Current Conditions

Nepean, Ontario

71°F22°C

Drizzle

Wind

NW 4 mph6 km/h

Humidity

69%

Cloud Cover

25%

As of Thursday, August 13, 2026 at 10:51 AM EDT

Today's Outlook

Day

Partly cloudy and warm, with a high of 77°F25°C and morning low of 62°F16°C. Breezy from the NW at 6 to 8 mph9 to 13 km/h. 27% chance of drizzle in the afternoon.

Night

Mostly clear, with a low around 62°F17°C. Light wind from the NW around 5 mph8 km/h. 26% chance of drizzle in the evening.

7-Day Forecast

Condition	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Wind (mph)
Drizzle	High 77°F25°C	Low 62°F16°C	Precip 0.03 in0.8 mm27%	Cloud 30%	Wind NW 5 mph8 km/h	Thursday: Partly cloudy and warm, with a high of 77°F25°C and morning low of 62°F16°C. Breezy from the NW at 6 to 8 mph9 to 13 km/h. 27% chance of drizzle in the afternoon. Thursday Night: Mostly clear, with a low around 62°F17°C. Light wind from the NW around 5 mph8 km/h. 26% chance of drizzle in the evening.
Clear	High 75°F24°C	Low 55°F13°C	Precip 0.01 in0.2 mm8%	Cloud 26%	Wind NNW 5 mph8 km/h	Friday: Partly cloudy and warm, with a high of 75°F24°C and morning low of 60°F16°C. Breezy from the NNW at 5 to 7 mph9 to 11 km/h. Friday Night: Mostly clear, with a low around 55°F13°C. Light wind from the N around 5 mph7 km/h.
Partly Cloudy	High 75°F24°C	Low 53°F12°C	Precip 0 in0 mm—	Cloud 44%	Wind N 4 mph6 km/h	Saturday: Partly cloudy and warm, with a high of 75°F24°C and morning low of 58°F15°C. Light wind from the N around 4 mph6 km/h. Saturday Night: Partly cloudy, with a low around 53°F12°C. Light wind from the NNE around 4 mph6 km/h.
Light Rain	High 71°F21°C	Low 56°F14°C	Precip 0.24 in6.2 mm71%	Cloud 85%	Wind E 5 mph8 km/h	Sunday: Overcast and warm, with a high of 71°F21°C and morning low of 60°F15°C. Light wind from the E around 5 mph9 km/h. 66% chance of light rain throughout the day. Sunday Night: Overcast, with a low around 56°F14°C. Light wind from the E around 5 mph8 km/h. 71% chance of light rain in the evening.
Showers	High 74°F23°C	Low 62°F16°C	Precip 0.09 in2.3 mm52%	Cloud 69%	Wind NNW 5 mph9 km/h	Monday: Mostly cloudy and warm, with a high of 74°F23°C and morning low of 64°F18°C. Breezy from the NNW at 6 to 7 mph10 to 11 km/h. 23% chance of drizzle throughout the day. Monday Night: Mostly cloudy, with a low around 62°F16°C. Light wind from the NNW around 5 mph7 km/h. 52% chance of showers overnight.
Partly Cloudy	High 79°F26°C	Low 57°F14°C	Precip 0 in0.1 mm3%	Cloud 44%	Wind W 5 mph7 km/h	Tuesday: Partly cloudy and warm, with a high of 79°F26°C and morning low of 61°F16°C. Light wind from the W around 4 mph7 km/h. Tuesday Night: Partly cloudy, with a low around 57°F14°C. Light wind from the WSW around 5 mph8 km/h.
Light Rain	High 75°F24°C	Low 59°F15°C	Precip 0.17 in4.3 mm39%	Cloud 73%	Wind SW 6 mph10 km/h	Wednesday: Overcast and warm, with a high of 75°F24°C and morning low of 62°F17°C. Breezy from the SSW at 7 to 8 mph11 to 13 km/h. 37% chance of light rain throughout the day. Wednesday Night: Mostly cloudy, with a low around 59°F15°C. Light wind from the SW around 6 mph9 km/h. 39% chance of showers in the evening.

