10-day forecast for Griswold, IL: 58° to 94°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Sunday, August 9
78° · 0.59 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1094° / 74°0.03
Morning78°feels 79°
Afternoon92°feels 105°
Evening82°feels 88°
Overnight79°feels 80°
94 °
Griswold, Monday, 10 August
Light rain. High 94°, low 74°.
Pressure29.91 inHg
Wind11.3 mph SW
Humidity67%
Visibility6.2 mi
Dew point73°
Tue, 1190° / 66°0.15
Morning73°feels 74°
Afternoon89°feels 99°
Evening81°feels 87°
Overnight66°feels 67°
90 °
Griswold, Tuesday, 11 August
Rain. High 90°, low 66°.
Pressure29.85 inHg
Wind15.5 mph SW
Humidity65%
Visibility6.2 mi
Dew point74°
Wed, 1284° / 69°0.06
Morning71°feels 72°
Afternoon84°feels 88°
Evening75°feels 76°
Overnight74°feels 75°
84 °
Griswold, Wednesday, 12 August
Rain. High 84°, low 69°.
Pressure29.85 inHg
Wind5.6 mph N
Humidity67%
Visibility6.2 mi
Dew point69°
Thu, 1378° / 64°0.59
Morning70°feels 71°
Afternoon75°feels 76°
Evening64°feels 65°
Overnight66°feels 67°
78 °
Griswold, Thursday, 13 August
Rain. High 78°, low 64°.
Pressure29.91 inHg
Wind18.2 mph NE
Humidity72%
Visibility—
Dew point66°
Fri, 1473° / 63°0.04
Morning67°feels 67°
Afternoon72°feels 73°
Evening69°feels 70°
Overnight65°feels 65°
73 °
Griswold, Friday, 14 August
Light rain. High 73°, low 63°.
Pressure30.12 inHg
Wind12.3 mph NE
Humidity68%
Visibility—
Dew point60°
Sat, 1575° / 62°0.21
Morning65°feels 65°
Afternoon71°feels 72°
Evening71°feels 72°
Overnight66°feels 66°
75 °
Griswold, Saturday, 15 August
Light rain. High 75°, low 62°.
Pressure30.18 inHg
Wind15.6 mph SE
Humidity80%
Visibility—
Dew point63°
Sun, 1679° / 67°0
Morning71°feels 72°
Afternoon78°feels 78°
Evening72°feels 73°
Overnight70°feels 71°
79 °
Griswold, Sunday, 16 August
Overcast. High 79°, low 67°.
Pressure29.97 inHg
Wind13.2 mph NW
Humidity77%
Visibility—
Dew point70°
Mon, 1775° / 62°0
Morning69°feels 69°
Afternoon74°feels 74°
Evening68°feels 68°
Overnight63°feels 63°
75 °
Griswold, Monday, 17 August
Overcast. High 75°, low 62°.
Pressure30.09 inHg
Wind8.4 mph N
Humidity60%
Visibility—
Dew point59°
Tue, 1879° / 58°0
Morning64°feels 64°
Afternoon76°feels 77°
Evening75°feels 76°
Overnight67°feels 68°
79 °
Griswold, Tuesday, 18 August
Overcast. High 79°, low 58°.
Pressure29.88 inHg
Wind9.8 mph S
Humidity68%
Visibility—
Dew point62°
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 Griswold, 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.