Rockton Aerodrome Weather Briefing

Page generated at:

Sat Aug 22 21:19:16 UTC 2026
Sat Aug 22 17:19:16 EDT 2026

For soaring conditions, visit XCSkies or SkySight For the tephigram, visit Tephigrams For a map of NOTAMs, visit NOTAM Map Nobody wants the source code to this

Environment Canada weather for Cambridge - Kitchener - Waterloo:

Kitchener - Cambridge - Region of Waterloo.
Tonight..Cloudy. 40 percent chance of showers early this evening.
 Showers beginning early this evening then changing to 60 percent
 chance of showers near midnight. Risk of a thunderstorm this
 evening. Local amount 5 to 10 mm. Wind becoming west 20 km/h after
 midnight. Low 15.
Sunday..Cloudy with 60 percent chance of showers in the morning and
 early in the afternoon. Showers beginning in the afternoon. Risk of
 a thunderstorm in the afternoon. Local amount 5 mm. Wind west
 20 km/h gusting to 40. High 19. UV index 4 or moderate.
Sunday night..Showers with risk of a thunderstorm. Local amount 5 to
 10 mm. Wind west 20 km/h gusting to 40 becoming light near midnight.
 Wind becoming southwest 20 before morning. Low 13.

Environment Canada weather for Hamilton:

City of Hamilton.
Tonight..A few showers ending before morning then cloudy with
 40 percent chance of showers. Risk of a thunderstorm this evening
 and overnight. Local amount 10 to 15 mm. Wind south 20 km/h becoming
 west 20 late this evening. Low 16.
Sunday..Mainly cloudy with 40 percent chance of showers in the
 morning and early in the afternoon. A few showers beginning in the
 afternoon. Risk of a thunderstorm late in the afternoon. Local
 amount 5 to 10 mm. Wind west 30 km/h gusting to 50. High 19. UV
 index 6 or high.
Sunday night..A few showers ending in the evening then cloudy with
 40 percent chance of showers. Risk of a thunderstorm in the evening
 and overnight. Wind southwest 20 km/h. Low 13.

METARs and TAFs for Waterloo, Hamilton, London and Toronto:

Waterloo Well , Canada (CYKF) 43-28N 080-23W
Aug 22, 2026 - 05:10 PM EDT / 2026.08.22 2110 UTC
Wind: from the E (090 degrees) at 5 MPH (4 KT):0
Visibility: 9 mile(s):0
Sky conditions: mostly cloudy
Weather: light rain; thunder in the vicinity
Temperature: 71 F (22 C)
Dew Point: 66 F (19 C)
Relative Humidity: 83%
Pressure (altimeter): 29.8 in. Hg (1009 hPa)
ob: CYKF 222110Z AUTO 09004KT 9SM -RA VCTS BKN029 BKN110 22/19 A2980 RMK LTNG DIST ALQDS SLP088 DENSITY ALT 2200FT
cycle: 21


Hamilton Airport , Canada (CYHM) 43-10N 079-56W
Aug 22, 2026 - 05:15 PM EDT / 2026.08.22 2115 UTC
Wind: from the S (170 degrees) at 10 MPH (9 KT):0
Visibility: 15 mile(s):0
Sky conditions: mostly cloudy
Temperature: 69 F (21 C)
Dew Point: 64 F (18 C)
Relative Humidity: 82%
Pressure (altimeter): 29.8 in. Hg (1009 hPa)
ob: CYHM 222115Z 17009KT 15SM FEW035 SCT045 BKN095 21/18 A2980 RMK CU2CU2AC3 SLP092 DENSITY ALT 1800FT
cycle: 21


London, Ont., Canada (CYXU) 43-02N 081-09W 278M
Aug 22, 2026 - 05:07 PM EDT / 2026.08.22 2107 UTC
Wind: from the S (180 degrees) at 8 MPH (7 KT) gusting to 17 MPH (15 KT):0
Visibility: 15 mile(s):0
Sky conditions: mostly cloudy
Temperature: 73 F (23 C)
Dew Point: 66 F (19 C)
Relative Humidity: 78%
Pressure (altimeter): 29.79 in. Hg (1008 hPa)
ob: CYXU 222107Z 18007G15KT 15SM SCT023 BKN070 BKN140 23/19 A2979 RMK SC3AC2AC2 VCSH NW SLP086 DENSITY ALT 2300FT
cycle: 21


Toronto Pearson Int'L. Ont., Canada (CYYZ) 43-40N 079-38W 173M
Aug 22, 2026 - 05:00 PM EDT / 2026.08.22 2100 UTC
Wind: from the ESE (110 degrees) at 10 MPH (9 KT):0
Visibility: 15 mile(s):0
Sky conditions: mostly cloudy
Weather: light rain with thunder; Cumulonimbus clouds observed
Temperature: 73 F (23 C)
Dew Point: 62 F (17 C)
Relative Humidity: 68%
Pressure (altimeter): 29.79 in. Hg (1008 hPa)
ob: CYYZ 222100Z 11009KT 15SM -TSRA FEW035CB SCT062 BKN100 BKN250 23/17 A2979 RMK CB2SC1AC2CI2 CB NW - N VIS N 5 SLP090 DENSITY ALT 1800FT
cycle: 21