10-day forecast for Sidney, CO: 52° to 89°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Tuesday, August 11
72° · 0.15 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 55°0
Morning61°feels 59°
Afternoon88°feels 85°
Evening71°feels 70°
Overnight61°feels 60°
88 °
Sidney, Monday, 10 August
Clear. High 88°, low 55°.
Pressure29.94 inHg
Wind8.5 mph NW
Humidity21%
Visibility6.2 mi
Dew point38°
Tue, 1189° / 55°0
Morning66°feels 65°
Afternoon88°feels 84°
Evening73°feels 71°
Overnight57°feels 55°
89 °
Sidney, Tuesday, 11 August
Overcast. High 89°, low 55°.
Pressure29.94 inHg
Wind7.7 mph NW
Humidity19%
Visibility6.2 mi
Dew point37°
Wed, 1287° / 56°0.01
Morning67°feels 65°
Afternoon85°feels 82°
Evening63°feels 62°
Overnight58°feels 56°
87 °
Sidney, Wednesday, 12 August
Light rain. High 87°, low 56°.
Pressure29.80 inHg
Wind5.1 mph S
Humidity18%
Visibility6.2 mi
Dew point36°
Thu, 1381° / 52°0.03
Morning59°feels 58°
Afternoon76°feels 75°
Evening71°feels 70°
Overnight55°feels 54°
81 °
Sidney, Thursday, 13 August
Light rain. High 81°, low 52°.
Pressure29.85 inHg
Wind8.7 mph W
Humidity30%
Visibility—
Dew point40°
Fri, 1472° / 55°0.15
Morning61°feels 60°
Afternoon71°feels 70°
Evening64°feels 63°
Overnight58°feels 57°
72 °
Sidney, Friday, 14 August
Light rain. High 72°, low 55°.
Pressure29.97 inHg
Wind14.2 mph SW
Humidity46%
Visibility—
Dew point48°
Sat, 1577° / 53°0.02
Morning60°feels 58°
Afternoon76°feels 75°
Evening70°feels 69°
Overnight59°feels 57°
77 °
Sidney, Saturday, 15 August
Light rain. High 77°, low 53°.
Pressure30.06 inHg
Wind7.3 mph NW
Humidity33%
Visibility—
Dew point42°
Sun, 1683° / 53°0
Morning62°feels 60°
Afternoon82°feels 80°
Evening79°feels 77°
Overnight62°feels 61°
83 °
Sidney, Sunday, 16 August
Clear. High 83°, low 53°.
Pressure30.03 inHg
Wind12 mph NW
Humidity21%
Visibility—
Dew point35°
Mon, 1786° / 56°0
Morning63°feels 61°
Afternoon82°feels 80°
Evening79°feels 77°
Overnight64°feels 62°
86 °
Sidney, Monday, 17 August
Mostly clear. High 86°, low 56°.
Pressure30.03 inHg
Wind12.9 mph W
Humidity21%
Visibility—
Dew point35°
Tue, 1882° / 56°0.01
Morning63°feels 62°
Afternoon81°feels 80°
Evening75°feels 74°
Overnight58°feels 57°
82 °
Sidney, Tuesday, 18 August
Light rain. High 82°, low 56°.
Pressure29.94 inHg
Wind8.9 mph S
Humidity22%
Visibility—
Dew point36°
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.