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As of 15:36 CDT

Weather in Ottawa, IL

74°Current weather

Ottawa, Thursday, 22 October, 15:36

Clear. Feels like 73°. High 74°, low 46°.

Pressure30.21 inHg
Wind1.5 mph E
Humidity45%
Visibility6.2 mi
Dew point51°

10-day forecast for Ottawa, IL: 44° to 74°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

74°
Best day: Thursday, October 22
57° · 0.65 in
Worst day: Friday, October 30

Tap any day below to see morning, afternoon, evening and overnight.

Fri, 2372° / 47°0Clear
MorningClear51°feels 50°
AfternoonClear71°feels 70°
EveningClear55°feels 54°
OvernightClear52°feels 51°
72 °Clear

Ottawa, Friday, 23 October

Clear. High 72°, low 47°.

Pressure30.30 inHg
Wind5 mph SE
Humidity53%
Visibility6.2 mi
Dew point50°
Sat, 2469° / 46°0Overcast
MorningOvercast48°feels 47°
AfternoonOvercast69°feels 68°
EveningOvercast57°feels 56°
OvernightMostly clear50°feels 49°
69 °Overcast

Ottawa, Saturday, 24 October

Overcast. High 69°, low 46°.

Pressure30.36 inHg
Wind6 mph S
Humidity56%
Visibility6.2 mi
Dew point50°
Sun, 2572° / 49°0Clear
MorningOvercast52°feels 50°
AfternoonMostly clear71°feels 70°
EveningOvercast59°feels 58°
OvernightOvercast52°feels 51°
72 °Clear

Ottawa, Sunday, 25 October

Clear. High 72°, low 49°.

Pressure30.39 inHg
Wind4.2 mph S
Humidity56%
Visibility6.2 mi
Dew point51°
Mon, 2668° / 49°0Overcast
MorningOvercast52°feels 51°
AfternoonOvercast67°feels 67°
EveningOvercast57°feels 57°
OvernightOvercast52°feels 51°
68 °Overcast

Ottawa, Monday, 26 October

Overcast. High 68°, low 49°.

Pressure30.39 inHg
Wind6.1 mph NE
Humidity71%
Visibility6.2 mi
Dew point55°
Tue, 2767° / 49°0Overcast
MorningOvercast54°feels 52°
AfternoonOvercast64°feels 63°
EveningOvercast58°feels 57°
OvernightOvercast54°feels 52°
67 °Overcast

Ottawa, Tuesday, 27 October

Overcast. High 67°, low 49°.

Pressure30.30 inHg
Wind7.8 mph E
Humidity62%
Visibility—
Dew point50°
Wed, 2864° / 50°0Partly cloudy
MorningPartly cloudy53°feels 52°
AfternoonPartly cloudy61°feels 60°
EveningPartly cloudy56°feels 55°
OvernightPartly cloudy53°feels 52°
64 °Partly cloudy

Ottawa, Wednesday, 28 October

Partly cloudy. High 64°, low 50°.

Pressure30.12 inHg
Wind8.3 mph W
Humidity55%
Visibility—
Dew point44°
Thu, 2962° / 52°0.19Rain
MorningRain54°feels 52°
AfternoonRain58°feels 56°
EveningRain57°feels 56°
OvernightRain54°feels 54°
62 °Rain

Ottawa, Thursday, 29 October

Rain. High 62°, low 52°.

Pressure30.15 inHg
Wind5.7 mph SW
Humidity71%
Visibility—
Dew point47°
Fri, 3057° / 50°0.65Rain
MorningRain56°feels 56°
AfternoonRain56°feels 55°
EveningRain51°feels 49°
OvernightRain51°feels 48°
57 °Rain

Ottawa, Friday, 30 October

Rain. High 57°, low 50°.

Pressure29.97 inHg
Wind11.7 mph N
Humidity96%
Visibility—
Dew point55°
Sat, 3157° / 44°0Overcast
MorningOvercast47°feels 44°
AfternoonOvercast55°feels 53°
EveningOvercast50°feels 48°
OvernightOvercast48°feels 46°
57 °Overcast

Ottawa, Saturday, 31 October

Overcast. High 57°, low 44°.

Pressure30.15 inHg
Wind8.3 mph NE
Humidity55%
Visibility—
Dew point38°

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 Ottawa, 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.