Current Conditions

Mount Olive-Silverstone-Jamestown, Ontario

49°F9°C
Clear

Feels like45°F7°C

Wind

ENE 10 mph16 km/h

Humidity

76%

Cloud Cover

10%

As of Wednesday, September 23, 2026 at 2:17 AM EDT

Today's Outlook

Day

Mostly clear and mild, with a high of 64°F18°C and morning low of 49°F10°C. Breezy from the E at 12 to 13 mph20 to 22 km/h. Dry air.

Night

Mostly clear, with a low around 48°F9°C. Breezy from the ENE at 9 to 10 mph15 to 16 km/h.

7-Day Forecast

DayConditionHigh (°F)Low (°F)Precip (mm)Cloud Cover (%)Wind (mph)
ClearHigh 64°F18°CLow 48°F9°CFeels 43°F6°CPrecip 0 in0 mmCloud 15%Wind ENE 11 mph18 km/hWednesday: Mostly clear and mild, with a high of 64°F18°C and morning low of 49°F10°C. Breezy from the E at 12 to 13 mph20 to 22 km/h. Dry air. Wednesday Night: Mostly clear, with a low around 48°F9°C. Breezy from the ENE at 9 to 10 mph15 to 16 km/h.
ClearHigh 65°F18°CLow 48°F9°CFeels 45°F7°CPrecip 0 in0 mmCloud 7%Wind E 7 mph11 km/hThursday: Mostly clear and mild, with a high of 65°F18°C and morning low of 49°F9°C. Breezy from the E at 8 to 9 mph13 to 15 km/h. Dry air. Thursday Night: Mostly clear, with a low around 48°F9°C. Breezy from the ENE at 6 to 9 mph9 to 15 km/h.
ClearHigh 70°F21°CLow 44°F7°CFeels 41°F5°CPrecip 0 in0 mmCloud 36%Wind N 6 mph10 km/hFriday: Partly cloudy and warm, with a high of 70°F21°C and morning low of 45°F7°C. Breezy from the NNE at 6 to 7 mph10 to 11 km/h. Dry air. Friday Night: Partly cloudy, with a low around 44°F7°C. Breezy from the N at 7 to 9 mph11 to 15 km/h.
ClearHigh 73°F23°CLow 49°F10°CFeels 46°F8°CPrecip 0 in0 mmCloud 28%Wind N 8 mph13 km/hSaturday: Mostly clear and warm, with a high of 73°F23°C and morning low of 49°F10°C. Breezy from the N at 7 to 9 mph12 to 14 km/h. Dry air. Saturday Night: Partly cloudy, with a low around 49°F10°C. Breezy from the N at 8 to 9 mph14 to 14 km/h.
DrizzleHigh 71°F21°CLow 52°F11°CPrecip 0.02 in0.5 mm14%Cloud 63%Wind N 8 mph13 km/hSunday: Mostly cloudy and warm, with a high of 71°F21°C and morning low of 53°F12°C. Breezy from the NNE at 9 to 10 mph14 to 15 km/h. Dry air. Sunday Night: Mostly cloudy, with a low around 52°F11°C. Breezy from the N at 7 to 9 mph12 to 14 km/h. 14% chance of drizzle in the evening.
DrizzleHigh 68°F20°CLow 55°F13°CPrecip 0.02 in0.6 mm12%Cloud 60%Wind N 5 mph8 km/hMonday: Mostly cloudy and mild, with a high of 68°F20°C and morning low of 55°F13°C. Light wind from the N around 5 mph9 km/h. 12% chance of drizzle. Monday Night: Mostly cloudy, with a low around 55°F13°C. Light wind from the N around 5 mph8 km/h. 11% chance of drizzle overnight.
Partly CloudyHigh 70°F21°CLow 52°F11°CPrecip 0 in0 mmCloud 46%Wind S 5 mph8 km/hTuesday: Partly cloudy and warm, with a high of 70°F21°C and morning low of 52°F11°C. Light wind from the S around 5 mph8 km/h. Tuesday Night: Partly cloudy, with a low around 53°F12°C. Light wind from the SSW around 5 mph8 km/h.

15-Day Forecast

Day High Low Precip Cloud Cover Condition Wind
WednesdaySep 2364°F18°C48°F9°C
Feels 43°F6°C
0 in0 mm· —15%ClearENE 11 mph18 km/h
ThursdaySep 2465°F18°C48°F9°C
Feels 45°F7°C
0 in0 mm· —7%ClearE 7 mph11 km/h
FridaySep 2570°F21°C44°F7°C
Feels 41°F5°C
0 in0 mm· —36%ClearN 6 mph10 km/h
SaturdaySep 2673°F23°C49°F10°C
Feels 46°F8°C
0 in0 mm· —28%ClearN 8 mph13 km/h
SundaySep 2771°F21°C52°F11°C0.02 in0.5 mm· 14%63%DrizzleN 8 mph13 km/h
MondaySep 2868°F20°C55°F13°C0.02 in0.6 mm· 12%60%DrizzleN 5 mph8 km/h
TuesdaySep 2970°F21°C52°F11°C0 in0 mm· —46%Partly CloudyS 5 mph8 km/h
WednesdaySep 3069°F21°C55°F13°C0.11 in2.8 mm· 28%74%Light RainSSE 7 mph12 km/h
ThursdayOct 168°F20°C58°F15°C0.19 in4.8 mm· 25%69%ShowersSW 9 mph14 km/h
FridayOct 265°F18°C54°F12°C0.13 in3.4 mm· 21%64%ShowersW 8 mph14 km/h
SaturdayOct 365°F18°C52°F11°C0.11 in2.9 mm· 18%66%ShowersSW 8 mph13 km/h
SundayOct 464°F18°C54°F12°C0.16 in4.1 mm· 26%65%ShowersSW 8 mph14 km/h
MondayOct 561°F16°C51°F10°C0.11 in2.8 mm· 21%60%ShowersW 9 mph14 km/h
TuesdayOct 660°F16°C49°F9°C
Feels 45°F7°C
0.1 in2.5 mm· 20%59%DrizzleW 8 mph14 km/h
WednesdayOct 759°F15°C48°F9°C
Feels 44°F7°C
0.09 in2.3 mm· 26%61%DrizzleW 9 mph14 km/h

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 →

How to Access Weather Forecasts

PatternExampleDescription
/weather/{country}/{city}//weather/united-states/san-francisco/City forecast (canonical URL)
/weather/{city}//weather/tokyo/Shorthand — redirects to most populous match
/weather/{country}/{region}/{city}//weather/united-states/california/san-francisco/With region — redirects to canonical
/weather/nearby?lat={lat}&lon={lon}/weather/nearby?lat=48.1&lon=11.5Find nearest city by coordinates
/weather/{country}//weather/germany/Country index — all cities by region

Country and city names use lowercase slugs with hyphens (e.g. united-states, san-francisco). Arbitrary city names are supported — if not in our database, we geocode the name and serve the forecast for that location.

For programmatic access, use theWindBorne Forecast APIwhich returns structured JSON for any coordinates worldwide.

Coordinates: 43.7469°N, 79.5873°W·Elevation: 160m·Timezone: America/Toronto·Population: 32,954