Weather in Winchester
Ontario, 75 m · continuously updated
Kemptville Cs (24 km) · 11 °C · ECCC 08:00
- Wind
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- Humidity
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- Rain ahead
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- Sunset
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Temperature · last 4 and next 28 hours
Winchester weather: the next 24 hours
Updated hourly.
Winchester 14-day forecast
Two-week trend.
Sun and golden hours
Sunrise –, golden light until –
Sunset –, golden light from –
–
Air quality
European index, modelled by Copernicus (CAMS).
UV index
Daily maximum — protection advised from 3.
Freezing level
Snow settles about 300 m below it.
Around Winchester
Neighbouring towns, as the crow flies.
Official weather warnings
No active warning for Winchester.
Updated 02 Nov 13:13.
Data Source: Environment and Climate Change Canada, under the Data Services End-use Licence. Warnings are shown unaltered; this site is not endorsed by Environment and Climate Change Canada.
Is there an active weather warning for Winchester?
No active warning for Winchester.
Latest measurement near Winchester
Measured at Kemptville Cs, 24 km away from Winchester, November 2, 08:00 EST. This Environment and Climate Change Canada weather station is at an elevation of 101 m (Ontario). These are measured values, not a forecast.
| Temperature | 10.7 °C |
|---|---|
| Wind | 11 km/h SW |
| Gusts, last hour | — |
| Precipitation, last hour | 0.0 mm |
| Humidity | 86 % |
| Pressure (sea level) | 1025 hPa |
Past 24 hours: low 1.3 °C, high 16.4 °C, 0.0 mm of precipitation.
Winchester lies at about 75 m; the station is at 101 m.
Latest measurements from the Canadian weather stations
Data Source: Environment and Climate Change Canada. Reports are published as measured, without quality control, and may contain errors or gaps. Not an official product of the Government of Canada and not endorsed by it. Data Services End-use Licence
Today in Winchester
- Best time to air the house: between 8:00 and 10:00. The outdoor dew point drops to 7.9 °C; once warmed to 20 °C, that air holds only 46 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
- Washing outside: allow about 5 h, hanging it out between 10:00 and 15:00. Air at 75 % humidity, 13.3 °C and wind at 18.7 km/h: it will dry, but not quickly. How it is calculated
- UV index of 3 around 12:00: stay in the shade around 12:00. Fair skin burns in about 66 minutes without protection; wear sunscreen and a hat if you are outdoors. How it is calculated
- Garden: 6.5 mm of rain expected within 48 h, against a need of 2.2 mm. No need to water, the rain will do it. How it is calculated
- Terrace and barbecue between 18:00 and 23:00: dry but cool, 12 °C at 8 pm and wind at 10 km/h. Wrap up warm, or move indoors. How it is calculated
Calculated from Open-Meteo forecasts of 2026-11-02 08:13 (local time): model values, not measurements. All of today's advice
7-day forecast for Winchester
Today (Monday 2 Nov) in Winchester: overcast, 9 to 18 °C, precipitation 0.0 mm (4 %), wind up to 19 km/h. Tomorrow: light rain, 10 to 13 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | overcast | 9 °C | 18 °C | 0.0 mm | 19 km/h |
| Tomorrow | light rain | 10 °C | 13 °C | 6.5 mm | 15 km/h |
| Wed 4 Nov | overcast | 13 °C | 21 °C | 0.0 mm | 21 km/h |
| Thu 5 Nov | heavy drizzle | 11 °C | 18 °C | 2.9 mm | 21 km/h |
| Fri 6 Nov | drizzle | 11 °C | 14 °C | 1.3 mm | 15 km/h |
| Sat 7 Nov | drizzle | 5 °C | 11 °C | 3.7 mm | 19 km/h |
| Sun 8 Nov | overcast | 4 °C | 10 °C | 0.0 mm | 22 km/h |
Tomorrow's weather in Winchester
Tomorrow, Tuesday 3 Nov, in Winchester: light rain, from 10 to 13 °C, 6.5 mm of precipitation (probability 63 %), wind up to 15 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  overcast | 11 °C | 0.0 mm | 6 % | 11 km/h |
| 03:00 | overcast | 10 °C | 0.0 mm | 12 % | 12 km/h |
| 06:00 |  heavy drizzle | 11 °C | 1.1 mm | 22 % | 9 km/h |
| 09:00 |  light rain | 11 °C | 1.8 mm | 31 % | 9 km/h |
| 12:00 | overcast | 12 °C | 0.0 mm | 63 % | 11 km/h |
| 15:00 | light drizzle | 12 °C | 0.4 mm | 41 % | 12 km/h |
| 18:00 | overcast | 12 °C | 0.0 mm | 24 % | 15 km/h |
| 21:00 | overcast | 12 °C | 0.0 mm | 16 % | 5 km/h |
Frequently asked questions
Will it rain tomorrow in Winchester?
