Cornwall Motor Speedway
Long Sault, Canada
Ontario
Current Conditions
Temperature11 C (51 F)
Humidity94%
Dew Point10 C (49 F)
Barometric Pressure1017 hPa (30.03" Hg)
Current Density Altitude: -503 ft (-153 m) (Excellent)
Location & Actions
GPS Coordinates
45.053009, -74.798752
48-Hour Forecast
| Time | Temp | Humidity | Pressure | Density Altitude |
|---|---|---|---|---|
| Sep 17, 12:00 AM | 14 C (57 F) | 88% | 1018 hPa (30.07" Hg) | -136 ft (-41 m) |
| Sep 17, 1:00 AM | 13 C (55 F) | 94% | 1018 hPa (30.06" Hg) | -241 ft (-73 m) |
| Sep 17, 2:00 AM | 12 C (54 F) | 94% | 1017 hPa (30.04" Hg) | -300 ft (-91 m) |
| Sep 17, 3:00 AM | 12 C (53 F) | 93% | 1017 hPa (30.03" Hg) | -340 ft (-104 m) |
| Sep 17, 4:00 AM | 11 C (52 F) | 93% | 1017 hPa (30.04" Hg) | -446 ft (-136 m) |
| Sep 17, 5:00 AM | 11 C (51 F) | 94% | 1017 hPa (30.03" Hg) | -489 ft (-149 m) |
| Sep 17, 6:00 AM | 10 C (51 F) | 94% | 1017 hPa (30.04" Hg) | -536 ft (-163 m) |
| Sep 17, 7:00 AM | 10 C (50 F) | 95% | 1017 hPa (30.04" Hg) | -577 ft (-176 m) |
| Sep 17, 8:00 AM | 12 C (53 F) | 99% | 1018 hPa (30.05" Hg) | -363 ft (-111 m) |
| Sep 17, 9:00 AM | 14 C (56 F) | 97% | 1018 hPa (30.07" Hg) | -144 ft (-44 m) |
| Sep 17, 10:00 AM | 15 C (60 F) | 91% | 1017 hPa (30.04" Hg) | 111 ft (34 m) |
| Sep 17, 11:00 AM | 17 C (63 F) | 84% | 1017 hPa (30.02" Hg) | 369 ft (112 m) |
| Sep 17, 12:00 PM | 19 C (65 F) | 82% | 1015 hPa (29.98" Hg) | 578 ft (176 m) |
| Sep 17, 1:00 PM | 20 C (67 F) | 80% | 1015 hPa (29.96" Hg) | 719 ft (219 m) |
| Sep 17, 2:00 PM | 20 C (67 F) | 77% | 1014 hPa (29.95" Hg) | 720 ft (219 m) |
| Sep 17, 3:00 PM | 19 C (66 F) | 77% | 1014 hPa (29.94" Hg) | 642 ft (196 m) |
| Sep 17, 4:00 PM | 18 C (65 F) | 79% | 1014 hPa (29.93" Hg) | 563 ft (172 m) |
| Sep 17, 5:00 PM | 18 C (65 F) | 77% | 1014 hPa (29.93" Hg) | 571 ft (174 m) |
| Sep 17, 6:00 PM | 18 C (64 F) | 80% | 1013 hPa (29.93" Hg) | 533 ft (162 m) |
| Sep 17, 7:00 PM | 17 C (63 F) | 83% | 1013 hPa (29.92" Hg) | 473 ft (144 m) |
| Sep 17, 8:00 PM | 17 C (62 F) | 86% | 1013 hPa (29.91" Hg) | 418 ft (127 m) |
| Sep 17, 9:00 PM | 15 C (59 F) | 88% | 1013 hPa (29.92" Hg) | 220 ft (67 m) |
| Sep 17, 10:00 PM | 14 C (56 F) | 90% | 1014 hPa (29.93" Hg) | -13 ft (-4 m) |
