---
title: "10 Day Weather Forecast for Winchester, Ontario, CA"
description: "Get the latest 10 day weather forecast for Winchester, Ontario, CA. Stay prepared with accurate and up-to-date weather information to plan your week ahead."
location: "Winchester, Ontario, CA"
canonical: "https://www.weatherbug.com/weather-forecast/10-day-weather/winchester-ontario-ca"
coordinates: ["45.0834,-75.34933"]
temperature_units: "°F"
last_updated: "2026-06-04T22:01:00.0000000Z"
source: "WeatherBug"
---

# 10 Day Weather Forecast for Winchester, Ontario, CA

Get the latest 10-day weather forecast for Winchester, Ontario, CA, including day and night conditions, high and low temperatures, wind speed and direction and precipitation chances.
Forecast issued on 2026-06-04T22:01:00+00:00.

## 10 Day Weather Forecast

| Date       | Day Forecast                                     | Night Forecast                                 | High °F | Low °F |

| ---------- | ------------------------------------------------ |------------------------------------------------| -------: | -------: |

| Thu, Jun 4 |  | Partly cloudy. Low temperature around 61F. Dew point will be around 54F with an average humidity of 81%. Winds will be 7 mph from the SW. |  | 61°F |
| Fri, Jun 5 | Partly cloudy. High temperature around 84F. Dew point will be around 56F with an average humidity of 62%. Winds will be 7 mph from the SW. | Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 65F. Dew point will be around 59F with an average humidity of 92%. Winds will be 8 mph from the SW. | 84°F | 65°F |
| Sat, Jun 6 | Mostly cloudy with a 95% chance for rain and thunderstorms. High temperature around 75F. Dew point will be around 67F with an average humidity of 86%. Winds will be 9 mph from the SW. | Partly cloudy with a 95% chance for rain and thunderstorms. Low temperature around 61F. Dew point will be around 62F with an average humidity of 93%. Winds will be 7 mph from the W. | 75°F | 61°F |
| Sun, Jun 7 | Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 77F. Dew point will be around 61F with an average humidity of 68%. Winds will be 10 mph from the N. | Partly cloudy. Low temperature around 55F. Dew point will be around 56F with an average humidity of 79%. Winds will be 5 mph from the NE. | 77°F | 55°F |
| Mon, Jun 8 | Mostly sunny. High temperature around 81F. Dew point will be around 52F with an average humidity of 50%. Winds will be 6 mph from the E. | Clear. Low temperature around 56F. Dew point will be around 52F with an average humidity of 68%. Winds will be 3 mph from the E. | 81°F | 56°F |
| Tue, Jun 9 | Sunny. High temperature around 87F. Dew point will be around 58F with an average humidity of 53%. Winds will be 3 mph from the S. | Clear. Low temperature around 62F. Dew point will be around 59F with an average humidity of 71%. Winds will be 3 mph from the S. | 87°F | 62°F |
| Wed, Jun 10 | Mostly sunny. High temperature around 89F. Dew point will be around 62F with an average humidity of 53%. Winds will be 4 mph from the SW. | Partly cloudy. Low temperature around 65F. Dew point will be around 61F with an average humidity of 70%. Winds will be 3 mph from the SW. | 89°F | 65°F |
| Thu, Jun 11 | Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 88F. Dew point will be around 65F with an average humidity of 60%. Winds will be 2 mph from the SW. | Mostly clear. Low temperature around 66F. Dew point will be around 63F with an average humidity of 72%. Winds will be 3 mph from the SW. | 88°F | 66°F |
| Fri, Jun 12 | Mostly sunny. High temperature around 89F. Dew point will be around 66F with an average humidity of 60%. Winds will be 5 mph from the W. | Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 67F. Dew point will be around 63F with an average humidity of 71%. Winds will be 2 mph from the SW. | 89°F | 67°F |
| Sat, Jun 13 | Sunny. High temperature around 87F. Dew point will be around 64F with an average humidity of 58%. Winds will be 4 mph from the SW. | Partly cloudy. Low temperature around 67F. Dew point will be around 62F with an average humidity of 70%. Winds will be 4 mph from the SW. | 87°F | 67°F |



## Source Information
- Source: "https://www.weatherbug.com/weather-forecast/10-day-weather/winchester-ontario-ca"
- Last Updated: "2026-06-04T22:01:00+00:00"