10-day forecast for Sidney, MT: 30° to 60°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
60°
Best day: Sunday, November 8
52° · 1 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0252° / 45°1
Morning50°feels 43°
Afternoon47°feels 40°
Evening46°feels 38°
Overnight52°feels 52°
52 °
Sidney, Monday, 2 November
Rain. High 52°, low 45°.
Pressure29.88 inHg
Wind19.7 mph N
Humidity95%
Visibility2.3 mi
Dew point45°
Tue, 0351° / 34°0
Morning37°feels 31°
Afternoon51°feels 48°
Evening36°feels 34°
Overnight40°feels 34°
51 °
Sidney, Tuesday, 3 November
Clear. High 51°, low 34°.
Pressure30.15 inHg
Wind5.6 mph NW
Humidity51%
Visibility6.2 mi
Dew point30°
Wed, 0453° / 32°0
Morning37°feels 32°
Afternoon52°feels 49°
Evening39°feels 34°
Overnight33°feels 30°
53 °
Sidney, Wednesday, 4 November
Overcast. High 53°, low 32°.
Pressure29.97 inHg
Wind7.8 mph NW
Humidity45%
Visibility6.2 mi
Dew point30°
Thu, 0545° / 30°0
Morning31°feels 31°
Afternoon45°feels 45°
Evening33°feels 33°
Overnight32°feels 27°
45 °
Sidney, Thursday, 5 November
Partly cloudy. High 45°, low 30°.
Pressure30.09 inHg
Wind2.1 mph SE
Humidity75%
Visibility6.2 mi
Dew point34°
Fri, 0654° / 31°0
Morning38°feels 33°
Afternoon50°feels 47°
Evening42°feels 38°
Overnight38°feels 32°
54 °
Sidney, Friday, 6 November
Clear. High 54°, low 31°.
Pressure30.06 inHg
Wind10 mph SW
Humidity55%
Visibility—
Dew point33°
Sat, 0746° / 41°0.05
Morning45°feels 38°
Afternoon41°feels 33°
Evening43°feels 38°
Overnight42°feels 37°
46 °
Sidney, Saturday, 7 November
Light rain. High 46°, low 41°.
Pressure30.09 inHg
Wind17.1 mph W
Humidity79%
Visibility—
Dew point36°
Sun, 0860° / 40°0
Morning44°feels 39°
Afternoon54°feels 51°
Evening53°feels 50°
Overnight49°feels 46°
60 °
Sidney, Sunday, 8 November
Partly cloudy. High 60°, low 40°.
Pressure30.03 inHg
Wind12.4 mph W
Humidity36%
Visibility—
Dew point26°
Mon, 0954° / 44°0
Morning47°feels 42°
Afternoon50°feels 47°
Evening47°feels 47°
Overnight44°feels 40°
54 °
Sidney, Monday, 9 November
Overcast. High 54°, low 44°.
Pressure30.18 inHg
Wind15.7 mph W
Humidity43%
Visibility—
Dew point28°
Tue, 1055° / 41°0
Morning45°feels 43°
Afternoon52°feels 50°
Evening47°feels 45°
Overnight42°feels 39°
55 °
Sidney, Tuesday, 10 November
Overcast. High 55°, low 41°.
Pressure30.09 inHg
Wind10.3 mph NW
Humidity46%
Visibility—
Dew point31°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Sidney, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.