Yes: 6.5 mm expected, probability 63 %.
How warm will it be tomorrow in Winchester?
Between 10 and 13 °C.
The weekend
This weekend in Winchester: Saturday drizzle, 5 to 11 °C, Sunday overcast, 4 to 10 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Sat 7 Nov | drizzle | 5 °C | 11 °C | 3.7 mm | 19 km/h |
| Sun 8 Nov | overcast | 4 °C | 10 °C | 0.0 mm | 22 km/h |
Hour by hour
The next 48 hours in Winchester, hour by hour: temperature from 10 to 18 °C, 6.5 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 08:00 |  sunny | 10 °C | 0.0 mm | 2 % | 11 km/h |
| 09:00 | sunny | 12 °C | 0.0 mm | 2 % | 18 km/h |
| 10:00 | sunny | 13 °C | 0.0 mm | 2 % | 19 km/h |
| 11:00 | sunny | 15 °C | 0.0 mm | 2 % | 18 km/h |
| 12:00 | sunny | 16 °C | 0.0 mm | 2 % | 17 km/h |
| 13:00 | overcast | 17 °C | 0.0 mm | 2 % | 17 km/h |
| 14:00 | overcast | 18 °C | 0.0 mm | 2 % | 17 km/h |
| 15:00 | overcast | 18 °C | 0.0 mm | 2 % | 16 km/h |
| 16:00 | overcast | 16 °C | 0.0 mm | 2 % | 14 km/h |
| 17:00 | overcast | 14 °C | 0.0 mm | 2 % | 14 km/h |
| 18:00 | overcast | 14 °C | 0.0 mm | 3 % | 12 km/h |
| 19:00 | overcast | 12 °C | 0.0 mm | 3 % | 10 km/h |
| 20:00 | overcast | 12 °C | 0.0 mm | 3 % | 12 km/h |
| 21:00 | overcast | 12 °C | 0.0 mm | 3 % | 8 km/h |
| 22:00 | overcast | 11 °C | 0.0 mm | 3 % | 10 km/h |
| 23:00 | overcast | 11 °C | 0.0 mm | 4 % | 10 km/h |
| 00:00 | overcast | 11 °C | 0.0 mm | 6 % | 11 km/h |
| 01:00 | overcast | 11 °C | 0.0 mm | 10 % | 11 km/h |
| 02:00 | overcast | 10 °C | 0.0 mm | 11 % | 8 km/h |
| 03:00 | overcast | 10 °C | 0.0 mm | 12 % | 12 km/h |
| 04:00 | overcast | 10 °C | 0.0 mm | 15 % | 9 km/h |
| 05:00 | overcast | 11 °C | 0.0 mm | 19 % | 10 km/h |
| 06:00 | heavy drizzle | 11 °C | 1.1 mm | 22 % | 9 km/h |
| 07:00 | overcast | 11 °C | 0.0 mm | 31 % | 10 km/h |
| 08:00 | overcast | 11 °C | 0.0 mm | 36 % | 9 km/h |
| 09:00 | light rain | 11 °C | 1.8 mm | 31 % | 9 km/h |
| 10:00 | overcast | 12 °C | 0.0 mm | 45 % | 5 km/h |
| 11:00 | light rain | 12 °C | 1.4 mm | 59 % | 4 km/h |
| 12:00 | overcast | 12 °C | 0.0 mm | 63 % | 11 km/h |
| 13:00 | light drizzle | 12 °C | 0.4 mm | 58 % | 13 km/h |
| 14:00 | drizzle | 12 °C | 0.7 mm | 55 % | 11 km/h |
| 15:00 | light drizzle | 12 °C | 0.4 mm | 41 % | 12 km/h |
| 16:00 | drizzle | 12 °C | 0.7 mm | 45 % | 14 km/h |
| 17:00 | overcast | 12 °C | 0.0 mm | 35 % | 14 km/h |
| 18:00 | overcast | 12 °C | 0.0 mm | 24 % | 15 km/h |
| 19:00 | overcast | 13 °C | 0.0 mm | 20 % | 13 km/h |
| 20:00 | overcast | 13 °C | 0.0 mm | 16 % | 13 km/h |
| 21:00 | overcast | 12 °C | 0.0 mm | 16 % | 5 km/h |
| 22:00 | overcast | 13 °C | 0.0 mm | 16 % | 11 km/h |
| 23:00 | overcast | 13 °C | 0.0 mm | 16 % | 14 km/h |
| 00:00 | overcast | 14 °C | 0.0 mm | 16 % | 16 km/h |
| 01:00 | overcast | 14 °C | 0.0 mm | 16 % | 18 km/h |
| 02:00 | overcast | 14 °C | 0.0 mm | 4 % | 20 km/h |
| 03:00 | overcast | 14 °C | 0.0 mm | 4 % | 21 km/h |
| 04:00 | overcast | 14 °C | 0.0 mm | 4 % | 21 km/h |
| 05:00 | overcast | 14 °C | 0.0 mm | 4 % | 21 km/h |
