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Sidney MT Weather - Overcast - 72°F
Overcast
72°F
Updated 4:52 pm
Feels Like 59°F
Humidity 49%
Wind WNW 22 mph
Barometer  30 in
Dew Point 52°F
Sidney MT Weather - Overcast - 22°C
Overcast
22°C
Updated 4:52 pm
Feels Like 15°C
Humidity 49%
Wind WNW 35 km/h
Barometer  101.5 kPa
Dew Point 11°C
Sidney, MT Weather and Current Conditionssidney mt weather forecast

Sidney, MT Weather Forecast

Sidney Montana WeatherSidney, Montana Weather Weather Forecast
14 day API forecast for Sidney, Montana. Note. The 7-day weather forecast for Sidney, MT 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.
Sidney, MT Weather Forecast Dated: 452 PM Tue Sep 08 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.

Tuesday, September 8, 2026

Mid-Morning
Sidney Weather - 2026-09-08 - Morning - Overcast
63°F 17°C
Overcast
Mid-Afternoon
Sidney Weather - 2026-09-08 - Afternoon - Overcast
71°F 22°C
Overcast
Early-Evening
Sidney Weather - 2026-09-08 - Evening - Scattered Showers
62°F 17°C
Scattered Showers
Pleasant near 71°F 22°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure rising. Winds out of the WNW at 22 mph 36 km/h. Gusts up to 25 mph 39 km/h.

Wednesday, September 9, 2026

Mid-Morning
Sidney Weather - 2026-09-09 - Morning - Sunny
60°F 15°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-09 - Afternoon - Cloudy
72°F 22°C
Cloudy
Early-Evening
Sidney Weather - 2026-09-09 - Evening - Sunny
71°F 22°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds switching from the W to the ESE at 6 mph 10 km/h.

Thursday, September 10, 2026

Mid-Morning
Sidney Weather - 2026-09-10 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-10 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Sidney Weather - 2026-09-10 - Evening - Overcast
69°F 21°C
Overcast
Quite warm around 81°F 27°C, sunny through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure. Winds moving from the WSW to the NNW at 19 mph 31 km/h. Gusts up to 26 mph 41 km/h.

Friday, September 11, 2026

Mid-Morning
Sidney Weather - 2026-09-11 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-11 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Sidney Weather - 2026-09-11 - Evening - Cloudy
65°F 19°C
Cloudy
Cool with a high near 66°F 19°C, sunny through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds swinging from the NNW to the NE at 9 mph 13 km/h.

Saturday, September 12, 2026

Mid-Morning
Sidney Weather - 2026-09-12 - Morning - Scattered Showers
51°F 11°C
Scattered Showers
Mid-Afternoon
Sidney Weather - 2026-09-12 - Afternoon - Overcast
56°F 14°C
Overcast
Early-Evening
Sidney Weather - 2026-09-12 - Evening - Overcast
57°F 14°C
Overcast
Brisk around 56°F 14°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds tapering down from ENE 18 mph 29 km/h to NNE 8 mph 13 km/h.

Sunday, September 13, 2026

Mid-Morning
Sidney Weather - 2026-09-13 - Morning - Overcast
49°F 9°C
Overcast
Mid-Afternoon
Sidney Weather - 2026-09-13 - Afternoon - Scattered Showers
56°F 14°C
Scattered Showers
Early-Evening
Sidney Weather - 2026-09-13 - Evening - Scattered Showers
49°F 10°C
Scattered Showers
Cool and brisk at 56°F 14°C, locally heavy downpours at times, with increasing humidity and barometric pressure falling. Winds ESE at 18 mph 29 km/h. Gusts up to 26 mph 42 km/h.

