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Sidney MT Weather - Overcast - 44°F
Overcast
44°F
Updated 5:44 pm
Feels Like 31°F
Humidity 54%
Wind ESE 13 mph
Barometer  30.23 in
Dew Point 29°F
Sidney MT Weather - Overcast - 7°C
Overcast
7°C
Updated 5:44 pm
Feels Like -1°C
Humidity 54%
Wind ESE 21 km/h
Barometer  102.3 kPa
Dew Point -2°C
Sidney, MT Weather and Current Conditionssidney mt weather forecast

Sidney, MT Weather Forecast

Sidney Montana WeatherSidney, Montana Weather Weather Forecast
14 Day API Sidney, MT Weather Forecast. Note: Our 7 day Sidney, Montana 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.
Sidney, MT Weather Forecast Dated: 544 PM Mon Oct 26 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Monday, October 26, 2026

Mid-Morning
Sidney Weather - 2026-10-26 - Morning - Cloudy
36°F 2°C
Cloudy
Mid-Afternoon
Sidney Weather - 2026-10-26 - Afternoon - Overcast
43°F 6°C
Overcast
Early-Evening
Sidney Weather - 2026-10-26 - Evening - Overcast
39°F 4°C
Overcast
Nippy around 43°F 6°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds turning from the ESE to the SE at 14 mph 23 km/h. Gusts up to 25 mph 40 km/h.

Tuesday, October 27, 2026

Mid-Morning
Sidney Weather - 2026-10-27 - Morning - Scattered Showers
36°F 2°C
Scattered Showers
Mid-Afternoon
Sidney Weather - 2026-10-27 - Afternoon - Scattered Showers
39°F 4°C
Scattered Showers
Early-Evening
Sidney Weather - 2026-10-27 - Evening - Partly Cloudy
36°F 3°C
Partly Cloudy
Biting cold near 39°F 4°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the ESE to the SW at 7 mph 11 km/h.

Wednesday, October 28, 2026

Mid-Morning
Sidney Weather - 2026-10-28 - Morning - Sunny
40°F 4°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-10-28 - Afternoon - Sunny
52°F 11°C
Sunny
Early-Evening
Sidney Weather - 2026-10-28 - Evening - Clear
41°F 5°C
Clear
Chilly near 52°F 11°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the W to the NW at 5 mph 8 km/h.

Thursday, October 29, 2026

Mid-Morning
Sidney Weather - 2026-10-29 - Morning - Cloudy
36°F 2°C
Cloudy
Mid-Afternoon
Sidney Weather - 2026-10-29 - Afternoon - Sunny
48°F 9°C
Sunny
Early-Evening
Sidney Weather - 2026-10-29 - Evening - Clear
38°F 3°C
Clear
Crisp with a high near 48°F 9°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the NE to the N at 6 mph 10 km/h.

Friday, October 30, 2026

Mid-Morning
Sidney Weather - 2026-10-30 - Morning - Partly Cloudy
33°F 1°C
Partly Cloudy
Mid-Afternoon
Sidney Weather - 2026-10-30 - Afternoon - Overcast
49°F 9°C
Overcast
Early-Evening
Sidney Weather - 2026-10-30 - Evening - Overcast
45°F 7°C
Overcast
Brisk around 49°F 9°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds shifting from the ENE to the ESE at 13 mph 21 km/h. Gusts up to 32 mph 52 km/h.

Saturday, October 31, 2026

Mid-Morning
Sidney Weather - 2026-10-31 - Morning - Scattered Showers
48°F 9°C
Scattered Showers
Mid-Afternoon
Sidney Weather - 2026-10-31 - Afternoon - Drizzle
53°F 12°C
Drizzle
Early-Evening
Sidney Weather - 2026-10-31 - Evening - Scattered Showers
49°F 10°C
Scattered Showers
Cool and brisk at 53°F 12°C, locally heavy downpours at times, with steady humidity and steady pressure.

Sunday, November 1, 2026

Mid-Morning
Sidney Weather - 2026-11-01 - Morning - Scattered Showers
46°F 8°C
Scattered Showers
Mid-Afternoon
Sidney Weather - 2026-11-01 - Afternoon - Light Rain
48°F 9°C
Light Rain
Early-Evening
Sidney Weather - 2026-11-01 - Evening - Drizzle
45°F 8°C
Drizzle
Chilly near 48°F 9°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the WSW to the NW at 9 mph 13 km/h.

