10-day forecast for Sidney, CO: 30° to 65°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Wednesday, October 21
51° · 0.3 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1962° / 34°0
Morning38°feels 38°
Afternoon61°feels 59°
Evening49°feels 49°
Overnight40°feels 40°
62 °
Sidney, Monday, 19 October
Clear. High 62°, low 34°.
Pressure30.09 inHg
Wind3.8 mph NW
Humidity37%
Visibility6.2 mi
Dew point30°
Tue, 2060° / 41°0
Morning42°feels 42°
Afternoon59°feels 57°
Evening46°feels 46°
Overnight44°feels 44°
60 °
Sidney, Tuesday, 20 October
Mostly clear. High 60°, low 41°.
Pressure30.09 inHg
Wind3.8 mph W
Humidity47%
Visibility6.2 mi
Dew point37°
Wed, 2165° / 42°0
Morning46°feels 46°
Afternoon65°feels 62°
Evening52°feels 50°
Overnight43°feels 43°
65 °
Sidney, Wednesday, 21 October
Clear. High 65°, low 42°.
Pressure30.12 inHg
Wind3.4 mph SW
Humidity35%
Visibility6.2 mi
Dew point34°
Thu, 2264° / 46°0.07
Morning51°feels 51°
Afternoon62°feels 60°
Evening51°feels 49°
Overnight47°feels 46°
64 °
Sidney, Thursday, 22 October
Light rain. High 64°, low 46°.
Pressure30.00 inHg
Wind8.4 mph S
Humidity43%
Visibility—
Dew point38°
Fri, 2351° / 41°0.3
Morning44°feels 42°
Afternoon50°feels 47°
Evening41°feels 38°
Overnight41°feels 40°
51 °
Sidney, Friday, 23 October
Snow. High 51°, low 41°.
Pressure29.83 inHg
Wind10.1 mph NW
Humidity68%
Visibility—
Dew point40°
Sat, 2445° / 35°0.03
Morning39°feels 38°
Afternoon44°feels 40°
Evening39°feels 37°
Overnight39°feels 39°
45 °
Sidney, Saturday, 24 October
Light snow. High 45°, low 35°.
Pressure30.24 inHg
Wind7.5 mph W
Humidity58%
Visibility—
Dew point30°
Sun, 2557° / 30°0
Morning37°feels 32°
Afternoon52°feels 48°
Evening43°feels 40°
Overnight36°feels 32°
57 °
Sidney, Sunday, 25 October
Clear. High 57°, low 30°.
Pressure30.30 inHg
Wind5.5 mph E
Humidity17%
Visibility—
Dew point7°
Mon, 2653° / 35°0
Morning40°feels 36°
Afternoon51°feels 48°
Evening44°feels 44°
Overnight40°feels 40°
53 °
Sidney, Monday, 26 October
Overcast. High 53°, low 35°.
Pressure30.03 inHg
Wind6.5 mph NW
Humidity22%
Visibility—
Dew point13°
Tue, 2756° / 38°0.06
Morning43°feels 42°
Afternoon50°feels 47°
Evening45°feels 44°
Overnight41°feels 39°
56 °
Sidney, Tuesday, 27 October
Snow. High 56°, low 38°.
Pressure29.97 inHg
Wind15.8 mph W
Humidity55%
Visibility—
Dew point34°
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, CO 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.