Ottawa Weather ForecastOttawa Weather Forecast

Ottawa (OntarioCanada) forecast issued: 12 am Fri 12 Dec 2025 local time

| Updates in: hr min s

| (Update imminent)

Issued: 12 am Fri 12 Dec 2025 local time

| Updates in: hr min s

| (Update imminent)

Ottawa Weather Forecast. Providing a local hourly Ottawa weather forecast of rainsunwindhumidity and temperature.

The Long-range 12 day forecast also includes detail for Ottawa weather today. Live weather reports from Ottawa weather stations and weather warnings that include risk of thunderhigh UV index and forecast gales. See the links below the 12-day Ottawa weather forecast table for other cities and towns nearby along with weather conditions for local outdoor activities.

Ottawa is 50 m above sea level and located at 45.42° N 75.72° W. Ottawa has a population of 812129. Local time in Ottawa is EST.

	Ottawa Weather Today (1–3 days) A dusting of new snow. Temperatures will be below freezing (max -2°C on Sat morningmin -20°C on Sat night). Wind will be generally light.									Ottawa Weather (4–7 days) Mostly dry. Freeze-thaw conditions (max 3°C on Wed afternoonmin -14°C on Sun night). Winds increasing (calm on Tue afternoonfresh winds from the SW by Wed morning).									10 Day Ottawa Weather (7–10 days) A dusting of new snow. Freeze-thaw conditions (max 4°C on Thu afternoonmin -10°C on Sat morning). Wind will be generally light.									Ottawa Weather Next Week (10–12 days) A moderate fall of snowheaviest on Sun morning. Temperatures will be below freezing (max -1°C on Sun afternoonmin -8°C on Sat night). Wind will be generally light.
	Thu 11	Friday 12			Saturday 13			Sunday 14			Monday 15			Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tue 23
	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM

Wind km/h	W	WNW	W	WNW	SSE	WSW	WNW	WNW	WNW	WNW	W	SSW	WSW	WSW	ESE	S	SW	SW	SW	E	SW	WSW	SW	WSW	NNW	N	ENE	E	E	SW	WNW	NNW	N	N	ENE	ENE
	cloudy	some clouds	clear	some clouds	snow shwrs	cloudy	clear	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	some clouds	cloudy	cloudy	light rain	cloudy	light snow	light snow	rain shwrs	clear	cloudy	cloudy	clear	some clouds	cloudy	light snow	light snow	cloudy	cloudy	cloudy	cloudy	light snow	light snow	light snow
See all maps
Rain mm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0.1	-	-	-	0.2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Snow cm	-	-	-	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	-	-	-	-	-	-	-	3	5	-	-	-	-	1	5	1
High	-10	-5	-6	-11	-2	-3	-13	-8	-9	-9	-8	-7	-8	-6	-6	2	3	3	2	1	4	3	1	1	-2	-7	-7	-7	-4	-1	-2	-4	-4	-7	-6	-4
Low	-12	-8	-11	-16	-4	-6	-20	-13	-9	-14	-11	-8	-14	-9	-6	-6	3	3	1	1	4	-1	0	0	-9	-10	-8	-8	-6	-1	-7	-5	-6	-7	-7	-4
Feels°C	-17	-12	-12	-16	-7	-9	-18	-14	-15	-16	-14	-12	-13	-10	-10	-6	-4	-2	-3	-2	-2	-3	-3	-2	-6	-11	-11	-12	-6	-4	-6	-8	-7	-11	-12	-10
Humid Humid %	84	84	83	97	88	83	97	80	83	86	88	91	90	92	99	94	92	92	100	99	100	90	90	96	87	88	85	98	96	98	95	89	87	85	94	93
UV	None	Low	None	None	Low	None	None	Low	None	None	Low	None	None	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Freezem	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	950	750	500	400	850	150	0	350	0	0	0	0	0	0	0	0	0	0	0	0
	-	7:33	-	-	7:33	-	-	7:33	-	-	7:35	-	-	7:35	-	-	7:35	-	-	7:37	-	-	7:37	-	-	7:37	-	-	7:39	-	-	7:39	-	-	7:39	-
	-	-	4:19	-	-	4:19	-	-	4:19	-	-	4:19	-	-	4:19	-	-	4:20	-	-	4:20	-	-	4:20	-	-	4:21	-	-	4:21	-	-	4:22	-	-	4:22

	Thu 11	Friday 12								Saturday 13								Sunday 14								Monday 15								Tuesday 16								Wednesday 17								Thursday 18
	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM

