Current Conditions
Ancaster, Ontario
Wind
WNW 5 mph8 km/h
Humidity
98%
Cloud Cover
81%
As of Monday, October 12, 2026 at 4:12 AM EDT
Today's Outlook
Night
Overcast, with a low around 56°F13°C. Light wind from the NE around 5 mph8 km/h. 88% chance of light rain in the evening.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Light Rain | High 57°F14°C | Low 56°F13°C | Precip 0.1 in2.5 mm88% | Cloud 83% | Wind NE 5 mph8 km/h | Sunday Night: Overcast, with a low around 56°F13°C. Light wind from the NE around 5 mph8 km/h. 88% chance of light rain in the evening. | |
| Partly Cloudy | High 69°F20°C | Low 55°F13°C | Precip 0 in0 mm— | Cloud 67% | Wind WSW 8 mph13 km/h | Monday: Overcast and warm, with a high of 69°F20°C and morning low of 56°F13°C. Breezy from the WSW at 9 to 11 mph14 to 18 km/h. Monday Night: Mostly cloudy, with a low around 55°F13°C. Breezy from the WSW at 7 to 11 mph12 to 17 km/h. | |
| Drizzle | High 77°F25°C | Low 65°F18°C | Precip 0.04 in1 mm28% | Cloud 34% | Wind WSW 12 mph19 km/h | Tuesday: Partly cloudy and warm, with a high of 77°F25°C and morning low of 66°F19°C. Breezy from the SW at 13 to 15 mph21 to 24 km/h. 28% chance of drizzle in the morning. Tuesday Night: Partly cloudy, with a low around 65°F18°C. Breezy from the WSW at 11 to 12 mph17 to 19 km/h. 26% chance of drizzle before dawn. | |
| Drizzle | High 65°F18°C | Low 53°F12°C | Precip 0.03 in0.7 mm18% | Cloud 76% | Wind WNW 8 mph13 km/h | Wednesday: Overcast and mild, with a high of 62°F16°C. Breezy from the WNW at 8 to 9 mph13 to 15 km/h. 18% chance of drizzle in the morning. Wednesday Night: Mostly cloudy, with a low around 53°F12°C. Breezy from the NW at 8 to 9 mph13 to 15 km/h. | |
| Light Rain | High 53°F12°C | Low 47°F9°CFeels 43°F6°C | Precip 0.1 in2.6 mm56% | Cloud 94% | Wind ENE 8 mph14 km/h | Thursday: Overcast and mild, with a high of 52°F11°C. Breezy from the ENE at 9 mph14 km/h. 19% chance of drizzle in the afternoon. Dry air. Thursday Night: Overcast, with a low around 48°F9°C. Breezy from the NE at 8 to 9 mph13 to 14 km/h. 56% chance of light rain in the evening. | |
| Light Rain | High 54°F12°C | Low 42°F6°CFeels 36°F2°C | Precip 0.32 in8.1 mm82% | Cloud 74% | Wind WNW 12 mph19 km/h | Friday: Overcast and mild, with a high of 54°F12°C. Windy from the WNW at 13 to 16 mph21 to 25 km/h. 82% chance of light rain in the morning. Dry air. Friday Night: Mostly cloudy, with a low around 42°F6°C. Breezy from the NW at 10 to 14 mph17 to 23 km/h. 79% chance of showers overnight. | |
| Clear | High 50°F10°CFeels 45°F7°C | Low 35°F2°CFeels 28°F-2°C | Precip 0.01 in0.3 mm6% | Cloud 34% | Wind WNW 11 mph17 km/h | Saturday: Partly cloudy and cool, with a high of 50°F10°C and morning low of 35°F2°C. Breezy from the WNW at 11 to 13 mph18 to 21 km/h. Very dry. Saturday Night: Partly cloudy, with a low around 36°F2°C. Breezy from the WNW at 10 to 12 mph16 to 19 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| SundayOct 11 | 57°F14°C | 56°F13°C | 0.1 in2.5 mm· 88% | 83% | Light Rain | NE 5 mph8 km/h | |