Monday, November 2, 2026

Mid-Morning
Sidney Weather - 2026-11-02 - Morning - Partly Cloudy
44°F 6°C
Partly Cloudy
Mid-Afternoon
Sidney Weather - 2026-11-02 - Afternoon - Scattered Showers
44°F 7°C
Scattered Showers
Early-Evening
Sidney Weather - 2026-11-02 - Evening - Partly Cloudy
41°F 6°C
Partly Cloudy
Biting cold near 44°F 7°C, scattered downpours possible, with steady humidity and steady pressure. Winds out of the WNW at 14 mph 22 km/h. Gusts up to 24 mph 38 km/h.

Tuesday, November 3, 2026

Mid-Morning
Sidney Weather - 2026-11-03 - Morning - Partly Cloudy
44°F 7°C
Partly Cloudy
Mid-Afternoon
Sidney Weather - 2026-11-03 - Afternoon - Partly Cloudy
49°F 9°C
Partly Cloudy
Early-Evening
Sidney Weather - 2026-11-03 - Evening - Partly Cloudy
48°F 9°C
Partly Cloudy
Brisk around 49°F 9°C, partly cloudy throughout the day, with steady humidity and steady pressure. Winds moving from the W to the WNW at 8 mph 12 km/h.

Wednesday, November 4, 2026

Mid-Morning
Sidney Weather - 2026-11-04 - Morning - Partly Cloudy
44°F 7°C
Partly Cloudy
Mid-Afternoon
Sidney Weather - 2026-11-04 - Afternoon - Sunny
47°F 8°C
Sunny
Early-Evening
Sidney Weather - 2026-11-04 - Evening - Clear
43°F 7°C
Clear
Cool and brisk at 47°F 8°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds swinging from the S to the SSE at 8 mph 13 km/h.

Thursday, November 5, 2026

Mid-Morning
Sidney Weather - 2026-11-05 - Morning - Partly Cloudy
47°F 8°C
Partly Cloudy
Mid-Afternoon
Sidney Weather - 2026-11-05 - Afternoon - Overcast
53°F 12°C
Overcast
Early-Evening
Sidney Weather - 2026-11-05 - Evening - Overcast
48°F 9°C
Overcast
Chilly near 53°F 12°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling.

Friday, November 6, 2026

Mid-Morning
Sidney Weather - 2026-11-06 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-11-06 - Afternoon - Partly Cloudy
52°F 11°C
Partly Cloudy
Early-Evening
Sidney Weather - 2026-11-06 - Evening - Cloudy
46°F 8°C
Cloudy
Crisp with a high near 52°F 11°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with increasing humidity and steady pressure.

Saturday, November 7, 2026

Mid-Morning
Sidney Weather - 2026-11-07 - Morning - Overcast
46°F 8°C
Overcast
Mid-Afternoon
Sidney Weather - 2026-11-07 - Afternoon - Scattered Showers
50°F 10°C
Scattered Showers
Early-Evening
Sidney Weather - 2026-11-07 - Evening - Scattered Showers
48°F 9°C
Scattered Showers
Brisk around 50°F 10°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Sunday, November 8, 2026

Mid-Morning
Sidney Weather - 2026-11-08 - Morning - Drizzle
46°F 8°C
Drizzle
Mid-Afternoon
Sidney Weather - 2026-11-08 - Afternoon - Partly Cloudy
46°F 8°C
Partly Cloudy
Early-Evening
Sidney Weather - 2026-11-08 - Evening - Partly Cloudy
43°F 7°C
Partly Cloudy
Cool and brisk at 46°F 8°C, scattered morning showers before drying out later, with steady humidity and barometric pressure rising. Winds shifting from the W to the WNW at 14 mph 23 km/h. Gusts up to 23 mph 38 km/h.