Wind km/h	WNW	W	W	W	WNW	W	W	W	W	WNW	ESE	E	SSE	SW	WSW	WSW	W	WNW	WNW	NW	WNW	WNW	WNW	NW	NW	WNW	WNW	W	W	SW	SSW	SSW	SW	WSW	W	WNW	WSW	SW	ESE	S	SSE	S	S	SSW	SW	SW	SW	SW	SW	SW	SSW	SE	E	ESE	SW
	cloudy	cloudy	cloudy	some clouds	some clouds	some clouds	clear	clear	some clouds	cloudy	cloudy	cloudy	light snow	snow shwrs	cloudy	cloudy	some clouds	clear	clear	clear	clear	cloudy	some clouds	some clouds	clear	clear	clear	cloudy	cloudy	cloudy	cloudy	cloudy	cloudy	cloudy	some clouds	some clouds	clear	some clouds	cloudy	cloudy	cloudy	cloudy	cloudy	cloudy	light rain	cloudy	cloudy	cloudy	cloudy	cloudy	cloudy	light snow	light snow	cloudy	light rain
Rain mm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0.1	-	-	-	-	-	-	-	-	-	0.1
Snow cm	-	-	-	-	-	-	-	-	-	-	-	-	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	-	-
Temp°C	-11	-11	-12	-10	-8	-5	-6	-11	-14	-16	-12	-11	-4	-2	-3	-6	-13	-17	-18	-20	-13	-8	-9	-9	-9	-10	-12	-14	-11	-8	-7	-8	-8	-8	-13	-14	-9	-6	-6	-6	-6	-4	-1	2	3	3	3	3	2	1	1	1	1	1	4
Feels °C	-18	-19	-19	-17	-15	-12	-12	-16	-19	-20	-16	-16	-10	-7	-9	-12	-18	-22	-23	-24	-17	-14	-14	-15	-16	-16	-18	-19	-16	-14	-12	-12	-12	-13	-18	-18	-13	-10	-10	-11	-11	-10	-7	-6	-5	-4	-2	-2	-3	-3	-3	-2	-3	-2	-1
Humid Humid %	82	84	85	86	84	83	83	94	97	97	96	96	88	90	83	80	95	97	98	98	80	70	83	83	78	86	97	94	88	84	91	95	96	90	97	96	92	87	99	98	99	94	90	86	92	96	92	94	98	100	100	100	99	100	100
UV	None	None	None	None	Low	Low	None	None	None	None	None	None	Low	Low	None	None	None	None	None	None	Low	Low	None	None	None	None	None	None	Low	Low	None	None	None	None	None	None	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Freezem	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1600	950	1050	750	600	950	500	250	250	400	1400	850
	-	-	-	-	7:33	-	-	-	-	-	-	-	7:33	-	-	-	-	-	-	-	7:33	-	-	-	-	-	-	-	7:35	-	-	-	-	-	-	-	7:35	-	-	-	-	-	-	-	7:35	-	-	-	-	-	-	-	7:37	-	-
	-	-	-	-	-	-	4:19	-	-	-	-	-	-	-	4:19	-	-	-	-	-	-	-	4:19	-	-	-	-	-	-	-	4:19	-	-	-	-	-	-	-	4:19	-	-	-	-	-	-	-	4:20	-	-	-	-	-	-	-	4:20

	Thursday 11				Friday 12
	8 PM	9 PM	10 PM	11 PM	0 AM	1 AM	2 AM	3 AM	4 AM	5 AM	6 AM	7 AM	8 AM	9 AM	10 AM	11 AM	12 PM	1 PM	2 PM	3 PM	4 PM	5 PM	6 PM	7 PM	8 PM	9 PM	10 PM	11 PM

Wind km/h	WNW	WNW	WNW	WNW	WNW	W	W	W	W	W	W	W	W	WNW	WNW	W	W	W	W	W	W	W	W	W	W	W	W	W
	cloudy	cloudy	cloudy	cloudy	cloudy	cloudy	cloudy	cloudy	cloudy	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear	some clouds	some clouds	some clouds	some clouds
Rain mm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Snow cm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp°C	-10	-10	-11	-11	-11	-11	-12	-12	-12	-12	-11	-10	-10	-9	-8	-7	-6	-5	-5	-5	-6	-7	-10	-11	-13	-14	-14	-15
Feels °C	-18	-18	-18	-19	-19	-19	-19	-19	-19	-19	-18	-17	-17	-16	-15	-14	-13	-12	-11	-11	-12	-12	-14	-16	-17	-18	-19	-19
Humid Humid %	83	82	82	82	83	84	84	85	85	85	87	86	85	84	84	84	83	83	83	83	83	87	92	94	96	97	97	97
UV	None	None	None	None	None	None	None	None	None	None	None	None	None	Low	Low	Low	Low	Low	Low	Low	None	None	None	None	None	None	None	None
Freezem	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
	-	-	-	-	-	-	-	-	-	-	-	-	7:33	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	4:19	-	-	-	-	-	-	-

