Location & Surroundings
Grantham is a settlement in Ontario, Canada, at 90 m elevation. The nearest larger town is St. Catharines, 4 km to the southwest. The national capital Ottawa is about 375 km to the northeast. The nearest airport is St. Catharines/Niagara District Airport, 5 km away.
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
43° 12' 23" N, 79° 13' 31" W
- Elevation DEM: 90 m
- Timezone America/Toronto
- Time Shift GMT -5 (DST -4)
Statistics & Country
- Pop. Density 2,546 p/km²
- Built-up 32.2%
- Settlement Urban centre
- Currency Dollar (CAD)
- Phone Prefix +1
Sun & Local Time
- Local time 07:40
- Sunrise 07:34
- Sunset 18:29
- Day length 10 h 55 min
Other populated places nearby
Nearby
Weather in Grantham
Current conditions and a 3-day (72-hour) weather forecast for Grantham, updated from the NOAA GFS model.
Now 12.5 C with mostly clear skies and a 5.3 m/s south-westerly wind. Next 24h: 10.9 to 17.0 C, max wind 5.3 m/s. No precipitation expected. Solar peaks near 418 W/m2.
Temperature
12.5 C
Wind
5.3 m/s SW (218 deg)
Humidity
64 %
Pressure
1,029.8 hPa
Clouds
0 %
Precip
0.00 mm
Solar
0.0 W/m2
UV-B
n/a
| Hour | Temp (C) | Wind (m/s) | Dir (deg) | RH (%) | Pressure (hPa) | Precip (step/total mm) | Clouds (%) | Solar (W/m2) | UV-B (W/m2) |
|---|---|---|---|---|---|---|---|---|---|
| NOW | 12.5 | 5.3 | 218 | 64 | 1,029.8 | - / 0.00 | 0 | 0.0 | n/a |
| 6h | 10.9 | 4.7 | 230 | 74 | 1,030.1 | 0.00 / 0.00 | 0 | 0.7 | n/a |
| 12h | 17.0 | 3.0 | 267 | 50 | 1,028.1 | 0.00 / 0.00 | 0 | 417.8 | n/a |
| 18h | 14.1 | 3.2 | 207 | 69 | 1,027.5 | 0.00 / 0.00 | 0 | 226.0 | n/a |
| Tomorrow | 12.7 | 4.1 | 15 | 80 | 1,028.1 | 0.00 / 0.00 | 1 | 0.0 | n/a |
| 30h | 11.8 | 6.2 | 61 | 76 | 1,029.6 | 0.00 / 0.00 | 57 | 0.6 | n/a |
| 36h | 13.3 | 6.4 | 51 | 56 | 1,030.1 | 0.00 / 0.00 | 0 | 402.8 | n/a |
| 42h | 11.3 | 3.6 | 93 | 58 | 1,030.0 | 0.00 / 0.00 | 0 | 228.3 | n/a |
| Wednesday | 8.8 | 3.2 | 105 | 73 | 1,029.6 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| 54h | 7.6 | 2.9 | 102 | 82 | 1,029.0 | 0.00 / 0.00 | 0 | 0.5 | n/a |
| 60h | 12.8 | 4.1 | 44 | 62 | 1,026.9 | 0.00 / 0.00 | 0 | 415.8 | n/a |
| 66h | 10.6 | 2.6 | 75 | 69 | 1,025.8 | 0.00 / 0.00 | 0 | 223.6 | n/a |
| Thursday | 9.0 | 0.0 | 68 | 63 | 1,024.7 | 0.00 / 0.00 | 8 | 0.0 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-19 06:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Grantham?
Now 12.5 C with mostly clear skies and a 5.3 m/s south-westerly wind. Next 24h: 10.9 to 17.0 C, max wind 5.3 m/s. No precipitation expected. Solar peaks near 418 W/m2.
Is precipitation expected in the next 24 hours?
No measurable precipitation is expected in the next 24 hours.
When are sunrise and sunset in Grantham today?
Sunrise around 07:34 and sunset around 18:29 (local time). Day length about 10h 55m.
What is the local time in Grantham?
Local time is 07:40. Time zone: America/Toronto (UTC-04:00).
What type of place is Grantham?
Grantham is a populated place.
What is the elevation of Grantham?
DEM 90 m.
Where is Grantham located?
It is at 43.20639, -79.22528 (latitude, longitude).
Which country is Grantham in?
It is in Canada.