NightOvercast, with a low around 56°F13°C. Light wind from the NE around 5 mph8 km/h. 88% chance of light rain in the evening. | |||||||
| MondayOct 12 | 69°F20°C | 55°F13°C | 0 in0 mm· — | 67% | Partly Cloudy | WSW 8 mph13 km/h | |
DayOvercast and warm, with a high of 69°F20°C and morning low of 56°F13°C. Breezy from the WSW at 9 to 11 mph14 to 18 km/h. NightMostly cloudy, with a low around 55°F13°C. Breezy from the WSW at 7 to 11 mph12 to 17 km/h. | |||||||
| TuesdayOct 13 | 77°F25°C | 65°F18°C | 0.04 in1 mm· 28% | 34% | Drizzle | WSW 12 mph19 km/h | |
DayPartly cloudy and warm, with a high of 77°F25°C and morning low of 66°F19°C. Breezy from the SW at 13 to 15 mph21 to 24 km/h. 28% chance of drizzle in the morning. NightPartly cloudy, with a low around 65°F18°C. Breezy from the WSW at 11 to 12 mph17 to 19 km/h. 26% chance of drizzle before dawn. | |||||||
| WednesdayOct 14 | 65°F18°C | 53°F12°C | 0.03 in0.7 mm· 18% | 76% | Drizzle | WNW 8 mph13 km/h | |
DayOvercast and mild, with a high of 62°F16°C. Breezy from the WNW at 8 to 9 mph13 to 15 km/h. 18% chance of drizzle in the morning. NightMostly cloudy, with a low around 53°F12°C. Breezy from the NW at 8 to 9 mph13 to 15 km/h. | |||||||
| ThursdayOct 15 | 53°F12°C | 47°F9°C Feels 43°F6°C | 0.1 in2.6 mm· 56% | 94% | Light Rain | ENE 8 mph14 km/h | |
DayOvercast and mild, with a high of 52°F11°C. Breezy from the ENE at 9 mph14 km/h. 19% chance of drizzle in the afternoon. Dry air. NightOvercast, with a low around 48°F9°C. Breezy from the NE at 8 to 9 mph13 to 14 km/h. 56% chance of light rain in the evening. | |||||||
| FridayOct 16 | 54°F12°C | 42°F6°C Feels 36°F2°C | 0.32 in8.1 mm· 82% | 74% | Light Rain | WNW 12 mph19 km/h | |
DayOvercast and mild, with a high of 54°F12°C. Windy from the WNW at 13 to 16 mph21 to 25 km/h. 82% chance of light rain in the morning. Dry air. NightMostly cloudy, with a low around 42°F6°C. Breezy from the NW at 10 to 14 mph17 to 23 km/h. 79% chance of showers overnight. | |||||||
| SaturdayOct 17 | 50°F10°C Feels 45°F7°C | 35°F2°C Feels 28°F-2°C | 0.01 in0.3 mm· 6% | 34% | Clear | WNW 11 mph17 km/h | |
DayPartly cloudy and cool, with a high of 50°F10°C and morning low of 35°F2°C. Breezy from the WNW at 11 to 13 mph18 to 21 km/h. Very dry. NightPartly cloudy, with a low around 36°F2°C. Breezy from the WNW at 10 to 12 mph16 to 19 km/h. | |||||||
| SundayOct 18 | 54°F12°C | 36°F2°C Feels 30°F-1°C | 0.01 in0.3 mm· 3% | 20% | Clear | WSW 9 mph14 km/h | |
DayMostly clear and mild, with a high of 54°F12°C and morning low of 36°F2°C. Breezy from the SW at 9 to 10 mph14 to 16 km/h. Dry air. NightMostly clear, with a low around 36°F2°C. Breezy from the WSW at 9 mph14 km/h. | |||||||