Monday, September 14, 2026

Mid-Morning
Sidney Weather - 2026-09-14 - Morning - Scattered Showers
51°F 11°C
Scattered Showers
Mid-Afternoon
Sidney Weather - 2026-09-14 - Afternoon - Scattered Showers
53°F 12°C
Scattered Showers
Early-Evening
Sidney Weather - 2026-09-14 - Evening - Scattered Showers
50°F 10°C
Scattered Showers
Chilly near 53°F 12°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the W to the WNW at 11 mph 19 km/h. Gusts up to 22 mph 36 km/h.

Tuesday, September 15, 2026

Mid-Morning
Sidney Weather - 2026-09-15 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-15 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Sidney Weather - 2026-09-15 - Evening - Overcast
66°F 19°C
Overcast
Cool with a high near 66°F 19°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds moving from the SE to the ENE at 10 mph 16 km/h.

Wednesday, September 16, 2026

Mid-Morning
Sidney Weather - 2026-09-16 - Morning - Cloudy
58°F 14°C
Cloudy
Mid-Afternoon
Sidney Weather - 2026-09-16 - Afternoon - Cloudy
74°F 23°C
Cloudy
Early-Evening
Sidney Weather - 2026-09-16 - Evening - Scattered Showers
66°F 19°C
Scattered Showers
Mild temperatures up to 74°F 23°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds swinging from the SE to the WNW at 18 mph 28 km/h. Gusts up to 30 mph 48 km/h.

Thursday, September 17, 2026

Mid-Morning
Sidney Weather - 2026-09-17 - Morning - Overcast
38°F 3°C
Overcast
Mid-Afternoon
Sidney Weather - 2026-09-17 - Afternoon - Sunny
48°F 9°C
Sunny
Early-Evening
Sidney Weather - 2026-09-17 - Evening - Overcast
50°F 10°C
Overcast
Cool and brisk at 48°F 9°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds easing from NW 20 mph 32 km/h to ENE 5 mph 7 km/h.

Friday, September 18, 2026

Mid-Morning
Sidney Weather - 2026-09-18 - Morning - Sunny
45°F 7°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-18 - Afternoon - Sunny
49°F 9°C
Sunny
Early-Evening
Sidney Weather - 2026-09-18 - Evening - Sunny
49°F 10°C
Sunny
Chilly near 49°F 9°C, sunny throughout the day, with lower humidity and barometric pressure rising. Winds turning from the NW to the N at 7 mph 12 km/h.

Saturday, September 19, 2026

Mid-Morning
Sidney Weather - 2026-09-19 - Morning - Sunny
43°F 6°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-19 - Afternoon - Sunny
59°F 15°C
Sunny
Early-Evening
Sidney Weather - 2026-09-19 - Evening - Sunny
58°F 15°C
Sunny
Cool with a high near 59°F 15°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds S at 13 mph 21 km/h. Gusts up to 21 mph 34 km/h.

Sunday, September 20, 2026

Mid-Morning
Sidney Weather - 2026-09-20 - Morning - Cloudy
53°F 12°C
Cloudy
Mid-Afternoon
Sidney Weather - 2026-09-20 - Afternoon - Overcast
68°F 20°C
Overcast
Early-Evening
Sidney Weather - 2026-09-20 - Evening - Overcast
68°F 20°C
Overcast
Enjoyable around 68°F 20°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the SW to the W at 5 mph 7 km/h.

Monday, September 21, 2026

Mid-Morning
Sidney Weather - 2026-09-21 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-21 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Sidney Weather - 2026-09-21 - Evening - Sunny
78°F 26°C
Sunny
Warm temperatures up to 80°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the S to the W at 7 mph 11 km/h.

