10-day forecast for Monterey, IL: 61° to 99°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
99°
Best day: Tuesday, August 11
68° · 1.41 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1094° / 76°0
Morning79°feels 79°
Afternoon93°feels 97°
Evening81°feels 84°
Overnight81°feels 85°
94 °
Monterey, Monday, 10 August
Overcast. High 94°, low 76°.
Pressure29.88 inHg
Wind10.1 mph W
Humidity48%
Visibility6.2 mi
Dew point68°
Tue, 1199° / 70°0.02
Morning73°feels 74°
Afternoon99°feels 103°
Evening84°feels 93°
Overnight76°feels 77°
99 °
Monterey, Tuesday, 11 August
Light rain. High 99°, low 70°.
Pressure29.83 inHg
Wind15.3 mph W
Humidity45%
Visibility6.2 mi
Dew point68°
Wed, 1288° / 74°0.2
Morning77°feels 78°
Afternoon86°feels 92°
Evening76°feels 78°
Overnight76°feels 78°
88 °
Monterey, Wednesday, 12 August
Light rain. High 88°, low 74°.
Pressure29.83 inHg
Wind6.6 mph E
Humidity74%
Visibility6.2 mi
Dew point73°
Thu, 1386° / 64°0.05
Morning71°feels 71°
Afternoon84°feels 84°
Evening69°feels 70°
Overnight70°feels 71°
86 °
Monterey, Thursday, 13 August
Light rain. High 86°, low 64°.
Pressure29.97 inHg
Wind13.6 mph NE
Humidity42%
Visibility—
Dew point58°
Fri, 1468° / 61°1.41
Morning63°feels 63°
Afternoon62°feels 62°
Evening67°feels 67°
Overnight63°feels 64°
68 °
Monterey, Friday, 14 August
Heavy rain. High 68°, low 61°.
Pressure30.15 inHg
Wind12.5 mph NE
Humidity88%
Visibility—
Dew point58°
Sat, 1575° / 61°0.14
Morning65°feels 65°
Afternoon74°feels 75°
Evening73°feels 74°
Overnight67°feels 68°
75 °
Monterey, Saturday, 15 August
Light rain. High 75°, low 61°.
Pressure30.18 inHg
Wind11.3 mph SE
Humidity76%
Visibility—
Dew point64°
Sun, 1682° / 66°0.02
Morning71°feels 73°
Afternoon82°feels 85°
Evening76°feels 78°
Overnight71°feels 72°
82 °
Monterey, Sunday, 16 August
Light rain. High 82°, low 66°.
Pressure30.06 inHg
Wind7.2 mph SE
Humidity68%
Visibility—
Dew point69°
Mon, 1785° / 66°0
Morning71°feels 73°
Afternoon83°feels 85°
Evening78°feels 78°
Overnight70°feels 71°
85 °
Monterey, Monday, 17 August
Overcast. High 85°, low 66°.
Pressure30.06 inHg
Wind5.8 mph NE
Humidity56%
Visibility—
Dew point64°
Tue, 1885° / 67°0
Morning72°feels 73°
Afternoon83°feels 85°
Evening79°feels 82°
Overnight73°feels 74°
85 °
Monterey, Tuesday, 18 August
Partly cloudy. High 85°, low 67°.
Pressure30.00 inHg
Wind11 mph SE
Humidity53%
Visibility—
Dew point63°
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 Monterey, 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.