10-day forecast for Sidney, MT: 28° to 59°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
59°
Best day: Sunday, November 8
51° · 1 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3150° / 37°0.01
Morning40°feels 37°
Afternoon49°feels 47°
Evening47°feels 42°
Overnight41°feels 39°
50 °
Sidney, Saturday, 31 October
Light rain. High 50°, low 37°.
Pressure30.06 inHg
Wind6.7 mph E
Humidity87%
Visibility6.2 mi
Dew point46°
Sun, 0157° / 44°0.17
Morning49°feels 49°
Afternoon56°feels 55°
Evening53°feels 53°
Overnight47°feels 47°
57 °
Sidney, Sunday, 1 November
Rain. High 57°, low 44°.
Pressure29.94 inHg
Wind2.5 mph E
Humidity94%
Visibility6.2 mi
Dew point52°
Mon, 0251° / 44°1
Morning51°feels 50°
Afternoon45°feels 38°
Evening44°feels 37°
Overnight51°feels 50°
51 °
Sidney, Monday, 2 November
Rain. High 51°, low 44°.
Pressure29.88 inHg
Wind18.4 mph NW
Humidity96%
Visibility3.9 mi
Dew point46°
Tue, 0347° / 42°0.19
Morning42°feels 36°
Afternoon47°feels 45°
Evening46°feels 46°
Overnight43°feels 36°
47 °
Sidney, Tuesday, 3 November
Rain. High 47°, low 42°.
Pressure30.18 inHg
Wind5.9 mph NW
Humidity85%
Visibility6.2 mi
Dew point41°
Wed, 0451° / 42°0
Morning45°feels 44°
Afternoon48°feels 46°
Evening46°feels 43°
Overnight42°feels 39°
51 °
Sidney, Wednesday, 4 November
Light rain. High 51°, low 42°.
Pressure30.00 inHg
Wind7 mph N
Humidity80%
Visibility—
Dew point42°
Thu, 0557° / 39°0
Morning43°feels 39°
Afternoon51°feels 48°
Evening51°feels 48°
Overnight46°feels 42°
57 °
Sidney, Thursday, 5 November
Overcast. High 57°, low 39°.
Pressure29.94 inHg
Wind9.1 mph SW
Humidity52%
Visibility—
Dew point32°
Fri, 0657° / 44°0
Morning47°feels 45°
Afternoon53°feels 50°
Evening50°feels 48°
Overnight46°feels 46°
57 °
Sidney, Friday, 6 November
Clear. High 57°, low 44°.
Pressure29.77 inHg
Wind5.3 mph SW
Humidity41%
Visibility—
Dew point29°
Sat, 0754° / 43°0
Morning47°feels 45°
Afternoon52°feels 49°
Evening47°feels 43°
Overnight43°feels 41°
54 °
Sidney, Saturday, 7 November
Overcast. High 54°, low 43°.
Pressure30.12 inHg
Wind10.8 mph NW
Humidity50%
Visibility—
Dew point33°
Sun, 0859° / 40°0
Morning44°feels 40°
Afternoon53°feels 50°
Evening50°feels 47°
Overnight45°feels 40°
59 °
Sidney, Sunday, 8 November
Clear. High 59°, low 40°.
Pressure30.21 inHg
Wind14.1 mph S
Humidity41%
Visibility—
Dew point28°
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.