10-day forecast for Sidney, CO: 34° to 66°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Wednesday, October 21
63° · 0.19 in
Worst day: Thursday, October 22
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1961° / 34°0
Morning38°feels 38°
Afternoon60°feels 58°
Evening49°feels 49°
Overnight39°feels 39°
61 °
Sidney, Monday, 19 October
Clear. High 61°, low 34°.
Pressure30.09 inHg
Wind4.2 mph NW
Humidity37%
Visibility6.2 mi
Dew point32°
Tue, 2060° / 37°0.02
Morning41°feels 41°
Afternoon59°feels 57°
Evening45°feels 45°
Overnight40°feels 40°
60 °
Sidney, Tuesday, 20 October
Light rain. High 60°, low 37°.
Pressure30.09 inHg
Wind3.9 mph W
Humidity46%
Visibility6.2 mi
Dew point37°
Wed, 2166° / 38°0
Morning38°feels 36°
Afternoon66°feels 64°
Evening54°feels 52°
Overnight41°feels 41°
66 °
Sidney, Wednesday, 21 October
Overcast. High 66°, low 38°.
Pressure30.12 inHg
Wind5 mph S
Humidity34%
Visibility6.2 mi
Dew point35°
Thu, 2263° / 48°0.19
Morning51°feels 49°
Afternoon59°feels 58°
Evening51°feels 50°
Overnight49°feels 48°
63 °
Sidney, Thursday, 22 October
Light rain. High 63°, low 48°.
Pressure29.91 inHg
Wind7 mph SW
Humidity45%
Visibility6.2 mi
Dew point41°
Fri, 2353° / 39°0.06
Morning44°feels 43°
Afternoon52°feels 49°
Evening46°feels 43°
Overnight39°feels 39°
53 °
Sidney, Friday, 23 October
Light rain. High 53°, low 39°.
Pressure29.80 inHg
Wind13 mph W
Humidity41%
Visibility—
Dew point28°
Sat, 2458° / 35°0.02
Morning41°feels 40°
Afternoon54°feels 51°
Evening46°feels 44°
Overnight40°feels 38°
58 °
Sidney, Saturday, 24 October
Light rain. High 58°, low 35°.
Pressure30.12 inHg
Wind7.5 mph NW
Humidity35%
Visibility—
Dew point25°
Sun, 2559° / 37°0
Morning43°feels 39°
Afternoon57°feels 54°
Evening49°feels 48°
Overnight43°feels 42°
59 °
Sidney, Sunday, 25 October
Partly cloudy. High 59°, low 37°.
Pressure30.03 inHg
Wind8.9 mph NW
Humidity34%
Visibility—
Dew point27°
Mon, 2657° / 40°0
Morning45°feels 44°
Afternoon55°feels 52°
Evening48°feels 48°
Overnight43°feels 43°
57 °
Sidney, Monday, 26 October
Overcast. High 57°, low 40°.
Pressure29.97 inHg
Wind6.9 mph NW
Humidity35%
Visibility—
Dew point27°
Tue, 2762° / 38°0
Morning44°feels 40°
Afternoon58°feels 55°
Evening50°feels 47°
Overnight44°feels 42°
62 °
Sidney, Tuesday, 27 October
Clear. High 62°, low 38°.
Pressure29.97 inHg
Wind6.5 mph NW
Humidity32%
Visibility—
Dew point27°
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.