| 06:00 | overcast | 13 °C | 0.0 mm | 4 % | 21 km/h |
| 07:00 | overcast | 13 °C | 0.0 mm | 4 % | 20 km/h |
Location of Winchester
Winchester lies at 75 m, 132 m below the average of the 265 places we cover in Ontario (207 m). That makes it the 22nd lowest of the 265. The main town, Toronto, lies 356 km to the south-west. The nearest places we cover are Russell (19 km to the north), Osgoode (21 km to the west), Embrun (22 km to the north) and Morrisburg (24 km to the south-east). With about 2,394 inhabitants according to GeoNames, Winchester is the 255th largest of the 265 places we cover in Ontario.
Today is 11.6 °C above the November normal (6.5 °C).
Climate of Winchester: 1991–2020 normals
In Winchester, July is typically the warmest month (up to 25.9 °C on average), while January is the coldest at -12.5 °C. October sees the most rain, with around 101 mm.
By season (average highs, 1991–2020 normals): winter -1.7 °C and 212 mm of rain, spring 11.4 °C and 262 mm, summer 24.8 °C and 289 mm, autumn 13.7 °C and 274 mm. The wettest season is summer (28 % of the annual total), the driest winter (20 %).
| Max T (°C) | Min T (°C) | Rainfall (mm) | Rainy days | |
|---|---|---|---|---|
| January | -3.5 | -12.5 | 72 | 11 |
| February | -1.8 | -11.6 | 59 | 10 |
| March | 3.7 | -6.1 | 73 | 11 |
| April | 11.5 | 1.2 | 97 | 12 |
| May | 18.9 | 8.3 | 92 | 12 |
| June | 23.7 | 13.8 | 100 | 12 |
| July | 25.9 | 16.8 | 97 | 12 |
| August | 24.9 | 16.3 | 91 | 12 |
| September | 21.0 | 12.6 | 92 | 10 |
| October | 13.6 | 6.4 | 101 | 12 |
| November | 6.5 | 0.1 | 81 | 11 |
| December | 0.1 | -6.7 | 80 | 12 |
Compared with Toronto, the main town 356 km to the south-west, highs in the warmest month are 0.5 °C lower here, and the year brings 227 mm more precipitation. In 4 months the average low falls below 0 °C (January, February, March and December); in 4 months the average high exceeds 20 °C (June, July, August and September).
Nearby places with normals of their own (from another station or reanalysis grid cell) compare as follows: Russell (19 km to the north): almost identical normals; Osgoode (21 km to the west): summers 0.1 °C cooler and 17 mm drier a year; Casselman (33 km to the north-east): equally warm summers and 30 mm wetter a year. Among the 265 places we cover in Ontario whose normals come from the ERA5 reanalysis, Winchester ranks 68th for summer warmth and 43rd for annual precipitation. The warmest summers are in LaSalle and Tecumseh and the coolest in Shuniah Township; the wettest year is in Crystal Beach and the driest in Kashechewan.
What is the warmest month in Winchester?
The warmest month in Winchester is typically July, averaging 25.9 °C (1991–2020 normal). The coldest is January, at -12.5 °C.
How many rainy days does Winchester get per year?
Winchester sees about 138 rainy days a year, adding up to roughly 1036 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Winchester?
Between July and January, the temperature gap in Winchester runs to about 38.4 °C, based on the 1991–2020 normals.