10-day forecast for Griffin, IL: 60° to 92°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
92°
Best day: Sunday, August 9
66° · 0.38 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 72°0
Morning76°feels 77°
Afternoon87°feels 93°
Evening80°feels 84°
Overnight77°feels 78°
88 °
Griffin, Monday, 10 August
Overcast. High 88°, low 72°.
Pressure29.85 inHg
Wind4 mph S
Humidity71%
Visibility6.2 mi
Dew point71°
Tue, 1191° / 75°0
Morning77°feels 78°
Afternoon89°feels 96°
Evening81°feels 87°
Overnight75°feels 76°
91 °
Griffin, Tuesday, 11 August
Overcast. High 91°, low 75°.
Pressure29.77 inHg
Wind15.4 mph SW
Humidity63%
Visibility6.2 mi
Dew point72°
Wed, 1281° / 69°0.02
Morning74°feels 75°
Afternoon80°feels 80°
Evening74°feels 75°
Overnight73°feels 74°
81 °
Griffin, Wednesday, 12 August
Light rain. High 81°, low 69°.
Pressure29.88 inHg
Wind6.4 mph N
Humidity70%
Visibility6.2 mi
Dew point72°
Thu, 1374° / 63°0.05
Morning66°feels 67°
Afternoon73°feels 73°
Evening65°feels 66°
Overnight64°feels 65°
74 °
Griffin, Thursday, 13 August
Light rain. High 74°, low 63°.
Pressure29.97 inHg
Wind9.9 mph NE
Humidity76%
Visibility—
Dew point64°
Fri, 1477° / 61°0
Morning65°feels 65°
Afternoon76°feels 76°
Evening71°feels 71°
Overnight66°feels 66°
77 °
Griffin, Friday, 14 August
Overcast. High 77°, low 61°.
Pressure30.09 inHg
Wind10.6 mph E
Humidity61%
Visibility—
Dew point60°
Sat, 1566° / 61°0.38
Morning62°feels 62°
Afternoon61°feels 62°
Evening63°feels 63°
Overnight63°feels 63°
66 °
Griffin, Saturday, 15 August
Rain. High 66°, low 61°.
Pressure30.27 inHg
Wind11.4 mph E
Humidity92%
Visibility—
Dew point59°
Sun, 1675° / 60°0.01
Morning63°feels 63°
Afternoon71°feels 72°
Evening72°feels 73°
Overnight68°feels 68°
75 °
Griffin, Sunday, 16 August
Light rain. High 75°, low 60°.
Pressure30.12 inHg
Wind7 mph E
Humidity76%
Visibility—
Dew point62°
Mon, 1781° / 65°0.11
Morning69°feels 70°
Afternoon79°feels 79°
Evening76°feels 77°
Overnight68°feels 69°
81 °
Griffin, Monday, 17 August
Light rain. High 81°, low 65°.
Pressure30.06 inHg
Wind5.5 mph SE
Humidity70%
Visibility—
Dew point67°
Tue, 1884° / 65°0
Morning71°feels 72°
Afternoon82°feels 85°
Evening79°feels 83°
Overnight71°feels 72°
84 °
Griffin, Tuesday, 18 August
Overcast. High 84°, low 65°.
Pressure30.00 inHg
Wind8.9 mph SW
Humidity64%
Visibility—
Dew point66°
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 Griffin, 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.