Current Conditions
Cornwall, Ontario
Wind
NE 8 mph12 km/h
Humidity
50%
Cloud Cover
14%
As of Tuesday, September 22, 2026 at 2:01 PM EDT
Today's Outlook
Day
Mostly clear and mild, with a high of 61°F16°C and morning low of 44°F7°C. Breezy from the NE at 7 to 8 mph11 to 12 km/h. Dry air.
Night
Mostly clear, with a low around 46°F8°C. Light wind from the ENE around 6 mph10 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Clear | High 61°F16°C | Low 44°F7°CFeels 40°F5°C | Precip 0 in0 mm— | Cloud 16% | Wind NE 7 mph11 km/h | Tuesday: Mostly clear and mild, with a high of 61°F16°C and morning low of 44°F7°C. Breezy from the NE at 7 to 8 mph11 to 12 km/h. Dry air. Tuesday Night: Mostly clear, with a low around 46°F8°C. Light wind from the ENE around 6 mph10 km/h. | |
| Clear | High 65°F19°C | Low 41°F5°CFeels 37°F3°C | Precip 0 in0 mm— | Cloud 1% | Wind ENE 7 mph11 km/h | Wednesday: Mostly clear and mild, with a high of 65°F19°C and morning low of 43°F6°C. Breezy from the ENE at 7 to 8 mph12 to 13 km/h. Dry air. Wednesday Night: Mostly clear, with a low around 41°F5°C. Breezy from the ENE at 7 mph11 km/h. | |
| Clear | High 68°F20°C | Low 39°F4°CFeels 36°F2°C | Precip 0 in0 mm— | Cloud 4% | Wind ENE 5 mph8 km/h | Thursday: Mostly clear and warm, with a high of 68°F20°C and morning low of 42°F6°C. Light wind from the NE around 5 mph8 km/h. Dry air. Thursday Night: Mostly clear, with a low around 39°F4°C. Light wind from the ENE around 4 mph7 km/h. | |
| Partly Cloudy | High 72°F22°C | Low 44°F7°CFeels 41°F5°C | Precip 0 in0 mm— | Cloud 45% | Wind NE 6 mph9 km/h | Friday: Partly cloudy and warm, with a high of 72°F22°C and morning low of 46°F8°C. Breezy from the NE at 6 to 8 mph10 to 12 km/h. Dry air. Friday Night: Partly cloudy, with a low around 44°F7°C. Light wind from the NE around 5 mph8 km/h. | |
| Drizzle | High 68°F20°C | Low 51°F10°C | Precip 0.04 in0.9 mm15% | Cloud 77% | Wind NE 8 mph14 km/h | Saturday: Mostly cloudy and warm, with a high of 68°F20°C and morning low of 52°F11°C. Breezy from the NE at 9 to 10 mph14 to 17 km/h. 14% chance of drizzle in the afternoon. Dry air. Saturday Night: Mostly cloudy, with a low around 51°F10°C. Breezy from the NE at 8 to 10 mph13 to 16 km/h. 15% chance of drizzle in the evening. | |
| Light Rain | High 63°F17°C | Low 55°F13°C | Precip 0.15 in3.9 mm38% | Cloud 86% | Wind NE 10 mph16 km/h | Sunday: Overcast and mild, with a high of 63°F17°C and morning low of 55°F13°C. Breezy from the NE at 11 mph17 km/h. 38% chance of light rain throughout the day. Dry air. Sunday Night: Overcast, with a low around 55°F13°C. Breezy from the NE at 10 mph15 km/h. 33% chance of light rain throughout the night. | |
| Light Rain | High 62°F17°C | Low 54°F12°C | Precip 0.11 in2.7 mm37% | Cloud 79% | Wind NE 6 mph10 km/h | Monday: Overcast and mild, with a high of 62°F17°C and morning low of 54°F12°C. Breezy from the NE at 7 mph11 km/h. 37% chance of light rain throughout the day. Monday Night: Mostly cloudy, with a low around 54°F12°C. Breezy from the NE at 6 to 8 mph10 to 13 km/h. 36% chance of drizzle throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| TuesdaySep 22 | 61°F16°C | 44°F7°C Feels 40°F5°C | 0 in0 mm· — | 16% | Clear | NE 7 mph11 km/h | |
DayMostly clear and mild, with a high of 61°F16°C and morning low of 44°F7°C. Breezy from the NE at 7 to 8 mph11 to 12 km/h. Dry air. NightMostly clear, with a low around 46°F8°C. Light wind from the ENE around 6 mph10 km/h. | |||||||
| WednesdaySep 23 | 65°F19°C | 41°F5°C Feels 37°F3°C | 0 in0 mm· — | 1% | Clear | ENE 7 mph11 km/h | |
DayMostly clear and mild, with a high of 65°F19°C and morning low of 43°F6°C. Breezy from the ENE at 7 to 8 mph12 to 13 km/h. Dry air. NightMostly clear, with a low around 41°F5°C. Breezy from the ENE at 7 mph11 km/h. | |||||||
| ThursdaySep 24 | 68°F20°C | 39°F4°C Feels 36°F2°C | 0 in0 mm· — | 4% | Clear | ENE 5 mph8 km/h | |
DayMostly clear and warm, with a high of 68°F20°C and morning low of 42°F6°C. Light wind from the NE around 5 mph8 km/h. Dry air. NightMostly clear, with a low around 39°F4°C. Light wind from the ENE around 4 mph7 km/h. | |||||||
| FridaySep 25 | 72°F22°C | 44°F7°C Feels 41°F5°C | 0 in0 mm· — | 45% | Partly Cloudy | NE 6 mph9 km/h | |
DayPartly cloudy and warm, with a high of 72°F22°C and morning low of 46°F8°C. Breezy from the NE at 6 to 8 mph10 to 12 km/h. Dry air. NightPartly cloudy, with a low around 44°F7°C. Light wind from the NE around 5 mph8 km/h. | |||||||
