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Waterdown weather forecast

Ontario, Canada · Toronto time · 43.33°, -79.88°

Current conditions · 12:00 AM local

Current conditions in Waterdown

17°C

Overcast

Feels like 16°C

Humidity
73%
Wind
14 km/h W
Gusts
21 km/h
UV index
0
Visibility
21.7 km

Right now

Right now in Waterdown, it's overcast with the temperature at 17 °C. It feels close to the actual reading at 16 °C. Wind is from the W at 14 km/h. Humidity stands at 73% with sea-level pressure near 1015 hPa.

At a glance

Today

18° / 13°

Light drizzle · rain likely (62%)

Tomorrow

23° / 12°

Fog

Upcoming · to Sunday

26° / 12°

Highs 26°, lows 12°. The most active day looks like Thursday, when rain chances peak at 71%.

Next 3 days

Today brings light drizzle with a high of 18 °C and a low of 13 °C. Rain chance peaks at 62% with around 0.3 mm possible. Tomorrow looks like fog; temperatures run from 12 °C up to 23 °C. Wednesday looks like overcast; temperatures run from 13 °C up to 24 °C.

Today

Mon, Jun 22

Light drizzle

18°13°

Rain chance
62%
Precip
0.3 mm
Max wind
16 km/h

Tomorrow

Tue, Jun 23

Fog

23°12°

Rain chance
0%
Precip
0 mm
Max wind
18 km/h

Wednesday

Wed, Jun 24

Overcast

24°13°

Rain chance
5%
Precip
0 mm
Max wind
10 km/h

Next 48 hours

  1. 12 AM17°0%14 km/h
  2. 1 AM17°1%15 km/h
  3. 2 AM17°1%13 km/h
  4. 3 AM16°6%12 km/h
  5. 4 AM15°7%6 km/h
  6. 5 AM16°10%6 km/h
  7. 6 AM15°16%8 km/h
  8. 7 AM15°37%13 km/h
  9. 8 AM15°46%12 km/h
  10. 9 AM16°49%9 km/h
  11. 10 AM16°62%7 km/h
  12. 11 AM17°59%10 km/h
  13. 12 PM17°37%8 km/h
  14. 1 PM18°20%11 km/h
  15. 2 PM17°9%12 km/h
  16. 3 PM17°7%12 km/h
  17. 4 PM18°6%16 km/h
  18. 5 PM15°2%15 km/h
  19. 6 PM15°2%13 km/h
  20. 7 PM15°1%12 km/h
  21. 8 PM16°1%12 km/h
  22. 9 PM14°0%10 km/h
  23. 10 PM13°0%6 km/h
  24. 11 PM13°0%4 km/h
  25. 12 AM12°0%2 km/h
  26. 1 AM12°0%5 km/h
  27. 2 AM12°0%5 km/h
  28. 3 AM12°0%13 km/h
  29. 4 AM13°0%15 km/h
  30. 5 AM12°0%9 km/h
  31. 6 AM13°0%16 km/h
  32. 7 AM15°0%17 km/h
  33. 8 AM17°0%10 km/h
  34. 9 AM19°0%9 km/h
  35. 10 AM20°0%13 km/h
  36. 11 AM21°0%12 km/h
  37. 12 PM22°0%12 km/h
  38. 1 PM22°0%13 km/h
  39. 2 PM23°0%14 km/h
  40. 3 PM23°0%16 km/h
  41. 4 PM23°0%15 km/h
  42. 5 PM23°0%16 km/h
  43. 6 PM22°0%18 km/h
  44. 7 PM21°0%14 km/h
  45. 8 PM20°0%12 km/h
  46. 9 PM18°0%11 km/h
  47. 10 PM16°0%10 km/h
  48. 11 PM16°0%11 km/h

In depth

Across Waterdown right now you'll find overcast and a temperature of 17 °C, with the apparent temperature at 16 °C. Today's forecast calls for light drizzle, topping out near 18 °C before falling back to 13 °C overnight. Winds blow mainly from the NE around 16 km/h, with gusts up to 26 km/h. A warming trend takes daytime highs from 18 to 26 °C over the coming week. Rain is in the picture on Thursday, with roughly 25 mm expected in total across the week. Tomorrow brings fog with a high of 23 °C and a 0% chance of precipitation. Sunrise comes at 05:39 and sunset at 21:03, giving 15.4 hours of daylight. Current humidity sits at 73% with pressure near 1015 hPa. Looking further out, Friday shows overcast with a high around 23 °C, while Sunday ends the week at 26 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.