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Weather by the Numbers

Tue, 8th
Sidney MT Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 72°F 22°C
Lo: 54°F 12°C
Sunrise 06:25 AM
Sunset 07:23 PM
Wind W 22 mph36 km/h
Dew Point 52°F11°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 13% *
Humidity 55%
Wed, 9th
Sidney MT Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 75°F 24°C
Lo: 53°F 12°C
Sunrise 06:26 AM
Sunset 07:21 PM
Wind W 13 mph21 km/h
Dew Point 39°F4°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 34%
Thu, 10th
Sidney MT Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 81°F 27°C
Lo: 62°F 17°C
Sunrise 06:27 AM
Sunset 07:19 PM
Wind W 20 mph32 km/h
Dew Point 28°F-2°C
uv Index 5
Barometric Pressure 29.62 in1003 mb
POP 0% *
Humidity 15%
Fri, 11th
Sidney MT Weather - Friday, Sep 11, 2026 - Sunny
Hi: 74°F 24°C
Lo: 49°F 10°C
Sunrise 06:29 AM
Sunset 07:17 PM
Wind NW 10 mph15 km/h
Dew Point 33°F0°C
uv Index 2
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 33%
Sat, 12th
Sidney MT Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 61°F 16°C
Lo: 45°F 7°C
Sunrise 06:30 AM
Sunset 07:15 PM
Wind NNW 6 mph9 km/h
Dew Point 34°F1°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 12% *
Humidity 48%
Sun, 13th
Sidney MT Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 57°F 14°C
Lo: 47°F 8°C
Sunrise 06:31 AM
Sunset 07:13 PM
Wind ESE 17 mph28 km/h
Dew Point 31°F-1°C
uv Index 3
Barometric Pressure 30.03 in1017 mb
POP 10% *
Humidity 40%
Mon, 14th
Sidney MT Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 55°F 13°C
Lo: 48°F 9°C
Sunrise 06:33 AM
Sunset 07:11 PM
Wind W 18 mph29 km/h
Dew Point 42°F5°C
uv Index 3
Barometric Pressure 29.8 in1009 mb
POP 15% *
Humidity 60%
Tue, 15th
Sidney MT Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 66°F 19°C
Lo: 50°F 10°C
Sunrise 06:34 AM
Sunset 07:09 PM
Wind SE 6 mph10 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 43%
Wed, 16th
Sidney MT Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 76°F 24°C
Lo: 50°F 10°C
Sunrise 06:35 AM
Sunset 07:07 PM
Wind SE 19 mph31 km/h
Dew Point 50°F10°C
uv Index 5
Barometric Pressure 29.74 in1007 mb
POP 3% *
Humidity 54%
Thu, 17th
Sidney MT Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 51°F 10°C
Lo: 37°F 3°C
Sunrise 06:37 AM
Sunset 07:05 PM
Wind NNW 15 mph24 km/h
Dew Point 27°F-3°C
uv Index 3
Barometric Pressure 30.3 in1026 mb
POP 4% *
Humidity 52%
Fri, 18th
Sidney MT Weather - Friday, Sep 18, 2026 - Sunny
Hi: 54°F 12°C
Lo: 45°F 7°C
Sunrise 06:38 AM
Sunset 07:03 PM
Wind N 5 mph8 km/h
Dew Point 27°F-3°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 35%
Sat, 19th
Sidney MT Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 59°F 15°C
Lo: 43°F 6°C
Sunrise 06:39 AM
Sunset 07:00 PM
Wind S 12 mph19 km/h
Dew Point 21°F-6°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 1% *
Humidity 29%
Sun, 20th
Sidney MT Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 70°F 21°C
Lo: 53°F 12°C
Sunrise 06:41 AM
Sunset 06:58 PM
Wind WSW 9 mph15 km/h
Dew Point 36°F2°C
uv Index 4
Barometric Pressure 29.88 in1012 mb
POP 10% *
Humidity 34%
Mon, 21st
Sidney MT Weather - Monday, Sep 21, 2026 - Sunny
Hi: 82°F 28°C
Lo: 60°F 16°C
Sunrise 06:42 AM
Sunset 06:56 PM
Wind SSW 10 mph16 km/h
Dew Point 33°F0°C
uv Index 6
Barometric Pressure 29.8 in1009 mb
POP 0% *
Humidity 23%
* POP = Probability of Precipitation. Data for 12:00 PM.