10-day forecast for Grantfork, IL: 43° to 74°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Saturday, October 24
60° · 0.11 in
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2073° / 44°0
Morning47°feels 46°
Afternoon72°feels 71°
Evening57°feels 56°
Overnight48°feels 47°
73 °
Grantfork, Tuesday, 20 October
Clear. High 73°, low 44°.
Pressure30.36 inHg
Wind2 mph SE
Humidity41%
Visibility6.2 mi
Dew point44°
Wed, 2172° / 47°0
Morning48°feels 48°
Afternoon71°feels 70°
Evening59°feels 58°
Overnight50°feels 49°
72 °
Grantfork, Wednesday, 21 October
Clear. High 72°, low 47°.
Pressure30.30 inHg
Wind0.3 mph S
Humidity43%
Visibility6.2 mi
Dew point45°
Thu, 2271° / 49°0
Morning53°feels 52°
Afternoon71°feels 69°
Evening59°feels 58°
Overnight52°feels 51°
71 °
Grantfork, Thursday, 22 October
Clear. High 71°, low 49°.
Pressure30.30 inHg
Wind5.3 mph NE
Humidity45%
Visibility6.2 mi
Dew point46°
Fri, 2369° / 49°0
Morning54°feels 53°
Afternoon67°feels 65°
Evening59°feels 58°
Overnight52°feels 51°
69 °
Grantfork, Friday, 23 October
Clear. High 69°, low 49°.
Pressure30.33 inHg
Wind7.4 mph SE
Humidity47%
Visibility—
Dew point45°
Sat, 2474° / 49°0
Morning56°feels 53°
Afternoon70°feels 68°
Evening64°feels 62°
Overnight60°feels 58°
74 °
Grantfork, Saturday, 24 October
Overcast. High 74°, low 49°.
Pressure30.36 inHg
Wind9.2 mph S
Humidity41%
Visibility—
Dew point43°
Sun, 2570° / 56°0
Morning60°feels 58°
Afternoon62°feels 60°
Evening59°feels 56°
Overnight57°feels 54°
70 °
Grantfork, Sunday, 25 October
Overcast. High 70°, low 56°.
Pressure30.33 inHg
Wind9.9 mph S
Humidity47%
Visibility—
Dew point42°
Mon, 2672° / 54°0
Morning57°feels 55°
Afternoon65°feels 63°
Evening63°feels 61°
Overnight60°feels 58°
72 °
Grantfork, Monday, 26 October
Overcast. High 72°, low 54°.
Pressure30.21 inHg
Wind12.1 mph S
Humidity49%
Visibility—
Dew point44°
Tue, 2764° / 56°0.03
Morning59°feels 57°
Afternoon62°feels 60°
Evening57°feels 56°
Overnight56°feels 55°
64 °
Grantfork, Tuesday, 27 October
Light rain. High 64°, low 56°.
Pressure30.12 inHg
Wind7.6 mph S
Humidity45%
Visibility—
Dew point40°
Wed, 2860° / 55°0.11
Morning56°feels 55°
Afternoon59°feels 58°
Evening58°feels 57°
Overnight56°feels 56°
60 °
Grantfork, Wednesday, 28 October
Light rain. High 60°, low 55°.
Pressure30.12 inHg
Wind7.1 mph SE
Humidity72%
Visibility—
Dew point49°
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.