| MondayOct 19 | 59°F15°C | 41°F5°C Feels 36°F2°C | 0.04 in0.9 mm· 9% | 57% | Partly Cloudy | SSW 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 59°F15°C and morning low of 42°F5°C. Breezy from the SSW at 9 to 10 mph15 to 17 km/h. Dry air. NightMostly cloudy, with a low around 41°F5°C. Breezy from the SSW at 8 to 9 mph13 to 14 km/h. | |||||||
| TuesdayOct 20 | 62°F17°C | 48°F9°C Feels 44°F7°C | 0.02 in0.6 mm· 11% | 44% | Drizzle | WSW 7 mph11 km/h | |
DayPartly cloudy and mild, with a high of 62°F17°C and morning low of 48°F9°C. Breezy from the WSW at 7 mph11 km/h. 10% chance of drizzle. Dry air. NightPartly cloudy, with a low around 48°F9°C. Breezy from the WSW at 7 to 8 mph11 to 13 km/h. 11% chance of drizzle overnight. | |||||||
| WednesdayOct 21 | 61°F16°C | 46°F8°C Feels 43°F6°C | 0.02 in0.6 mm· 9% | 44% | Partly Cloudy | SE 7 mph11 km/h | |
DayPartly cloudy and mild, with a high of 61°F16°C and morning low of 46°F8°C. Breezy from the SE at 7 to 8 mph11 to 12 km/h. Dry air. NightPartly cloudy, with a low around 46°F8°C. Breezy from the SE at 6 to 7 mph10 to 12 km/h. | |||||||
| ThursdayOct 22 | 62°F16°C | 49°F9°C Feels 45°F7°C | 0.1 in2.6 mm· 19% | 61% | Showers | SW 8 mph14 km/h | |
DayMostly cloudy and mild, with a high of 62°F16°C and morning low of 49°F10°C. Breezy from the SW at 9 to 10 mph14 to 16 km/h. 17% chance of drizzle in the morning. Dry air. NightMostly cloudy, with a low around 49°F9°C. Breezy from the SW at 8 to 9 mph13 to 14 km/h. 19% chance of showers overnight. | |||||||
| FridayOct 23 | 58°F15°C | 49°F9°C Feels 45°F7°C | 0.09 in2.4 mm· 21% | 69% | Drizzle | WSW 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 58°F15°C and morning low of 49°F9°C. Breezy from the WSW at 9 to 10 mph14 to 15 km/h. 20% chance of drizzle in the morning. Dry air. NightMostly cloudy, with a low around 49°F9°C. Breezy from the WSW at 8 to 9 mph13 to 14 km/h. 21% chance of drizzle overnight. | |||||||
| SaturdayOct 24 | 57°F14°C | 46°F8°C Feels 42°F6°C | 0.1 in2.5 mm· 20% | 67% | Drizzle | WSW 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 57°F14°C and morning low of 46°F8°C. Breezy from the WSW at 9 to 10 mph14 to 16 km/h. 20% chance of drizzle in the morning. Dry air. NightMostly cloudy, with a low around 47°F8°C. Breezy from the WSW at 8 to 9 mph13 to 14 km/h. 19% chance of drizzle overnight. | |||||||
| SundayOct 25 | 56°F13°C | 45°F7°C Feels 41°F5°C | 0.09 in2.4 mm· 19% | 59% | Drizzle | WSW 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 56°F13°C and morning low of 45°F7°C. Breezy from the WSW at 9 to 10 mph15 to 16 km/h. 14% chance of drizzle in the morning. Dry air. NightMostly cloudy, with a low around 45°F7°C. Breezy from the WSW at 8 to 9 mph13 to 14 km/h. 19% chance of drizzle overnight. | |||||||
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Coordinates: 43.2181°N, 79.9872°W·Elevation: 253m·Timezone: America/Toronto·Population: 40,557