10-day forecast for Allendale, IL: 55° to 95°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
95°
Best day: Tuesday, August 11
81° · 1.72 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0992° / 74°0
Morning79°feels 80°
Afternoon91°feels 102°
Evening84°feels 93°
Overnight76°feels 78°
92 °
Allendale, Sunday, 9 August
Mostly clear. High 92°, low 74°.
Pressure30.03 inHg
Wind11.7 mph S
Humidity67%
Visibility6.2 mi
Dew point73°
Mon, 1093° / 76°0
Morning77°feels 78°
Afternoon92°feels 100°
Evening82°feels 88°
Overnight78°feels 79°
93 °
Allendale, Monday, 10 August
Clear. High 93°, low 76°.
Pressure30.00 inHg
Wind15.3 mph SW
Humidity63%
Visibility6.2 mi
Dew point74°
Tue, 1195° / 75°0
Morning77°feels 79°
Afternoon94°feels 102°
Evening84°feels 91°
Overnight79°feels 79°
95 °
Allendale, Tuesday, 11 August
Mostly clear. High 95°, low 75°.
Pressure29.91 inHg
Wind14.4 mph SW
Humidity58%
Visibility6.2 mi
Dew point73°
Wed, 1289° / 72°0.07
Morning75°feels 77°
Afternoon90°feels 98°
Evening74°feels 76°
Overnight82°feels 84°
89 °
Allendale, Wednesday, 12 August
Light rain. High 89°, low 72°.
Pressure29.83 inHg
Wind9 mph W
Humidity60%
Visibility6.2 mi
Dew point72°
Thu, 1381° / 70°1.72
Morning74°feels 76°
Afternoon80°feels 84°
Evening73°feels 74°
Overnight71°feels 73°
81 °
Allendale, Thursday, 13 August
Heavy rain. High 81°, low 70°.
Pressure29.88 inHg
Wind11.8 mph S
Humidity79%
Visibility—
Dew point72°
Fri, 1476° / 62°0.1
Morning67°feels 67°
Afternoon75°feels 75°
Evening67°feels 68°
Overnight62°feels 62°
76 °
Allendale, Friday, 14 August
Light rain. High 76°, low 62°.
Pressure30.12 inHg
Wind11.8 mph N
Humidity61%
Visibility—
Dew point60°
Sat, 1576° / 55°0
Morning61°feels 61°
Afternoon74°feels 73°
Evening69°feels 69°
Overnight61°feels 61°
76 °
Allendale, Saturday, 15 August
Partly cloudy. High 76°, low 55°.
Pressure30.30 inHg
Wind7.5 mph E
Humidity55%
Visibility—
Dew point54°
Sun, 1679° / 58°0.01
Morning64°feels 63°
Afternoon76°feels 76°
Evening73°feels 73°
Overnight67°feels 67°
79 °
Allendale, Sunday, 16 August
Light rain. High 79°, low 58°.
Pressure30.21 inHg
Wind7.7 mph SE
Humidity56%
Visibility—
Dew point57°
Mon, 1784° / 66°0.26
Morning72°feels 74°
Afternoon83°feels 89°
Evening79°feels 79°
Overnight72°feels 73°
84 °
Allendale, Monday, 17 August
Rain. High 84°, low 66°.
Pressure30.00 inHg
Wind15.5 mph SW
Humidity70%
Visibility—
Dew point71°
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 Allendale, 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.