15-Day Forecast

	Day	High	Low	Precip	Cloud Cover	Condition	Wind
	ThursdayAug 13	77°F25°C	62°F16°C	0.03 in0.8 mm· 27%	30%	Drizzle	NW 5 mph8 km/h
DayPartly cloudy and warm, with a high of 77°F25°C and morning low of 62°F16°C. Breezy from the NW at 6 to 8 mph9 to 13 km/h. 27% chance of drizzle in the afternoon. NightMostly clear, with a low around 62°F17°C. Light wind from the NW around 5 mph8 km/h. 26% chance of drizzle in the evening.
	FridayAug 14	75°F24°C	55°F13°C	0.01 in0.2 mm· 8%	26%	Clear	NNW 5 mph8 km/h
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 60°F16°C. Breezy from the NNW at 5 to 7 mph9 to 11 km/h. NightMostly clear, with a low around 55°F13°C. Light wind from the N around 5 mph7 km/h.
	SaturdayAug 15	75°F24°C	53°F12°C	0 in0 mm· —	44%	Partly Cloudy	N 4 mph6 km/h
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 58°F15°C. Light wind from the N around 4 mph6 km/h. NightPartly cloudy, with a low around 53°F12°C. Light wind from the NNE around 4 mph6 km/h.
	SundayAug 16	71°F21°C	56°F14°C	0.24 in6.2 mm· 71%	85%	Light Rain	E 5 mph8 km/h
DayOvercast and warm, with a high of 71°F21°C and morning low of 60°F15°C. Light wind from the E around 5 mph9 km/h. 66% chance of light rain throughout the day. NightOvercast, with a low around 56°F14°C. Light wind from the E around 5 mph8 km/h. 71% chance of light rain in the evening.
	MondayAug 17	74°F23°C	62°F16°C	0.09 in2.3 mm· 52%	69%	Showers	NNW 5 mph9 km/h
DayMostly cloudy and warm, with a high of 74°F23°C and morning low of 64°F18°C. Breezy from the NNW at 6 to 7 mph10 to 11 km/h. 23% chance of drizzle throughout the day. NightMostly cloudy, with a low around 62°F16°C. Light wind from the NNW around 5 mph7 km/h. 52% chance of showers overnight.
	TuesdayAug 18	79°F26°C	57°F14°C	0 in0.1 mm· 3%	44%	Partly Cloudy	W 5 mph7 km/h
DayPartly cloudy and warm, with a high of 79°F26°C and morning low of 61°F16°C. Light wind from the W around 4 mph7 km/h. NightPartly cloudy, with a low around 57°F14°C. Light wind from the WSW around 5 mph8 km/h.
	WednesdayAug 19	75°F24°C	59°F15°C	0.17 in4.3 mm· 39%	73%	Light Rain	SW 6 mph10 km/h
DayOvercast and warm, with a high of 75°F24°C and morning low of 62°F17°C. Breezy from the SSW at 7 to 8 mph11 to 13 km/h. 37% chance of light rain throughout the day. NightMostly cloudy, with a low around 59°F15°C. Light wind from the SW around 6 mph9 km/h. 39% chance of showers in the evening.
	ThursdayAug 20	73°F23°C	60°F16°C	0.17 in4.2 mm· 35%	56%	Showers	WNW 7 mph11 km/h
DayMostly cloudy and warm, with a high of 73°F23°C and morning low of 62°F17°C. Breezy from the WNW at 7 to 8 mph12 to 13 km/h. 28% chance of showers throughout the day. NightMostly cloudy, with a low around 60°F16°C. Light wind from the WNW around 6 mph10 km/h. 35% chance of showers throughout the night.
	FridayAug 21	74°F23°C	55°F13°C	0.07 in1.9 mm· 16%	47%	Drizzle	WNW 6 mph10 km/h
DayMostly cloudy and warm, with a high of 74°F23°C and morning low of 58°F15°C. Light wind from the WNW around 6 mph10 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 55°F13°C. Light wind from the W around 6 mph9 km/h. 14% chance of drizzle throughout the night.
	SaturdayAug 22	76°F24°C	56°F13°C	0.07 in1.9 mm· 17%	51%	Drizzle	W 5 mph8 km/h
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 59°F15°C. Light wind from the W around 5 mph8 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 56°F13°C. Light wind from the WSW around 5 mph8 km/h. 17% chance of drizzle throughout the night.
	SundayAug 23	76°F24°C	58°F14°C	0.1 in2.5 mm· 19%	53%	Showers	W 6 mph9 km/h
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 61°F16°C. Light wind from the W around 6 mph10 km/h. 19% chance of showers throughout the day. NightPartly cloudy, with a low around 58°F14°C. Light wind from the W around 6 mph9 km/h. 16% chance of drizzle throughout the night.
	MondayAug 24	76°F24°C	58°F15°C	0.08 in2 mm· 18%	49%	Drizzle	W 6 mph10 km/h
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 61°F16°C. Breezy from the WNW at 7 mph11 km/h. 18% chance of drizzle throughout the day. NightPartly cloudy, with a low around 58°F15°C. Light wind from the W around 6 mph9 km/h. 14% chance of drizzle throughout the night.
	TuesdayAug 25	75°F24°C	57°F14°C	0.08 in2.1 mm· 19%	49%	Showers	W 6 mph10 km/h
DayMostly cloudy and warm, with a high of 75°F24°C and morning low of 60°F16°C. Breezy from the W at 7 mph11 km/h. 17% chance of showers throughout the day. NightPartly cloudy, with a low around 57°F14°C. Light wind from the W around 6 mph10 km/h. 19% chance of drizzle throughout the night.
	WednesdayAug 26	75°F24°C	57°F14°C	0.09 in2.3 mm· 17%	52%	Drizzle	WNW 6 mph10 km/h
DayMostly cloudy and warm, with a high of 75°F24°C and morning low of 60°F15°C. Breezy from the WNW at 7 to 8 mph11 to 12 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 57°F14°C. Light wind from the WNW around 6 mph10 km/h. 17% chance of drizzle throughout the night.
	ThursdayAug 27	74°F23°C	57°F14°C	0.07 in1.7 mm· 16%	50%	Drizzle	WNW 6 mph10 km/h
DayMostly cloudy and warm, with a high of 74°F23°C and morning low of 59°F15°C. Breezy from the NW at 7 to 8 mph11 to 12 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 57°F14°C. Light wind from the WNW around 6 mph10 km/h. 13% chance of drizzle throughout the night.

