10-day forecast for Effingham, IL: 63° to 94°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
94°
Best day: Tuesday, August 11
81° · 1.62 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 75°0.02
Morning78°feels 79°
Afternoon90°feels 99°
Evening81°feels 85°
Overnight80°feels 84°
91 °
Effingham, Monday, 10 August
Light rain. High 91°, low 75°.
Pressure29.97 inHg
Wind13.7 mph SW
Humidity68%
Visibility6.2 mi
Dew point73°
Tue, 1194° / 76°0.01
Morning77°feels 78°
Afternoon92°feels 102°
Evening84°feels 90°
Overnight78°feels 79°
94 °
Effingham, Tuesday, 11 August
Light rain. High 94°, low 76°.
Pressure29.88 inHg
Wind13.8 mph SW
Humidity61%
Visibility6.2 mi
Dew point74°
Wed, 1286° / 70°0.2
Morning75°feels 76°
Afternoon83°feels 90°
Evening72°feels 73°
Overnight82°feels 85°
86 °
Effingham, Wednesday, 12 August
Rain. High 86°, low 70°.
Pressure29.85 inHg
Wind4.9 mph W
Humidity67%
Visibility6.2 mi
Dew point73°
Thu, 1381° / 65°1.62
Morning72°feels 74°
Afternoon79°feels 83°
Evening69°feels 70°
Overnight66°feels 67°
81 °
Effingham, Thursday, 13 August
Heavy rain. High 81°, low 65°.
Pressure29.94 inHg
Wind15.7 mph NE
Humidity75%
Visibility—
Dew point71°
Fri, 1474° / 66°0.34
Morning67°feels 68°
Afternoon71°feels 72°
Evening70°feels 71°
Overnight68°feels 69°
74 °
Effingham, Friday, 14 August
Rain. High 74°, low 66°.
Pressure30.06 inHg
Wind11.4 mph E
Humidity90%
Visibility—
Dew point67°
Sat, 1573° / 64°0.08
Morning66°feels 67°
Afternoon71°feels 71°
Evening68°feels 69°
Overnight65°feels 65°
73 °
Effingham, Saturday, 15 August
Light rain. High 73°, low 64°.
Pressure30.24 inHg
Wind14.4 mph E
Humidity75%
Visibility—
Dew point62°
Sun, 1678° / 63°0.21
Morning68°feels 69°
Afternoon77°feels 78°
Evening73°feels 74°
Overnight68°feels 69°
78 °
Effingham, Sunday, 16 August
Light rain. High 78°, low 63°.
Pressure30.06 inHg
Wind8.9 mph SE
Humidity80%
Visibility—
Dew point69°
Mon, 1779° / 66°0.13
Morning69°feels 70°
Afternoon76°feels 78°
Evening75°feels 76°
Overnight69°feels 70°
79 °
Effingham, Monday, 17 August
Light rain. High 79°, low 66°.
Pressure30.06 inHg
Wind6.4 mph N
Humidity85%
Visibility—
Dew point70°
Tue, 1881° / 66°0
Morning71°feels 73°
Afternoon81°feels 85°
Evening78°feels 78°
Overnight72°feels 74°
81 °
Effingham, Tuesday, 18 August
Overcast. High 81°, low 66°.
Pressure30.00 inHg
Wind6.4 mph E
Humidity72%
Visibility—
Dew point69°
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 Effingham, 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.