10-day forecast for Sidney, MT: 30° to 57°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
57°
Best day: Monday, November 16
41° · 0.52 in
Worst day: Thursday, November 19
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1352° / 33°0
Morning34°feels 27°
Afternoon52°feels 49°
Evening40°feels 33°
Overnight35°feels 30°
52 °
Sidney, Friday, 13 November
Overcast. High 52°, low 33°.
Pressure29.88 inHg
Wind12.1 mph SE
Humidity58%
Visibility6.2 mi
Dew point34°
Sat, 1452° / 35°0
Morning37°feels 29°
Afternoon52°feels 49°
Evening42°feels 36°
Overnight36°feels 28°
52 °
Sidney, Saturday, 14 November
Mostly clear. High 52°, low 35°.
Pressure29.83 inHg
Wind11.7 mph SE
Humidity63%
Visibility6.2 mi
Dew point37°
Sun, 1555° / 34°0
Morning35°feels 31°
Afternoon55°feels 53°
Evening41°feels 38°
Overnight37°feels 32°
55 °
Sidney, Sunday, 15 November
Clear. High 55°, low 34°.
Pressure29.94 inHg
Wind4.9 mph SW
Humidity67%
Visibility6.2 mi
Dew point41°
Mon, 1657° / 36°0
Morning36°feels 32°
Afternoon50°feels 48°
Evening46°feels 44°
Overnight37°feels 33°
57 °
Sidney, Monday, 16 November
Overcast. High 57°, low 36°.
Pressure29.91 inHg
Wind4.5 mph S
Humidity65%
Visibility6.2 mi
Dew point42°
Tue, 1752° / 39°0
Morning43°feels 38°
Afternoon49°feels 44°
Evening44°feels 40°
Overnight39°feels 35°
52 °
Sidney, Tuesday, 17 November
Partly cloudy. High 52°, low 39°.
Pressure30.00 inHg
Wind11.9 mph NW
Humidity53%
Visibility—
Dew point32°
Wed, 1846° / 39°0.06
Morning40°feels 36°
Afternoon45°feels 39°
Evening43°feels 38°
Overnight42°feels 37°
46 °
Sidney, Wednesday, 18 November
Light rain. High 46°, low 39°.
Pressure29.62 inHg
Wind11.5 mph N
Humidity81%
Visibility—
Dew point39°
Thu, 1941° / 33°0.52
Morning38°feels 31°
Afternoon36°feels 29°
Evening35°feels 29°
Overnight35°feels 26°
41 °
Sidney, Thursday, 19 November
Snow. High 41°, low 33°.
Pressure29.91 inHg
Wind11.1 mph NE
Humidity98%
Visibility—
Dew point36°
Fri, 2033° / 32°0.09
Morning33°feels 24°
Afternoon33°feels 24°
Evening32°feels 23°
Overnight32°feels 23°
33 °
Sidney, Friday, 20 November
Light snow. High 33°, low 32°.
Pressure30.45 inHg
Wind12.1 mph E
Humidity93%
Visibility—
Dew point31°
Sat, 2133° / 30°0.43
Morning31°feels 22°
Afternoon32°feels 24°
Evening31°feels 25°
Overnight30°feels 23°
33 °
Sidney, Saturday, 21 November
Snow. High 33°, low 30°.
Pressure30.09 inHg
Wind12.6 mph E
Humidity99%
Visibility—
Dew point32°
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.