10-day forecast for Jamestown, CO: 51° to 84°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Tuesday, August 18
73° · 0.87 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1084° / 52°0.05
Morning62°feels 59°
Afternoon81°feels 79°
Evening61°feels 60°
Overnight60°feels 58°
84 °
Jamestown, Monday, 10 August
Light rain. High 84°, low 52°.
Pressure29.88 inHg
Wind5 mph E
Humidity18%
Visibility6.2 mi
Dew point37°
Tue, 1180° / 56°0
Morning67°feels 66°
Afternoon80°feels 80°
Evening62°feels 61°
Overnight58°feels 56°
80 °
Jamestown, Tuesday, 11 August
Light rain. High 80°, low 56°.
Pressure29.91 inHg
Wind11.4 mph E
Humidity22%
Visibility6.2 mi
Dew point37°
Wed, 1278° / 57°0.09
Morning70°feels 68°
Afternoon82°feels 80°
Evening57°feels 56°
Overnight60°feels 58°
78 °
Jamestown, Wednesday, 12 August
Light rain. High 78°, low 57°.
Pressure29.85 inHg
Wind9.8 mph E
Humidity21%
Visibility6.2 mi
Dew point36°
Thu, 1373° / 53°0.87
Morning61°feels 59°
Afternoon70°feels 69°
Evening54°feels 53°
Overnight54°feels 53°
73 °
Jamestown, Thursday, 13 August
Heavy rain. High 73°, low 53°.
Pressure29.85 inHg
Wind11 mph W
Humidity37%
Visibility—
Dew point43°
Fri, 1470° / 53°0.18
Morning56°feels 55°
Afternoon62°feels 61°
Evening65°feels 64°
Overnight55°feels 55°
70 °
Jamestown, Friday, 14 August
Light rain. High 70°, low 53°.
Pressure30.03 inHg
Wind7.2 mph E
Humidity68%
Visibility—
Dew point49°
Sat, 1564° / 53°0.55
Morning56°feels 55°
Afternoon64°feels 63°
Evening59°feels 59°
Overnight55°feels 54°
64 °
Jamestown, Saturday, 15 August
Rain. High 64°, low 53°.
Pressure30.18 inHg
Wind8.8 mph E
Humidity68%
Visibility—
Dew point52°
Sun, 1672° / 51°0.09
Morning57°feels 56°
Afternoon71°feels 70°
Evening65°feels 65°
Overnight57°feels 56°
72 °
Jamestown, Sunday, 16 August
Light rain. High 72°, low 51°.
Pressure30.09 inHg
Wind8.4 mph W
Humidity38%
Visibility—
Dew point42°
Mon, 1776° / 54°0.06
Morning60°feels 58°
Afternoon74°feels 72°
Evening59°feels 58°
Overnight56°feels 54°
76 °
Jamestown, Monday, 17 August
Light rain. High 76°, low 54°.
Pressure30.06 inHg
Wind10.3 mph W
Humidity26%
Visibility—
Dew point36°
Tue, 1881° / 55°0
Morning62°feels 60°
Afternoon79°feels 79°
Evening76°feels 75°
Overnight64°feels 62°
81 °
Jamestown, Tuesday, 18 August
Clear. High 81°, low 55°.
Pressure30.03 inHg
Wind10.9 mph W
Humidity24%
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 Jamestown, 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.