidity 40%
Thu, 17th
Erratic Lake MT Weather - Thursday, Sep 17, 2026 - Cloudy
Hi: 67°F 20°C
Lo: 52°F 11°C
Sunrise 07:00 AM
Sunset 07:26 PM
Wind NE 5 mph8 km/h
Dew Point 38°F3°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 6% *
Humidity 34%
Fri, 18th
Erratic Lake MT Weather - Friday, Sep 18, 2026 - Sunny
Hi: 59°F 15°C
Lo: 38°F 3°C
Sunrise 07:02 AM
Sunset 07:24 PM
Wind WSW 5 mph8 km/h
Dew Point 31°F-1°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 38%
Sat, 19th
Erratic Lake MT Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 50°F 10°C
Lo: 32°F 0°C
Sunrise 07:03 AM
Sunset 07:22 PM
Wind NNE 5 mph8 km/h
Dew Point 28°F-2°C
uv Index 3
Barometric Pressure 30.18 in1022 mb
POP 2% *
Humidity 48%
Sun, 20th
Erratic Lake MT Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 69°F 21°C
Lo: 45°F 7°C
Sunrise 07:04 AM
Sunset 07:20 PM
Wind SW 8 mph13 km/h
Dew Point 25°F-4°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 9% *
Humidity 22%
* POP = Probability of Precipitation. Data for 12:00 PM.