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
59° · 0.19 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1862° / 31°0
Morning38°feels 38°
Afternoon62°feels 60°
Evening47°feels 47°
Overnight35°feels 35°
62 °
Sidney, Sunday, 18 October
Overcast. High 62°, low 31°.
Pressure30.12 inHg
Wind3.4 mph NW
Humidity35%
Visibility6.2 mi
Dew point26°
Mon, 1961° / 37°0
Morning39°feels 39°
Afternoon61°feels 59°
Evening50°feels 50°
Overnight39°feels 39°
61 °
Sidney, Monday, 19 October
Mostly clear. High 61°, low 37°.
Pressure30.06 inHg
Wind3.9 mph W
Humidity38%
Visibility6.2 mi
Dew point31°
Tue, 2061° / 40°0
Morning41°feels 41°
Afternoon61°feels 58°
Evening48°feels 48°
Overnight43°feels 43°
61 °
Sidney, Tuesday, 20 October
Light rain. High 61°, low 40°.
Pressure30.09 inHg
Wind3.3 mph W
Humidity44%
Visibility6.2 mi
Dew point37°
Wed, 2165° / 43°0
Morning47°feels 47°
Afternoon65°feels 62°
Evening55°feels 53°
Overnight44°feels 44°
65 °
Sidney, Wednesday, 21 October
Clear. High 65°, low 43°.
Pressure30.12 inHg
Wind3.9 mph SW
Humidity34%
Visibility6.2 mi
Dew point33°
Thu, 2259° / 42°0.08
Morning51°feels 50°
Afternoon58°feels 56°
Evening51°feels 51°
Overnight47°feels 45°
59 °
Sidney, Thursday, 22 October
Light rain. High 59°, low 42°.
Pressure30.09 inHg
Wind10.1 mph SE
Humidity51%
Visibility—
Dew point40°
Fri, 2359° / 45°0.19
Morning49°feels 49°
Afternoon57°feels 55°
Evening46°feels 42°
Overnight46°feels 43°
59 °
Sidney, Friday, 23 October
Light rain. High 59°, low 45°.
Pressure29.83 inHg
Wind11.8 mph NW
Humidity50%
Visibility—
Dew point39°
Sat, 2452° / 39°0.11
Morning43°feels 40°
Afternoon51°feels 49°
Evening44°feels 44°
Overnight40°feels 40°
52 °
Sidney, Saturday, 24 October
Light rain. High 52°, low 39°.
Pressure30.03 inHg
Wind8.9 mph NW
Humidity51%
Visibility—
Dew point33°
Sun, 2554° / 36°0
Morning41°feels 40°
Afternoon52°feels 49°
Evening46°feels 45°
Overnight40°feels 38°
54 °
Sidney, Sunday, 25 October
Partly cloudy. High 54°, low 36°.
Pressure30.12 inHg
Wind7.1 mph NW
Humidity42%
Visibility—
Dew point28°
Mon, 2660° / 36°0
Morning42°feels 38°
Afternoon55°feels 53°
Evening47°feels 47°
Overnight42°feels 40°
60 °
Sidney, Monday, 26 October
Clear. High 60°, low 36°.
Pressure30.09 inHg
Wind5.1 mph SE
Humidity31%
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, 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.