10-day forecast for Sidney, MT: 30° to 59°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
57°
Best day: Sunday, November 8
50° · 0.32 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0155° / 47°0.24
Morning47°feels 46°
Afternoon55°feels 54°
Evening52°feels 52°
Overnight48°feels 48°
55 °
Sidney, Sunday, 1 November
Rain. High 55°, low 47°.
Pressure29.94 inHg
Wind0.4 mph E
Humidity89%
Visibility6.2 mi
Dew point49°
Mon, 0250° / 39°0.32
Morning46°feels 38°
Afternoon46°feels 39°
Evening45°feels 38°
Overnight50°feels 49°
50 °
Sidney, Monday, 2 November
Rain. High 50°, low 39°.
Pressure29.97 inHg
Wind16 mph N
Humidity94%
Visibility5.7 mi
Dew point43°
Tue, 0353° / 31°0
Morning31°feels 28°
Afternoon52°feels 49°
Evening39°feels 39°
Overnight36°feels 29°
53 °
Sidney, Tuesday, 3 November
Clear. High 53°, low 31°.
Pressure30.24 inHg
Wind2.8 mph W
Humidity58%
Visibility6.2 mi
Dew point33°
Wed, 0453° / 32°0
Morning34°feels 32°
Afternoon52°feels 49°
Evening42°feels 38°
Overnight33°feels 30°
53 °
Sidney, Wednesday, 4 November
Overcast. High 53°, low 32°.
Pressure30.00 inHg
Wind2.1 mph W
Humidity54%
Visibility6.2 mi
Dew point33°
Thu, 0547° / 30°0
Morning33°feels 29°
Afternoon41°feels 40°
Evening39°feels 37°
Overnight32°feels 28°
47 °
Sidney, Thursday, 5 November
Overcast. High 47°, low 30°.
Pressure30.12 inHg
Wind6 mph NW
Humidity70%
Visibility—
Dew point31°
Fri, 0659° / 32°0.03
Morning40°feels 37°
Afternoon53°feels 51°
Evening51°feels 48°
Overnight43°feels 36°
59 °
Sidney, Friday, 6 November
Light rain. High 59°, low 32°.
Pressure29.77 inHg
Wind21.9 mph W
Humidity49%
Visibility—
Dew point32°
Sat, 0749° / 39°0
Morning42°feels 33°
Afternoon44°feels 38°
Evening43°feels 40°
Overnight39°feels 36°
49 °
Sidney, Saturday, 7 November
Overcast. High 49°, low 39°.
Pressure30.06 inHg
Wind22.2 mph NW
Humidity58%
Visibility—
Dew point30°
Sun, 0857° / 36°0
Morning41°feels 36°
Afternoon51°feels 47°
Evening50°feels 47°
Overnight48°feels 44°
57 °
Sidney, Sunday, 8 November
Overcast. High 57°, low 36°.
Pressure29.88 inHg
Wind13.1 mph S
Humidity29%
Visibility—
Dew point18°
Mon, 0954° / 41°0
Morning49°feels 43°
Afternoon51°feels 47°
Evening46°feels 42°
Overnight42°feels 37°
54 °
Sidney, Monday, 9 November
Clear. High 54°, low 41°.
Pressure30.03 inHg
Wind20.9 mph W
Humidity34%
Visibility—
Dew point24°
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.