Air quality

36

Good

US AQI · European AQI 17

Air quality in Waterdown is currently good, with a US AQI of 36 (European AQI 17). The dominant pollutant right now is nitrogen dioxide. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 11.3 µg/m³.

Pollutants

PM2.5
11.3 µg/m³
PM10
11.5 µg/m³
Ozone (O₃)
20 µg/m³
NO₂
34.8 µg/m³
SO₂
2.7 µg/m³
CO
201 µg/m³
Dust
0 µg/m³

Sun & UV

Sunrise
5:39 AM
Sunset
9:03 PM
Daylight
15h 24m
Max UV
3.75 Moderate

Wind

Wind
14 km/h
Gusts
21 km/h
Direction
W (274°)

Farming weather

Soil temperatures today read surface 13.1 °C, 6 cm 16.2 °C, 18 cm 17.6 °C, 54 cm 15.6 °C. Soil moisture sits at 0-1 cm at 0.34 m³/m³, 3-9 cm at 0.34 m³/m³, 27-81 cm at 0.35 m³/m³. For wheat, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. Forecast rain (25 mm) roughly covers crop water demand (ET0 27 mm), so irrigation can likely be paused. A suitable spraying window opens around 10:00 on 2026-06-22, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: wheat 95, maize 56.

Topsoil moisture
0.328 m³/m³
Soil temp
16°C
ET₀ today
2.42 mm
Spray window
~5:00
Rain (next 7d)
25.2 mm
Wind
14 km/h
Humidity
73%

Full farming outlook for Waterdown →

Advisory summary

No weather alert thresholds are crossed for Waterdown in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.

All data for Waterdown
Every forecast variable for Waterdown with human-readable labels
VariableValue
CityWaterdown, Ontario, Canada
Coordinates43.33341, -79.88293
Elevation236 m
TimezoneAmerica/Toronto
Population24,400
Observed at (local)12:00 AM
Temperature (2 m)17°C
Apparent temperature16°C
Relative humidity (2 m)73%
Dew point (2 m)12°C
Precipitation (last hour)0 mm
Rain0 mm
Showers0 mm
Snowfall0 cm
Weather code (WMO)3
Cloud cover100%
Surface pressure987 hPa
Sea-level pressure1015 hPa
Wind speed (10 m)14 km/h
Wind gusts (10 m)21 km/h
Wind direction (10 m)274° (W)
Visibility21.7 km
UV index0
Day / nightNight
Today max / min18°C / 13°C
Today feels-like max / min19°C / 13°C
Today precipitation sum0.3 mm
Today rain sum0.3 mm
Today snowfall sum0 cm
Today max precip probability62%
Today max wind / gusts16 km/h / 26 km/h
Dominant wind direction38° (NE)
Sunrise / sunset5:39 AM / 9:03 PM
Daylight duration15h 24m
Sunshine duration2h 24m
Max UV index3.75
Reference evapotranspiration (ET₀)2.42 mm
Topsoil moisture (0–1 cm)0.328 m³/m³
Surface soil temperature16°C
US AQI36
European AQI17
PM2.511.3 µg/m³
PM1011.5 µg/m³
Ozone (O₃)20 µg/m³
Nitrogen dioxide (NO₂)34.8 µg/m³
Sulphur dioxide (SO₂)2.7 µg/m³
Carbon monoxide (CO)201 µg/m³
Dust0 µg/m³

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Frequently asked questions

Will it rain in Waterdown tomorrow?

Rain is unlikely in Waterdown tomorrow; the precipitation chance stays around 0%.

What is the temperature in Waterdown today?

Today Waterdown sees light drizzle with a high of 18 °C and a low of 13 °C.

How hot will it be in Waterdown tomorrow?

Tomorrow's high in Waterdown is forecast at 23 °C with fog.

Is it windy in Waterdown today?

No, not especially; gusts only reach up to 26 km/h today.

What is the UV index in Waterdown today?

The UV index peaks at 4 today, which is moderate.

What time is sunrise and sunset in Waterdown today?

The sun rises at 05:39 and sets at 21:03 local time.

Is the air quality in Waterdown good today?

Air quality is good right now, with a US AQI reading of 36.