FORECAST CITY
Sign in
Shaded-relief atlas plate of Ottawa, Wisconsin: rivers, roads, the city limits and where the water drains.
WISCONSIN · WAUKESHA COUNTY

Ottawa

3,667 people, in Waukesha County.

3,667People, 2024 estimate
33 sq miLand area
Sunny 75°
Sunny now Dew point 52° · S 8 mph · high 73°
City of Ottawa River Interstate 2 miles
Explore the plate Order a print

The Ottawa plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in Ottawa

NWS forecast and National Blend of Models · updated 1:00 PM CDT
RIGHT NOW Watertown (KRYV) · 2:35 PM
Sunny
75° Sunny Feels like 75° · high of 73° near 3 PM
WindS 8 mphno gusts
Humidity45%falling to 53% this afternoon
Pressure29.95 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 52° · Dry66° by Wednesday: more humid
DryComfortableStickyMuggyOppressive
NEXT RAIN
Mostly cloudy
Tomorrow, about 1 AMin about 10 hours · 42% chance · rain
LIKELY AMOUNT—amounts come within 3 days
LAST RAINSept. 160.05 in · 13 dry days
ALERTS & OUTLOOKS
No watches or warnings for Waukesha County
NWS Milwaukee/Sullivan and the Storm Prediction Center · checked 2:53 PM
SUN & MOON
↑ 6:48 AM6:39 PM ↓
11 h 50 m of daylight, 3 minutes less than yesterday
Waning gibbous, 89% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
46
GOODAir quality index · ozone
Tomorrow: None, moderate. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
TUESDAY, SEPT. 29
WEDNESDAY, SEPT. 30
THURSDAY, OCT. 1
FRIDAY, OCT. 2
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
partly cloudy day
mostly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
rain
rain
mostly cloudy day
rain
rain
rain
rain
rain
rain
rain
rain
rain
rain
rain
rain
mostly cloudy night
partly cloudy night
partly cloudy day
mostly sunny
TEMPERATURE °F
72°
60°
69°
64°
66°
49°
CHANCE OF RAIN
72% · 1.08 in Thursday overnight 50%
WIND, MPH
8
7
7
7
7
8
9
10
9
7
4
3
2
2
2
4
5
5
5
5
5
6
7
8
HOW IT FEELS · DEW POINT
Comfortable: dew points 47 to 66°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 68° / 46°
TUE Sept. 29 Partly cloudy Partly cloudy
73° 60°
10% rain — S 8 A
WED Sept. 30 Showers likely Showers likely
70° 62°
60% rain 0.3–1.3″ SSW 9 B
THU Oct. 1 Showers likely Showers likely
68° 49°
70% rain up to 1.6″ N 4 B
FRI Oct. 2 Mostly sunny Mostly sunny
65° 43°
0% rain — N 3 B
SAT Oct. 3 Partly cloudy Partly cloudy
65° 45°
10% rain — SSE 3 B
SUN Oct. 4 Mostly sunny Mostly sunny
65° 40°
0% rain — NNW 5 B
MON Oct. 5 Mostly sunny Mostly sunny
61° 41°
0% rain — SE 2 C
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

MILE7
ON THE NETWORK

Around Ottawa on the Forecast Network

Neighboring plates

Milwaukee WI · 26 MI 26 miles east Racine WI · 38 MI 38 miles southeast Madison WI · 49 MI 49 miles west Aurora IL · 85 MI 85 miles south Chicago IL · 89 MI 89 miles southeast Grand Rapids MI · 143 MI 143 miles east
FORECASTCITY
Atlas plate of Ottawa, Wisconsin. Explore the plate
WISCONSIN · WAUKESHA

Ottawa

3,667 people, in Waukesha County.

3,667People
33 sq miLand
Sunny 75°
SunnyDew point 52°
1

Today in Ottawa

NEXT 15 HOURS
Now partly cloudy day 72° 0%
5p mostly cloudy day 72° 1%
8p mostly cloudy night 66° 6%
11p mostly cloudy night 65° 12%
2a rain 63° 38%
5a rain 61° 45%
Mostly cloudy
NEXT RAINTomorrow about 1 AM · 42%
→
Tue10%
Partly cloudy Partly cloudy
60
73
A
Wed60%
Showers likely Showers likely
62
70
B
Thu70%
Showers likely Showers likely
49
68
B
Fri0%
Mostly sunny Mostly sunny
43
65
B
Sat10%
Partly cloudy Partly cloudy
45
65
B
Sun0%
Mostly sunny Mostly sunny
40
65
B
Mon0%
Mostly sunny Mostly sunny
41
61
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
·