Location & Surroundings
Grantham is an area in Ontario, Canada, at 100 m elevation. The nearest larger town is St. Catharines, 3 km to the southwest. The national capital Ottawa is about 375 km to the northeast. The nearest airport is St. Catharines/Niagara District Airport, 4 km away.
Basic Data
- Type area (AREA)
- a tract of land without homogeneous character or boundaries
Geography
-
Coordinates
43° 11' 0" N, 79° 12' 59" W
- Elevation DEM: 100 m
- Timezone America/Toronto
- Time Shift GMT -5 (DST -4)
Statistics & Country
- Pop. Density 3,129 p/km²
- Built-up 32.7%
- Settlement Urban centre
- Currency Dollar (CAD)
- Phone Prefix +1
Sun & Local Time
- Local time 05:28
- Sunrise 07:31
- Sunset 18:32
- Day length 11 h 1 min
Nearby
Weather in Grantham
Current conditions and a 3-day (72-hour) weather forecast for Grantham, updated from the NOAA GFS model.
Now 10.4 C with overcast skies and a 9.3 m/s northerly wind. Next 24h: 5.3 to 10.4 C, max wind 9.8 m/s. No precipitation expected. Solar peaks near 435 W/m2.
Temperature
10.4 C
Wind
9.3 m/s N (339 deg)
Humidity
70 %
Pressure
1,015.0 hPa
Clouds
95 %
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 | 10.4 | 9.3 | 339 | 70 | 1,015.0 | - / 0.00 | 95 | 0.0 | n/a |
| 6h | 8.1 | 9.8 | 351 | 66 | 1,021.0 | 0.17 / 0.17 | 46 | 0.0 | n/a |
| 12h | 5.3 | 7.8 | 359 | 61 | 1,027.1 | 0.00 / 0.05 | 10 | 0.9 | n/a |
| 18h | 7.6 | 3.7 | 336 | 39 | 1,029.3 | 0.00 / 0.00 | 0 | 435.3 | n/a |
| Tomorrow | 8.7 | 2.8 | 248 | 44 | 1,029.7 | 0.00 / 0.00 | 0 | 237.7 | n/a |
| 30h | 7.4 | 4.7 | 234 | 59 | 1,031.6 | 0.00 / 0.00 | 3 | 0.0 | n/a |
| 36h | 7.7 | 5.0 | 243 | 59 | 1,032.8 | 0.00 / 0.00 | 4 | 0.8 | n/a |
| 42h | 15.6 | 6.5 | 230 | 54 | 1,031.9 | 0.00 / 0.00 | 2 | 424.5 | n/a |
| Monday | 11.5 | 5.6 | 224 | 59 | 1,031.5 | 0.00 / 0.00 | 5 | 228.4 | n/a |
| 54h | 10.9 | 3.7 | 217 | 66 | 1,031.5 | 0.00 / 0.00 | 4 | 0.0 | n/a |
| 60h | 10.2 | 3.4 | 229 | 74 | 1,031.7 | 0.00 / 0.00 | 0 | 0.7 | n/a |
| 66h | 16.2 | 2.8 | 302 | 50 | 1,028.9 | 0.00 / 0.00 | 0 | 419.6 | n/a |
| Tuesday | 13.1 | 3.1 | 205 | 65 | 1,027.4 | 0.00 / 0.00 | 0 | 227.9 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-17 00:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Grantham?
Now 10.4 C with overcast skies and a 9.3 m/s northerly wind. Next 24h: 5.3 to 10.4 C, max wind 9.8 m/s. No precipitation expected. Solar peaks near 435 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 07:31 and sunset around 18:32 (local time). Day length about 11h 01m.
What is the local time in Grantham?
Local time is 05:28. Time zone: America/Toronto (UTC-04:00).
What type of place is Grantham?
Grantham is a area.
What is the elevation of Grantham?
DEM 100 m.
Where is Grantham located?
It is at 43.18341, -79.21628 (latitude, longitude).
Which country is Grantham in?
It is in Canada.