| Current Weather Conditions | Saint Catharines Airport, Canada |
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| (CYSN) 43-12N 079-10W | ||
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| Conditions at | ||
| Wind | from the S (190 degrees) at 18 MPH (16 KT) | |
| Visibility | 15 mile(s) | |
| Sky conditions | mostly cloudy | |
| Temperature | 69 F (21 C) | |
| Dew Point | 46 F (8 C) | |
| Relative Humidity | 43% | |
| Pressure (altimeter) | 29.87 in. Hg (1011 hPa) | |
| Pressure tendency | falling rapidly | |
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24 Hour Summary |
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| Time EDT (UTC) |
Temperature F (C) |
Dew Point F (C) |
Pressure Inches (hPa) |
Wind MPH |
Weather | ||
| Latest | 11 AM (15) May 16 | 69 (21) | 46 (8) | 29.87 (1011) | S 18 | ||
| 10 AM (14) May 16 | 66 (19) | 46 (8) | 29.93 (1013) | SSW 17 | |||
| 9 AM (13) May 16 | 62 (17) | 46 (8) | 29.96 (1014) | SSW 17 | |||
| 8 AM (12) May 16 | 59 (15) | 44 (7) | 29.98 (1015) | SSW 9 | |||
| 7 AM (11) May 16 | 53 (12) | 44 (7) | 29.96 (1014) | S 7 | |||
| 6 AM (10) | No Data | ||||||
| 5 AM (9) | No Data | ||||||
| 4 AM (8) | No Data | ||||||
| 3 AM (7) | No Data | ||||||
| 2 AM (6) | No Data | ||||||
| 1 AM (5) | No Data | ||||||
| Midnight (4) | No Data | ||||||
| 11 PM (3) | No Data | ||||||
| 10 PM (2) | No Data | ||||||
| 9 PM (1) May 15 | 53 (12) | 37 (3) | 29.97 (1014) | SSW 9 | |||
| 8 PM (0) May 15 | 59 (15) | 35 (2) | 29.98 (1015) | SSW 13 | |||
| 7 PM (23) May 15 | 62 (17) | 41 (5) | 29.97 (1014) | SW 14 | |||
| 6 PM (22) May 15 | 64 (18) | 41 (5) | 29.97 (1014) | SW 15 | |||
| 5 PM (21) May 15 | 62 (17) | 41 (5) | 29.98 (1015) | SW 18 | |||
| 4 PM (20) May 15 | 62 (17) | 41 (5) | 29.98 (1015) | SW 17 | |||
| 3 PM (19) May 15 | 66 (19) | 41 (5) | 29.98 (1015) | WSW 6 | |||
| 2 PM (18) May 15 | 66 (19) | 37 (3) | 29.99 (1015) | NW 7 | |||
| 1 PM (17) May 15 | 66 (19) | 39 (4) | 30 (1015) | NW 7 | |||
| Oldest | Noon (16) May 15 | 62 (17) | 41 (5) | 30 (1015) | WNW 8 | ||
| Time EDT (UTC) |
Temperature F(C) |
Dew Point F(C) |
Pressure Inches(hPa) |
Wind (MPH) |
Weather | ||
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