| Sep 17, 11:00 PM | 13 C (56 F) | 90% | 1014 hPa (29.93" Hg) | -61 ft (-19 m) |
| Sep 18, 12:00 AM | 13 C (55 F) | 89% | 1013 hPa (29.93" Hg) | -86 ft (-26 m) |
| Sep 18, 1:00 AM | 13 C (55 F) | 89% | 1013 hPa (29.92" Hg) | -135 ft (-41 m) |
| Sep 18, 2:00 AM | 12 C (54 F) | 90% | 1013 hPa (29.91" Hg) | -145 ft (-44 m) |
| Sep 18, 3:00 AM | 12 C (53 F) | 90% | 1013 hPa (29.91" Hg) | -190 ft (-58 m) |
| Sep 18, 4:00 AM | 12 C (53 F) | 90% | 1013 hPa (29.90" Hg) | -239 ft (-73 m) |
| Sep 18, 5:00 AM | 11 C (52 F) | 90% | 1013 hPa (29.91" Hg) | -298 ft (-91 m) |
| Sep 18, 6:00 AM | 11 C (52 F) | 91% | 1013 hPa (29.92" Hg) | -298 ft (-91 m) |
| Sep 18, 7:00 AM | 11 C (52 F) | 91% | 1014 hPa (29.94" Hg) | -358 ft (-109 m) |
| Sep 18, 8:00 AM | 13 C (55 F) | 91% | 1015 hPa (29.96" Hg) | -164 ft (-50 m) |
| Sep 18, 9:00 AM | 15 C (59 F) | 78% | 1015 hPa (29.98" Hg) | 129 ft (39 m) |
| Sep 18, 10:00 AM | 16 C (60 F) | 73% | 1015 hPa (29.98" Hg) | 197 ft (60 m) |
| Sep 18, 11:00 AM | 17 C (62 F) | 66% | 1015 hPa (29.98" Hg) | 263 ft (80 m) |
| Sep 18, 12:00 PM | 16 C (62 F) | 62% | 1016 hPa (29.99" Hg) | 238 ft (73 m) |
| Sep 18, 1:00 PM | 17 C (63 F) | 58% | 1015 hPa (29.98" Hg) | 339 ft (103 m) |
| Sep 18, 2:00 PM | 17 C (63 F) | 51% | 1015 hPa (29.96" Hg) | 342 ft (104 m) |
| Sep 18, 3:00 PM | 17 C (62 F) | 57% | 1015 hPa (29.98" Hg) | 264 ft (80 m) |
| Sep 18, 4:00 PM | 17 C (62 F) | 51% | 1015 hPa (29.98" Hg) | 230 ft (70 m) |
| Sep 18, 5:00 PM | 16 C (61 F) | 49% | 1015 hPa (29.98" Hg) | 163 ft (50 m) |
| Sep 18, 6:00 PM | 15 C (59 F) | 54% | 1016 hPa (29.99" Hg) | 29 ft (9 m) |
| Sep 18, 7:00 PM | 13 C (56 F) | 63% | 1016 hPa (30.00" Hg) | -181 ft (-55 m) |
| Sep 18, 8:00 PM | 12 C (53 F) | 68% | 1016 hPa (30.01" Hg) | -378 ft (-115 m) |
| Sep 18, 9:00 PM | 11 C (51 F) | 68% | 1017 hPa (30.02" Hg) | -513 ft (-156 m) |
| Sep 18, 10:00 PM | 10 C (50 F) | 68% | 1017 hPa (30.02" Hg) | -615 ft (-187 m) |
| Sep 18, 11:00 PM | 9 C (49 F) | 67% | 1017 hPa (30.03" Hg) | -707 ft (-215 m) |
< 1,000 ftExcellent
1,000 - 2,500 ftGood
2,500 - 3,500 ftModerate
> 3,500 ftChallenging
Historical Weather
Historical weather data is available from 2017 onward.
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