EN
English Español

As of 05:18 CDT

Weather in Ottawa, IL

67°Current weather

Ottawa, Sunday, 9 August, 05:18

Partly cloudy. Feels like 67°. High 86°, low 66°.

Pressure30.00 inHg
Wind4.6 mph S
Humidity97%
Visibility6.2 mi
Dew point65°

Two-week outlook for Ottawa, IL: week one averages a high of 81° and week two 84.4°, so week two runs 3.4° warmer than week one. Around 0.7 inches of precipitation are expected over the 14 days, across 4 wet days. The nearest weekend, August 9: 86°, with precipitation.

Week one vs week two

WeekHighLowPrecipitationVs normal
1st (August 9 – August 15)81°65.5°0.7 in / 4 d—
2nd (August 16 – August 22)84.4°67.7°0.1 in / 0 d—

Weekend weather

Sun, August 9
Light rain
86°66°
0.06 in
Sat, August 15
Overcast
74°61°
no precip.
Sun, August 16
Light rain
76°62°
0.02 in
Sat, August 22
Clear
93°68°
no precip.
Mon, 1091° / 72°0Partly cloudy
91 °Partly cloudy

Ottawa, Monday, 10 August

Partly cloudy. High 91°, low 72°.

Pressure29.88 inHg
Wind6.2 mph W
Humidity76%
Visibility6.2 mi
Dew point75°
Tue, 1186° / 70°0.02Light rain
86 °Light rain

Ottawa, Tuesday, 11 August

Light rain. High 86°, low 70°.

Pressure29.83 inHg
Wind8.7 mph SW
Humidity79%
Visibility6.2 mi
Dew point73°
Wed, 1282° / 68°0.04Light rain
82 °Light rain

Ottawa, Wednesday, 12 August

Light rain. High 82°, low 68°.

Pressure29.85 inHg
Wind0.7 mph NE
Humidity83%
Visibility6.2 mi
Dew point73°
Thu, 1376° / 62°0.28Rain
76 °Rain

Ottawa, Thursday, 13 August

Rain. High 76°, low 62°.

Pressure30.00 inHg
Wind8.5 mph NE
Humidity72%
Visibility—
Dew point64°
Fri, 1473° / 59°0.25Rain
73 °Rain

Ottawa, Friday, 14 August

Rain. High 73°, low 59°.

Pressure30.15 inHg
Wind11.7 mph E
Humidity63%
Visibility—
Dew point57°
Sat, 1574° / 61°0Overcast
74 °Overcast

Ottawa, Saturday, 15 August

Overcast. High 74°, low 61°.

Pressure30.21 inHg
Wind11.5 mph SE
Humidity67%
Visibility—
Dew point60°
Sun, 1676° / 62°0.02Light rain
76 °Light rain

Ottawa, Sunday, 16 August

Light rain. High 76°, low 62°.

Pressure30.09 inHg
Wind7 mph SE
Humidity78%
Visibility—
Dew point65°
Mon, 1781° / 65°0Light rain
81 °Light rain

Ottawa, Monday, 17 August

Light rain. High 81°, low 65°.

Pressure30.09 inHg
Wind5.9 mph N
Humidity72%
Visibility—
Dew point67°
Tue, 1878° / 63°0Overcast
78 °Overcast

Ottawa, Tuesday, 18 August

Overcast. High 78°, low 63°.

Pressure30.03 inHg
Wind7.3 mph SE
Humidity75%
Visibility—
Dew point68°
Wed, 1988° / 68°0.03Light rain
88 °Light rain

Ottawa, Wednesday, 19 August

Light rain. High 88°, low 68°.

Pressure29.88 inHg
Wind15.8 mph S
Humidity73%
Visibility—
Dew point73°
Thu, 2089° / 75°0Overcast
89 °Overcast

Ottawa, Thursday, 20 August

Overcast. High 89°, low 75°.

Pressure29.77 inHg
Wind8.5 mph S
Humidity62%
Visibility—
Dew point72°
Fri, 2186° / 73°0Mostly clear
86 °Mostly clear

Ottawa, Friday, 21 August

Mostly clear. High 86°, low 73°.

Pressure29.91 inHg
Wind13.3 mph NE
Humidity66%
Visibility—
Dew point71°
Sat, 2293° / 68°0Clear
93 °Clear

Ottawa, Saturday, 22 August

Clear. High 93°, low 68°.

Pressure29.85 inHg
Wind13.7 mph SW
Humidity69%
Visibility—
Dew point75°

About this forecast

Can I plan a trip on a 2-week forecast?

Week one is solid for planning — accuracy is high. Week two shows the trend: go by the averages and the comparison with normal, and check the details closer to the date.

What does the "Vs normal" column mean?

It is the gap between the forecast and the climate normal for those same dates in Ottawa, IL, computed over 60 years. A positive value means the week runs warmer than usual.

Why are weekends shown separately?

Saturday and Sunday plans are what people check most, so we give them their own cards with temperature and precipitation.