| SaturdaySep 26 | 68°F20°C | 51°F10°C | 0.04 in0.9 mm· 15% | 77% | Drizzle | NE 8 mph14 km/h | |
DayMostly cloudy and warm, with a high of 68°F20°C and morning low of 52°F11°C. Breezy from the NE at 9 to 10 mph14 to 17 km/h. 14% chance of drizzle in the afternoon. Dry air. NightMostly cloudy, with a low around 51°F10°C. Breezy from the NE at 8 to 10 mph13 to 16 km/h. 15% chance of drizzle in the evening. | |||||||
| SundaySep 27 | 63°F17°C | 55°F13°C | 0.15 in3.9 mm· 38% | 86% | Light Rain | NE 10 mph16 km/h | |
DayOvercast and mild, with a high of 63°F17°C and morning low of 55°F13°C. Breezy from the NE at 11 mph17 km/h. 38% chance of light rain throughout the day. Dry air. NightOvercast, with a low around 55°F13°C. Breezy from the NE at 10 mph15 km/h. 33% chance of light rain throughout the night. | |||||||
| MondaySep 28 | 62°F17°C | 54°F12°C | 0.11 in2.7 mm· 37% | 79% | Light Rain | NE 6 mph10 km/h | |
DayOvercast and mild, with a high of 62°F17°C and morning low of 54°F12°C. Breezy from the NE at 7 mph11 km/h. 37% chance of light rain throughout the day. NightMostly cloudy, with a low around 54°F12°C. Breezy from the NE at 6 to 8 mph10 to 13 km/h. 36% chance of drizzle throughout the night. | |||||||
| TuesdaySep 29 | 67°F20°C | 53°F12°C | 0.03 in0.8 mm· 14% | 60% | Drizzle | WNW 5 mph8 km/h | |
DayMostly cloudy and mild, with a high of 67°F20°C and morning low of 53°F12°C. Light wind from the NNW around 5 mph7 km/h. 12% chance of drizzle in the morning. NightMostly cloudy, with a low around 53°F12°C. Light wind from the S around 5 mph8 km/h. 14% chance of drizzle overnight. | |||||||
| WednesdaySep 30 | 70°F21°C | 52°F11°C | 0.02 in0.5 mm· 12% | 69% | Drizzle | SSE 5 mph8 km/h | |
DayMostly cloudy and warm, with a high of 70°F21°C and morning low of 53°F12°C. Light wind from the S around 5 mph7 km/h. NightMostly cloudy, with a low around 52°F11°C. Light wind from the SSE around 6 mph9 km/h. 12% chance of drizzle in the evening. | |||||||
| ThursdayOct 1 | 70°F21°C | 56°F13°C | 0.12 in3.1 mm· 25% | 70% | Showers | SSW 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 70°F21°C and morning low of 57°F14°C. Breezy from the SSW at 7 mph11 km/h. 21% chance of drizzle throughout the day. NightMostly cloudy, with a low around 56°F13°C. Breezy from the S at 7 mph11 km/h. 25% chance of showers throughout the night. | |||||||
| FridayOct 2 | 66°F19°C | 55°F13°C | 0.12 in3.1 mm· 24% | 66% | Showers | SW 7 mph11 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 55°F13°C. Breezy from the WSW at 7 mph11 km/h. 20% chance of drizzle throughout the day. NightMostly cloudy, with a low around 55°F13°C. Breezy from the SSW at 7 mph11 km/h. 24% chance of showers throughout the night. | |||||||
| SaturdayOct 3 | 66°F19°C | 52°F11°C | 0.14 in3.6 mm· 30% | 66% | Showers | SSW 6 mph10 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 52°F11°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h. 30% chance of showers throughout the day. NightMostly cloudy, with a low around 52°F11°C. Breezy from the S at 7 mph10 km/h. 25% chance of showers throughout the night. | |||||||
| SundayOct 4 | 65°F18°C | 53°F12°C | 0.15 in3.8 mm· 24% | 72% | Light Rain | SW 7 mph11 km/h | |
DayMostly cloudy and mild, with a high of 65°F18°C and morning low of 53°F12°C. Breezy from the WSW at 7 mph11 km/h. 24% chance of light rain throughout the day. NightMostly cloudy, with a low around 53°F12°C. Breezy from the SW at 7 mph11 km/h. 22% chance of showers throughout the night. | |||||||
| MondayOct 5 | 62°F17°C | 50°F10°C | 0.13 in3.4 mm· 25% | 63% | Showers | WSW 7 mph11 km/h | |
DayMostly cloudy and mild, with a high of 62°F17°C and morning low of 51°F10°C. Breezy from the W at 7 to 8 mph12 to 13 km/h. 25% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 50°F10°C. Breezy from the WSW at 7 mph11 km/h. 23% chance of showers throughout the night. | |||||||
| TuesdayOct 6 | 62°F17°C | 48°F9°C Feels 45°F7°C | 0.11 in2.7 mm· 19% | 58% | Drizzle | SW 7 mph12 km/h | |
DayMostly cloudy and mild, with a high of 62°F17°C and morning low of 48°F9°C. Breezy from the WSW at 7 to 8 mph12 to 13 km/h. 19% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 48°F9°C. Breezy from the SW at 7 to 8 mph12 to 12 km/h. 17% chance of drizzle throughout the night. | |||||||
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Coordinates: 45.0181°N, 74.7281°W·Elevation: 59m·Timezone: America/Toronto·Population: 48,821