New York, NY 19° Los Angeles, CA 19° Chicago, IL 16° Houston, TX 26° Miami, FL 26° Phoenix, AZ 27° Seattle, WA 15° Denver, CO 16° Toronto, ON 19° Vancouver, BC 14°
WeatherLive › Ontario › Ottawa

Ottawa, ON Weather

Current WeatherOttawa · 2:17 AM EDT
19° | 11°
18°C
Feels like 18°
Light rain
+8° vs. normal — warmer than usual for this time of year
WindSW 5 mph · Gusts 19 mph
Precip79% · 0.20 in
Humidity98% · Dew point 17°
UV index4 Moderate
Air Quality29 Good
Pressure29.77 inHg
Visibility6 mi
Sunrise / Sunset7:02 AM · 6:41 PM · 11h 39m

Weather map — Ottawa

Full radar →
Now
18°
43%
5 mph
03:00
18°
53%
5 mph
04:00
17°
52%
6 mph
05:00
17°
53%
7 mph
06:00
17°
0.06 in
7 mph
07:00
16°
0.02 in
6 mph
08:00
16°
63%
6 mph
09:00
16°
52%
5 mph
10:00
17°
28%
5 mph
11:00
17°
26%
5 mph
12:00
18°
22%
6 mph
13:00
17°
15%
8 mph
14:00
18°
15%
9 mph
15:00
19°
11%
9 mph
16:00
19°
10%
8 mph
17:00
18°
12%
4 mph
18:00
17°
14%
2 mph
19:00
16°
14%
8 mph
20:00
15°
7%
12 mph
21:00
14°
5%
10 mph
22:00
12°
4%
10 mph
23:00
11°
5%
9 mph
00:00
10°
6%
7 mph
01:00
9°
8%
5 mph

Today · Fri 10/2

High 19°
79% / 0.20 in

Mostly cloudy. Winds NW at 12 mph.

Overnight · Fri 10/2

Low 16°
53% / –

Fog. Winds W at 5 mph.

Tomorrow · Sat 10/3

15° | 6°
5% / –

Sunny. Winds NW at 7 mph.

7-day trend

Ottawa · temperature + precipitation

10-day forecast

Updated 2:17 AM

Details & indices

Wind
5 mph SW
Gusts 19 mph
Humidity
98%
Dew point 17°
Pressure
29.77 inHg
Falling
UV index
4 — Moderate
High today
Air Quality
Good
AQI 29 · US EPA
Allergy
Low
Ragweed
Visibility
6 mi
Reduced
Allergy — Ottawa

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
Low

Sun & moon

Sunrise7:02 AM
Sunset6:41 PM
Length of day11h 39m
Moonrise10:25 PM
Moonset2:21 PM
Next full moonOct 26 Hunter's Moon
Latitude45.4112°N
Longitude-75.6981°E

Water temps nearby

View all →
No beaches within 50 miles
🌦️Dry now — rain moving in around 4:00 AM (103 min)
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
1991-2020 climate normals — Ottawa

Monthly normals

Full climate page →
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max (°F) -4° -2° 4° 11° 19° 24° 27° 26° 21° 14° 6° 0°
Min (°F) -13° -12° -6° 0° 8° 14° 18° 17° 13° 7° -1° -7°
Precip (in) 3.0 2.7 3.0 4.3 3.3 4.4 4.3 4.5 3.0 3.6 2.9 3.4
Warmest: Jul · ⌀ 81°F Coldest: Jan · ⌀ 9°F Wettest: Aug · 4.5 in
Nearby places in Ontario
Toronto
Showers
19°
Mississauga
Partly cloudy
19°
Brampton
Drizzle
19°
Hamilton
Partly cloudy
20°
London
Partly cloudy
18°
Etobicoke
Showers
19°

Forecast comparison

WeatherLive · NWS NBM · MET Norway — daily high / low
Day WeatherLiveNWS NBM Spread
Sat, Oct 3 15° 6° 15° 7° 0.5°
Sun, Oct 4 17° 4° 16° 6° 0.3°
Mon, Oct 5 12° 4° 13° 6° 0.7°
Tue, Oct 6 10° 0° 12° 4° 1.7°
Wed, Oct 7 16° 2° 15° 4° 0.2°
When the sources land close together, confidence is high. A wide spread means the pattern is harder to pin down. NWS NBM is the National Blend of Models from NOAA; MET Norway is Europe's open global forecast; WeatherLive is our own blend.
NBM + global weather models
Updated: 2:17 AM
Ottawa, ON · Elev 233 ft · 45.41°N, 75.70°W · Ontario · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 2:17 AM