10-day forecast for Jamestown, IL: 27° to 69°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Friday, November 20
48°
Worst day: Saturday, November 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1551° / 27°0
Morning36°feels 33°
Afternoon51°feels 48°
Evening41°feels 41°
Overnight29°feels 29°
51 °
Jamestown, Sunday, 15 November
Partly cloudy. High 51°, low 27°.
Pressure30.45 inHg
Wind1.6 mph NE
Humidity51%
Visibility6.2 mi
Dew point30°
Mon, 1653° / 32°0
Morning38°feels 35°
Afternoon53°feels 51°
Evening41°feels 40°
Overnight33°feels 30°
53 °
Jamestown, Monday, 16 November
Clear. High 53°, low 32°.
Pressure30.53 inHg
Wind2.6 mph S
Humidity49%
Visibility6.2 mi
Dew point33°
Tue, 1756° / 33°0
Morning38°feels 33°
Afternoon56°feels 53°
Evening44°feels 40°
Overnight35°feels 32°
56 °
Jamestown, Tuesday, 17 November
Clear. High 56°, low 33°.
Pressure30.53 inHg
Wind5.5 mph S
Humidity54%
Visibility6.2 mi
Dew point37°
Wed, 1859° / 38°0
Morning43°feels 39°
Afternoon58°feels 56°
Evening50°feels 47°
Overnight40°feels 36°
59 °
Jamestown, Wednesday, 18 November
Overcast. High 59°, low 38°.
Pressure30.39 inHg
Wind9.4 mph S
Humidity51%
Visibility6.2 mi
Dew point39°
Thu, 1960° / 44°0
Morning49°feels 45°
Afternoon57°feels 55°
Evening54°feels 53°
Overnight50°feels 49°
60 °
Jamestown, Thursday, 19 November
Light rain. High 60°, low 44°.
Pressure30.30 inHg
Wind8.4 mph S
Humidity57%
Visibility—
Dew point41°
Fri, 2069° / 49°0
Morning56°feels 55°
Afternoon67°feels 66°
Evening58°feels 56°
Overnight55°feels 53°
69 °
Jamestown, Friday, 20 November
Overcast. High 69°, low 49°.
Pressure30.21 inHg
Wind10.8 mph S
Humidity61%
Visibility—
Dew point52°
Sat, 2165° / 53°0.04
Morning56°feels 55°
Afternoon62°feels 61°
Evening58°feels 57°
Overnight54°feels 53°
65 °
Jamestown, Saturday, 21 November
Light rain. High 65°, low 53°.
Pressure30.00 inHg
Wind17.7 mph S
Humidity59%
Visibility—
Dew point47°
Sun, 2255° / 42°0
Morning46°feels 42°
Afternoon53°feels 50°
Evening45°feels 41°
Overnight42°feels 37°
55 °
Jamestown, Sunday, 22 November
Clear. High 55°, low 42°.
Pressure30.30 inHg
Wind11.6 mph NW
Humidity48%
Visibility—
Dew point34°
Mon, 2351° / 35°0
Morning39°feels 34°
Afternoon48°feels 44°
Evening41°feels 35°
Overnight37°feels 31°
51 °
Jamestown, Monday, 23 November
Clear. High 51°, low 35°.
Pressure30.47 inHg
Wind9.6 mph NE
Humidity34%
Visibility—
Dew point20°
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, IL 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.