Nearby Cities

Ottawa South4 mi7 km Gloucester4 mi7 km Alta Vista5 mi8 km Ottawa5 mi9 km Centretown6 mi9 km Aylmer6 mi10 km

About This Forecast

This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.

WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →

Access WeatherMesh forecasts programmatically via our API. API Documentation →

How to Access Weather Forecasts

Pattern	Example	Description
/weather/{country}/{city}/	/weather/united-states/san-francisco/	City forecast (canonical URL)
/weather/{city}/	/weather/tokyo/	Shorthand — redirects to most populous match
/weather/{country}/{region}/{city}/	/weather/united-states/california/san-francisco/	With region — redirects to canonical
/weather/nearby?lat={lat}&lon={lon}	/weather/nearby?lat=48.1&lon=11.5	Find nearest city by coordinates
/weather/{country}/	/weather/germany/	Country index — all cities by region

Country and city names use lowercase slugs with hyphens (e.g. united-states, san-francisco). Arbitrary city names are supported — if not in our database, we geocode the name and serve the forecast for that location.

For programmatic access, use theWindBorne Forecast APIwhich returns structured JSON for any coordinates worldwide.

Coordinates: 45.3362°N, 75.7225°W·Elevation: 87m·Timezone: America/Toronto·Population: 180,000