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Weather by the Numbers

Mon, 26th
Sidney MT Weather - Monday, Oct 26, 2026 - Overcast
Hi: 43°F 6°C
Lo: 32°F -0°C
Sunrise 07:33 AM
Sunset 05:49 PM
Wind SE 15 mph23 km/h
Dew Point 28°F-2°C
uv Index 1
Barometric Pressure 30.42 in1030 mb
POP 14% *
Humidity 59%
Tue, 27th
Sidney MT Weather - Tuesday, Oct 27, 2026 - Heavy Snow
Hi: 40°F 4°C
Lo: 34°F 1°C
Sunrise 07:34 AM
Sunset 05:47 PM
Wind SE 12 mph19 km/h
Dew Point 35°F1°C
uv Index 0
Barometric Pressure 29.85 in1011 mb
POP 78% *
Humidity 94%
Wed, 28th
Sidney MT Weather - Wednesday, Oct 28, 2026 - Sunny
Hi: 52°F 11°C
Lo: 35°F 2°C
Sunrise 07:36 AM
Sunset 05:45 PM
Wind W 14 mph23 km/h
Dew Point 33°F1°C
uv Index 2
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 52%
Thu, 29th
Sidney MT Weather - Thursday, Oct 29, 2026 - Partly Cloudy
Hi: 48°F 9°C
Lo: 31°F -0°C
Sunrise 07:37 AM
Sunset 05:44 PM
Wind NE 9 mph14 km/h
Dew Point 32°F0°C
uv Index 2
Barometric Pressure 30.15 in1021 mb
POP 7% *
Humidity 60%
Fri, 30th
Sidney MT Weather - Friday, Oct 30, 2026 - Partly Cloudy
Hi: 55°F 13°C
Lo: 30°F -1°C
Sunrise 07:39 AM
Sunset 05:42 PM
Wind E 12 mph19 km/h
Dew Point 30°F-1°C
uv Index 3
Barometric Pressure 30.18 in1022 mb
POP 8% *
Humidity 57%
Sat, 31st
Sidney MT Weather - Saturday, Oct 31, 2026 - Patchy Rain Nearby
Hi: 53°F 12°C
Lo: 45°F 7°C
Sunrise 07:40 AM
Sunset 05:41 PM
Wind W 2 mph3 km/h
Dew Point 49°F10°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 32% *
Humidity 89%
Sun, 1st
Sidney MT Weather - Sunday, Nov 1, 2026 - Patchy Rain Nearby
Hi: 48°F 9°C
Lo: 42°F 6°C
Sunrise 07:42 AM
Sunset 05:39 PM
Wind NNE 4 mph6 km/h
Dew Point 43°F6°C
uv Index 2
Barometric Pressure 29.91 in1013 mb
POP 26% *
Humidity 84%
Mon, 2nd
Sidney MT Weather - Monday, Nov 2, 2026 - Partly Cloudy
Hi: 47°F 8°C
Lo: 39°F 4°C
Sunrise 06:43 AM
Sunset 04:37 PM
Wind NW 16 mph25 km/h
Dew Point 32°F0°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 6% *
Humidity 58%
Tue, 3rd
Sidney MT Weather - Tuesday, Nov 3, 2026 - Partly Cloudy
Hi: 49°F 9°C
Lo: 37°F 3°C
Sunrise 06:44 AM
Sunset 04:36 PM
Wind WSW 7 mph12 km/h
Dew Point 35°F2°C
uv Index 3
Barometric Pressure 30.24 in1024 mb
POP 7% *
Humidity 59%
Wed, 4th
Sidney MT Weather - Wednesday, Nov 4, 2026 - Partly Cloudy
Hi: 48°F 9°C
Lo: 40°F 5°C
Sunrise 06:46 AM
Sunset 04:34 PM
Wind SE 7 mph12 km/h
Dew Point 35°F2°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 7% *
Humidity 60%
Thu, 5th
Sidney MT Weather - Thursday, Nov 5, 2026 - Cloudy
Hi: 55°F 13°C
Lo: 37°F 3°C
Sunrise 06:47 AM
Sunset 04:33 PM
Wind SSW 8 mph12 km/h
Dew Point 35°F2°C
uv Index 3
Barometric Pressure 29.88 in1012 mb
POP 6% *
Humidity 49%
Fri, 6th
Sidney MT Weather - Friday, Nov 6, 2026 - Partly Cloudy
Hi: 56°F 13°C
Lo: 41°F 5°C
Sunrise 06:49 AM
Sunset 04:31 PM
Wind WSW 7 mph11 km/h
Dew Point 31°F-1°C
uv Index 4
Barometric Pressure 29.74 in1007 mb
POP 2% *
Humidity 39%
Sat, 7th
Sidney MT Weather - Saturday, Nov 7, 2026 - Patchy Rain Nearby
Hi: 51°F 11°C
Lo: 39°F 4°C
Sunrise 06:50 AM
Sunset 04:30 PM
Wind SE 2 mph3 km/h
Dew Point 38°F3°C
uv Index 3
Barometric Pressure 29.62 in1003 mb
POP 14% *
Humidity 61%
Sun, 8th
Sidney MT Weather - Sunday, Nov 8, 2026 - Patchy Light Drizzle
Hi: 47°F 8°C
Lo: 41°F 5°C
Sunrise 06:52 AM
Sunset 04:28 PM
Wind WNW 14 mph22 km/h
Dew Point 38°F3°C
uv Index 2
Barometric Pressure 29.77 in1008 mb
POP 42% *
Humidity 71%
* POP = Probability of Precipitation. Data for 12:00 PM.