10-day forecast for Sidney, CO: 16° to 64°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Wednesday, October 21
37° · 0.92 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1652° / 22°0
Morning25°feels 21°
Afternoon50°feels 46°
Evening41°feels 41°
Overnight22°feels 22°
52 °
Sidney, Friday, 16 October
Clear. High 52°, low 22°.
Pressure30.59 inHg
Wind2.9 mph NW
Humidity43%
Visibility6.2 mi
Dew point19°
Sat, 1761° / 36°0
Morning37°feels 37°
Afternoon60°feels 58°
Evening43°feels 43°
Overnight36°feels 36°
61 °
Sidney, Saturday, 17 October
Clear. High 61°, low 36°.
Pressure30.36 inHg
Wind1.6 mph N
Humidity35%
Visibility6.2 mi
Dew point18°
Sun, 1862° / 38°0
Morning38°feels 38°
Afternoon61°feels 58°
Evening50°feels 50°
Overnight41°feels 41°
62 °
Sidney, Sunday, 18 October
Partly cloudy. High 62°, low 38°.
Pressure30.15 inHg
Wind3.3 mph NW
Humidity36%
Visibility6.2 mi
Dew point27°
Mon, 1959° / 40°0
Morning45°feels 44°
Afternoon57°feels 55°
Evening51°feels 49°
Overnight43°feels 43°
59 °
Sidney, Monday, 19 October
Mostly clear. High 59°, low 40°.
Pressure30.09 inHg
Wind5.5 mph W
Humidity42%
Visibility—
Dew point33°
Tue, 2059° / 36°0
Morning42°feels 40°
Afternoon57°feels 55°
Evening52°feels 50°
Overnight44°feels 42°
59 °
Sidney, Tuesday, 20 October
Partly cloudy. High 59°, low 36°.
Pressure30.00 inHg
Wind5.7 mph E
Humidity48%
Visibility—
Dew point36°
Wed, 2164° / 43°0
Morning49°feels 46°
Afternoon60°feels 58°
Evening54°feels 52°
Overnight47°feels 46°
64 °
Sidney, Wednesday, 21 October
Mostly clear. High 64°, low 43°.
Pressure29.85 inHg
Wind5.6 mph S
Humidity36%
Visibility—
Dew point32°
Thu, 2253° / 38°0.13
Morning43°feels 43°
Afternoon51°feels 48°
Evening40°feels 37°
Overnight38°feels 35°
53 °
Sidney, Thursday, 22 October
Snow. High 53°, low 38°.
Pressure29.80 inHg
Wind11.8 mph NW
Humidity57%
Visibility—
Dew point36°
Fri, 2337° / 27°0.92
Morning34°feels 27°
Afternoon34°feels 27°
Evening31°feels 22°
Overnight28°feels 19°
37 °
Sidney, Friday, 23 October
Snow. High 37°, low 27°.
Pressure29.88 inHg
Wind11.9 mph W
Humidity101%
Visibility—
Dew point35°
Sat, 2428° / 16°0.25
Morning25°feels 20°
Afternoon27°feels 20°
Evening22°feels 20°
Overnight18°feels 11°
28 °
Sidney, Saturday, 24 October
Snow. High 28°, low 16°.
Pressure30.53 inHg
Wind9.7 mph W
Humidity91%
Visibility—
Dew point25°
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.