10-day forecast for Grantfork, IL: 49° to 71°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Saturday, October 31
63° · 1.24 in
Worst day: Sunday, November 8
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0169° / 57°0.04
Morning62°feels 62°
Afternoon68°feels 68°
Evening60°feels 59°
Overnight65°feels 64°
69 °
Grantfork, Sunday, 1 November
Light rain. High 69°, low 57°.
Pressure30.27 inHg
Wind10.9 mph SE
Humidity72%
Visibility6.2 mi
Dew point54°
Mon, 0268° / 57°0
Morning58°feels 58°
Afternoon66°feels 66°
Evening64°feels 64°
Overnight57°feels 56°
68 °
Grantfork, Monday, 2 November
Overcast. High 68°, low 57°.
Pressure30.06 inHg
Wind13.4 mph S
Humidity81%
Visibility6.2 mi
Dew point58°
Tue, 0371° / 63°0.02
Morning64°feels 64°
Afternoon70°feels 70°
Evening68°feels 68°
Overnight64°feels 63°
71 °
Grantfork, Tuesday, 3 November
Light rain. High 71°, low 63°.
Pressure29.94 inHg
Wind16.4 mph S
Humidity71%
Visibility6.2 mi
Dew point60°
Wed, 0469° / 63°1.16
Morning65°feels 65°
Afternoon68°feels 68°
Evening63°feels 64°
Overnight65°feels 66°
69 °
Grantfork, Wednesday, 4 November
Rain. High 69°, low 63°.
Pressure29.74 inHg
Wind11.7 mph SE
Humidity86%
Visibility—
Dew point64°
Thu, 0566° / 57°0.35
Morning63°feels 64°
Afternoon65°feels 66°
Evening60°feels 60°
Overnight58°feels 58°
66 °
Grantfork, Thursday, 5 November
Light rain. High 66°, low 57°.
Pressure29.59 inHg
Wind6.8 mph N
Humidity89%
Visibility—
Dew point62°
Fri, 0669° / 49°0
Morning54°feels 52°
Afternoon66°feels 65°
Evening61°feels 60°
Overnight59°feels 58°
69 °
Grantfork, Friday, 6 November
Clear. High 69°, low 49°.
Pressure29.94 inHg
Wind7.2 mph NE
Humidity51%
Visibility—
Dew point46°
Sat, 0768° / 61°0.12
Morning62°feels 62°
Afternoon65°feels 65°
Evening64°feels 65°
Overnight62°feels 62°
68 °
Grantfork, Saturday, 7 November
Light rain. High 68°, low 61°.
Pressure29.94 inHg
Wind7 mph SE
Humidity85%
Visibility—
Dew point60°
Sun, 0863° / 60°1.24
Morning61°feels 61°
Afternoon62°feels 62°
Evening61°feels 61°
Overnight60°feels 60°
63 °
Grantfork, Sunday, 8 November
Heavy rain. High 63°, low 60°.
Pressure29.94 inHg
Wind6.9 mph SE
Humidity95%
Visibility—
Dew point60°
Mon, 0968° / 56°0.6
Morning60°feels 59°
Afternoon67°feels 66°
Evening59°feels 58°
Overnight56°feels 56°
68 °
Grantfork, Monday, 9 November
Rain. High 68°, low 56°.
Pressure29.85 inHg
Wind12 mph E
Humidity64%
Visibility—
Dew point54°
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 Grantfork, 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.