10-day forecast for Raritan, IL: 61° to 93°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
93°
Best day: Tuesday, August 11
65° · 1.74 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 73°0
Morning77°feels 78°
Afternoon90°feels 100°
Evening80°feels 80°
Overnight79°feels 80°
90 °
Raritan, Monday, 10 August
Light rain. High 90°, low 73°.
Pressure29.88 inHg
Wind5.7 mph W
Humidity64%
Visibility6.2 mi
Dew point70°
Tue, 1193° / 71°0.01
Morning74°feels 75°
Afternoon93°feels 102°
Evening83°feels 90°
Overnight76°feels 77°
93 °
Raritan, Tuesday, 11 August
Light rain. High 93°, low 71°.
Pressure29.80 inHg
Wind8.9 mph SW
Humidity59%
Visibility6.2 mi
Dew point72°
Wed, 1282° / 73°0.28
Morning76°feels 78°
Afternoon81°feels 85°
Evening76°feels 77°
Overnight76°feels 77°
82 °
Raritan, Wednesday, 12 August
Rain. High 82°, low 73°.
Pressure29.85 inHg
Wind7.4 mph NE
Humidity89%
Visibility6.2 mi
Dew point75°
Thu, 1379° / 64°0.08
Morning68°feels 68°
Afternoon78°feels 78°
Evening69°feels 70°
Overnight69°feels 70°
79 °
Raritan, Thursday, 13 August
Light rain. High 79°, low 64°.
Pressure29.97 inHg
Wind17.4 mph E
Humidity62%
Visibility—
Dew point63°
Fri, 1465° / 62°1.74
Morning63°feels 63°
Afternoon63°feels 63°
Evening65°feels 65°
Overnight62°feels 63°
65 °
Raritan, Friday, 14 August
Heavy rain. High 65°, low 62°.
Pressure30.15 inHg
Wind13.8 mph E
Humidity94%
Visibility—
Dew point60°
Sat, 1573° / 61°0.18
Morning64°feels 64°
Afternoon72°feels 73°
Evening72°feels 73°
Overnight67°feels 68°
73 °
Raritan, Saturday, 15 August
Light rain. High 73°, low 61°.
Pressure30.15 inHg
Wind13.4 mph SE
Humidity84%
Visibility—
Dew point65°
Sun, 1680° / 66°0.02
Morning70°feels 71°
Afternoon78°feels 80°
Evening75°feels 77°
Overnight70°feels 71°
80 °
Raritan, Sunday, 16 August
Light rain. High 80°, low 66°.
Pressure30.06 inHg
Wind9.4 mph SE
Humidity80%
Visibility—
Dew point70°
Mon, 1781° / 66°0
Morning70°feels 71°
Afternoon80°feels 82°
Evening77°feels 78°
Overnight70°feels 70°
81 °
Raritan, Monday, 17 August
Overcast. High 81°, low 66°.
Pressure30.09 inHg
Wind6.6 mph E
Humidity66%
Visibility—
Dew point66°
Tue, 1885° / 66°0
Morning71°feels 72°
Afternoon81°feels 84°
Evening80°feels 83°
Overnight74°feels 75°
85 °
Raritan, Tuesday, 18 August
Overcast. High 85°, low 66°.
Pressure29.97 inHg
Wind10.6 mph SE
Humidity63%
Visibility—
Dew point65°
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 Raritan, 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.