Current Conditions
Ottawa South, Ontario
Wind
NW 4 mph6 km/h
Humidity
93%
Cloud Cover
58%
As of Thursday, August 13, 2026 at 7:37 AM EDT
Today's Outlook
Day
Partly cloudy and warm, with a high of 77°F25°C and morning low of 62°F17°C. Breezy from the NW at 6 to 8 mph9 to 12 km/h. 22% chance of drizzle in the afternoon.
Night
Partly cloudy, with a low around 59°F15°C. Light wind from the NW around 4 mph6 km/h. 20% chance of drizzle overnight.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Drizzle | High 77°F25°C | Low 59°F15°C | Precip 0.03 in0.7 mm22% | Cloud 39% | Wind NW 5 mph8 km/h | Thursday: Partly cloudy and warm, with a high of 77°F25°C and morning low of 62°F17°C. Breezy from the NW at 6 to 8 mph9 to 12 km/h. 22% chance of drizzle in the afternoon. Thursday Night: Partly cloudy, with a low around 59°F15°C. Light wind from the NW around 4 mph6 km/h. 20% chance of drizzle overnight. | |
| Clear | High 75°F24°C | Low 56°F13°C | Precip 0 in0.1 mm3% | Cloud 26% | Wind N 5 mph8 km/h | Friday: Partly cloudy and warm, with a high of 75°F24°C and morning low of 60°F16°C. Light wind from the NNW around 5 mph8 km/h. Friday Night: Mostly clear, with a low around 56°F13°C. Light wind from the N around 4 mph7 km/h. | |
| Clear | High 76°F24°C | Low 54°F12°C | Precip 0 in0.1 mm3% | Cloud 37% | Wind N 4 mph6 km/h | Saturday: Partly cloudy and warm, with a high of 76°F24°C and morning low of 59°F15°C. Light wind from the N around 4 mph6 km/h. Saturday Night: Partly cloudy, with a low around 54°F12°C. Light wind from the NNE around 4 mph7 km/h. | |
| Light Rain | High 70°F21°C | Low 57°F14°C | Precip 0.29 in7.3 mm75% | Cloud 86% | Wind E 5 mph8 km/h | Sunday: Overcast and warm, with a high of 70°F21°C and morning low of 60°F16°C. Light wind from the E around 5 mph9 km/h. 68% chance of light rain throughout the day. Sunday Night: Overcast, with a low around 57°F14°C. Light wind from the E around 5 mph8 km/h. 75% chance of light rain in the evening. | |
| Showers | High 74°F24°C | Low 61°F16°C | Precip 0.06 in1.5 mm29% | Cloud 67% | Wind NNW 5 mph9 km/h | Monday: Mostly cloudy and warm, with a high of 74°F24°C and morning low of 63°F17°C. Light wind from the NNW around 6 mph9 km/h. 19% chance of drizzle throughout the day. Monday Night: Mostly cloudy, with a low around 61°F16°C. Light wind from the NNW around 5 mph8 km/h. 29% chance of showers overnight. | |
| Partly Cloudy | High 78°F26°C | Low 56°F14°C | Precip 0 in0.1 mm7% | Cloud 48% | Wind W 4 mph7 km/h | Tuesday: Mostly cloudy and warm, with a high of 78°F26°C and morning low of 61°F16°C. Light wind from the WNW around 4 mph6 km/h. Tuesday Night: Partly cloudy, with a low around 56°F14°C. Light wind from the W around 5 mph8 km/h. | |
| Light Rain | High 75°F24°C | Low 59°F15°C | Precip 0.17 in4.3 mm45% | Cloud 78% | Wind SSW 6 mph9 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 6 to 7 mph10 to 12 km/h. 45% 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. 45% chance of light rain in the evening. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| ThursdayAug 13 | 77°F25°C | 59°F15°C | 0.03 in0.7 mm· 22% | 39% | Drizzle | NW 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 77°F25°C and morning low of 62°F17°C. Breezy from the NW at 6 to 8 mph9 to 12 km/h. 22% chance of drizzle in the afternoon. NightPartly cloudy, with a low around 59°F15°C. Light wind from the NW around 4 mph6 km/h. 20% chance of drizzle overnight. | |||||||
| FridayAug 14 | 75°F24°C | 56°F13°C | 0 in0.1 mm· 3% | 26% | Clear | N 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 60°F16°C. Light wind from the NNW around 5 mph8 km/h. NightMostly clear, with a low around 56°F13°C. Light wind from the N around 4 mph7 km/h. | |||||||
| SaturdayAug 15 | 76°F24°C | 54°F12°C | 0 in0.1 mm· 3% | 37% | Clear | N 4 mph6 km/h | |
DayPartly cloudy and warm, with a high of 76°F24°C and morning low of 59°F15°C. Light wind from the N around 4 mph6 km/h. NightPartly cloudy, with a low around 54°F12°C. Light wind from the NNE around 4 mph7 km/h. | |||||||
| SundayAug 16 | 70°F21°C | 57°F14°C | 0.29 in7.3 mm· 75% | 86% | Light Rain | E 5 mph8 km/h | |
DayOvercast and warm, with a high of 70°F21°C and morning low of 60°F16°C. Light wind from the E around 5 mph9 km/h. 68% chance of light rain throughout the day. NightOvercast, with a low around 57°F14°C. Light wind from the E around 5 mph8 km/h. 75% chance of light rain in the evening. | |||||||