Ottawa Weather Today

(1–3 days):

A dusting of new snow. Temperatures will be below freezing (max -2°C on Sat morningmin -20°C on Sat night). Wind will be generally light.

Ottawa Weather

(4–7 days):

Mostly dry. Freeze-thaw conditions (max 3°C on Wed afternoonmin -14°C on Sun night). Winds increasing (calm on Tue afternoonfresh winds from the SW by Wed morning).

10 Day Ottawa Weather

(7–10 days):

A dusting of new snow. Freeze-thaw conditions (max 4°C on Thu afternoonmin -10°C on Sat morning). Wind will be generally light.

Ottawa Weather Next Week

(10–12 days):

A moderate fall of snowheaviest on Sun morning. Temperatures will be below freezing (max -1°C on Sun afternoonmin -8°C on Sat night). Wind will be generally light.

Live weather stations near Ottawa

Ottawa Live Weather Today: Recent reports from weather stations near Ottawa

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
OttawaCdaRcs- Ont 3 km S 79m alt. 2 hours ago	-	-	km/h Light winds from the WNW (11 km/h at WNW°).
Ottawa International Airport 8 km SSE 217m alt. 2 hours ago	-11.0° C	Dry and cloudy.	km/h Moderate winds from the WSW (24 km/h at WSW°).	24 km Low: few Mid: overcast
Ottawa International Airport 8 km SSE 217m alt. 2 hours ago	-11.0° C	Dry and cloudy.	km/h Moderate winds from the WSW (24 km/h at WSW°).	24 km Low: few Mid: overcast
Kemptville Airport 29 km S 600m alt. 2 hours ago	-12.0° C	-	km/h Light winds from the WSW (13 km/h at WSW°).	0.0 km
Moose Creek Airport 38 km ESE 85m alt. 2 hours ago	-11.1° C	-	km/h Light winds from the W (15 km/h at W°).	0.0 km
SHIP2802 53 km ESE 3m alt. 3 hours ago	-		km/h Moderate winds from the SSW (21 km/h at SSW°).
Ogdensburg International Airport 54 km SSE 91m alt. 2 hours ago	-12.0° C	Dry and cloudy.	km/h Light winds from the SW (17 km/h at SW°).	16 km Low: broken Mid: overcast
Massena Airport 54 km SE 218m alt. 2 hours ago	-12.2° C	Dry and partly cloudy.	km/h Moderate winds from the SW (22 km/h at SW°).	16 km Low: few Mid: broken
Maniwaki Airport 60 km NNW 632m alt. 2 hours ago	-11.0° C	-	km/h Light winds from the W (11 km/h at W°).	0.0 km
Maniwaki Airport- Que 60 km NNW 200m alt. 1 hour ago	-	-	km/h Calm (4 km/h at W°).

* NOTE: not all weather stations near Ottawa update at the same time and we only show reports from the nearest stations that are deemed current. Weather reports submitted by any ship (SYNOP) that is close to Ottawa within an acceptable time window are also included.Read More

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Flood Frollick.
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Weather forecast for places near Ottawa:

Place Name	1–3 Day Summary	4–6 Day Summary	7–9 Day Summary	10–12 Day Summary
Cornwall 88 km	Mostly dry.	Mostly dry.	Drizzle at firstthen turning colder with dusting of snow on Wed night.	Drizzle on Sun morning turning to light snow on Tue morning.
Salaberry-de-Valleyfield 122 km	Mostly dry.	A dusting of new snow.	A dusting of snow on Thu morning. Freezing level rising with drizzle on Thu afternoon.	A moderate fall of snowheaviest on Tue morning.
Saint-Jerome 134 km	A dusting of new snow.	A dusting of new snow.	A dusting of new snow.	A moderate fall of snowheaviest on Sun morning.
Kingston 154 km	A dusting of new snow.	A dusting of new snow.	Light rain (total 5mm)mostly falling on Wed night.	A moderate fall of snowheaviest on Tue morning.

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