| MondayAug 17 | 74°F24°C | 61°F16°C | 0.06 in1.5 mm· 29% | 67% | Showers | NNW 5 mph9 km/h | |
DayMostly cloudy and warm, with a high of 74°F24°C and morning low of 63°F17°C. Light wind from the NNW around 6 mph9 km/h. 19% chance of drizzle throughout the day. NightMostly cloudy, with a low around 61°F16°C. Light wind from the NNW around 5 mph8 km/h. 29% chance of showers overnight. | |||||||
| TuesdayAug 18 | 78°F26°C | 56°F14°C | 0 in0.1 mm· 7% | 48% | Partly Cloudy | W 4 mph7 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 61°F16°C. Light wind from the WNW around 4 mph6 km/h. NightPartly cloudy, with a low around 56°F14°C. Light wind from the W around 5 mph8 km/h. | |||||||
| WednesdayAug 19 | 75°F24°C | 59°F15°C | 0.17 in4.3 mm· 45% | 78% | Light Rain | SSW 6 mph9 km/h | |
DayOvercast and warm, with a high of 75°F24°C and morning low of 62°F17°C. Breezy from the SSW at 6 to 7 mph10 to 12 km/h. 45% 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. 45% chance of light rain in the evening. | |||||||
| ThursdayAug 20 | 73°F23°C | 61°F16°C | 0.23 in5.8 mm· 40% | 64% | Showers | WNW 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 73°F23°C and morning low of 63°F17°C. Breezy from the WNW at 8 mph12 km/h. 37% chance of showers throughout the day. NightMostly cloudy, with a low around 61°F16°C. Breezy from the W at 6 to 7 mph10 to 11 km/h. 40% chance of showers throughout the night. | |||||||
| FridayAug 21 | 74°F23°C | 56°F13°C | 0.09 in2.3 mm· 13% | 48% | Showers | WNW 6 mph9 km/h | |
DayMostly cloudy and warm, with a high of 74°F23°C and morning low of 59°F15°C. Light wind from the WNW around 6 mph10 km/h. 12% chance of drizzle throughout the day. NightPartly cloudy, with a low around 56°F13°C. Light wind from the WNW around 6 mph9 km/h. 13% chance of showers throughout the night. | |||||||
| SaturdayAug 22 | 75°F24°C | 56°F14°C | 0.09 in2.3 mm· 18% | 49% | Drizzle | W 5 mph8 km/h | |
DayMostly cloudy and warm, with a high of 75°F24°C and morning low of 60°F15°C. Light wind from the W around 5 mph8 km/h. 18% chance of drizzle throughout the day. NightPartly cloudy, with a low around 56°F14°C. Light wind from the W around 5 mph8 km/h. 11% chance of drizzle throughout the night. | |||||||
| SundayAug 23 | 75°F24°C | 57°F14°C | 0.07 in1.8 mm· 19% | 48% | Drizzle | W 5 mph9 km/h | |
DayMostly cloudy and warm, with a high of 75°F24°C and morning low of 60°F15°C. Light wind from the W around 5 mph9 km/h. 19% chance of drizzle throughout the day. NightPartly cloudy, with a low around 57°F14°C. Light wind from the W around 5 mph9 km/h. 12% chance of drizzle throughout the night. | |||||||
| MondayAug 24 | 75°F24°C | 58°F14°C | 0.12 in3 mm· 24% | 52% | Showers | W 6 mph9 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 6 to 7 mph10 to 11 km/h. 24% 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. 21% chance of drizzle throughout the night. | |||||||
| TuesdayAug 25 | 75°F24°C | 58°F14°C | 0.1 in2.5 mm· 25% | 53% | Drizzle | 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 to 8 mph11 to 12 km/h. 25% chance of drizzle throughout the day. NightPartly cloudy, with a low around 58°F14°C. Light wind from the W around 6 mph10 km/h. 18% chance of drizzle throughout the night. | |||||||
| WednesdayAug 26 | 74°F24°C | 58°F15°C | 0.11 in2.7 mm· 21% | 47% | Drizzle | WNW 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 74°F24°C and morning low of 60°F16°C. Breezy from the WNW at 7 mph11 km/h. 21% chance of drizzle throughout the day. NightPartly cloudy, with a low around 58°F15°C. Light wind from the WNW around 6 mph10 km/h. 17% chance of drizzle throughout the night. | |||||||
| ThursdayAug 27 | 74°F23°C | 56°F13°C | 0.06 in1.4 mm· 15% | 48% | Drizzle | WNW 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 74°F23°C and morning low of 58°F15°C. Breezy from the WNW at 6 to 7 mph10 to 11 km/h. 14% chance of drizzle in the afternoon. NightPartly cloudy, with a low around 56°F13°C. Light wind from the WNW around 6 mph9 km/h. 15% chance of drizzle throughout the night. | |||||||
Nearby Cities
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 →
Coordinates: 45.3921°N, 75.6873°W·Elevation: 62m·Timezone: America/Toronto·Population: 125,090