Station ID: KOAK Lat: 37.71 Long: -122.23 NAM Model Run: 0Z 18MAY 2026 Cloud base and tops are now agl HR Valid 2m Tmp 2m Dpt 10m Dir 10m Spd TPrcp CPrcp 1000-500 500mb 850mb 500mb MSLP TCC PRS WX Tot Snowfall Vis Deg F Deg F deg kt in. in. Thk GPH Tmp Tmp mb % TEXT Clouds in SM 0 05/18 00Z 73 38 353 14 0.00 0.00 561 569 8.2 -9.3 1009 0 CLR 0.0 15.0 3 05/18 03Z 67 34 351 15 0.00 0.00 560 569 8.0 -9.4 1009 0 CLR 0.0 15.0 6 05/18 06Z 62 32 354 13 0.00 0.00 560 569 8.5 -9.5 1011 0 CLR 0.0 15.0 9 05/18 09Z 60 29 357 12 0.00 0.00 559 569 7.9 -9.8 1011 0 CLR 0.0 15.0 12 05/18 12Z 58 29 7 12 0.00 0.00 558 568 8.0 -11.1 1012 0 CLR 0.0 15.0 15 05/18 15Z 60 34 14 10 0.00 0.00 557 569 9.7 -14.0 1013 0 CLR 0.0 15.0 18 05/18 18Z 69 36 18 12 0.00 0.00 557 569 9.8 -14.7 1014 0 CLR 0.0 15.0 21 05/18 21Z 74 36 357 9 0.00 0.00 557 569 9.9 -16.3 1014 0 CLR 0.0 15.0 24 05/19 00Z 75 39 324 9 0.00 0.00 557 569 10.8 -17.2 1013 0 CLR 0.0 15.0 27 05/19 03Z 65 49 289 5 0.00 0.00 558 570 11.8 -16.9 1014 2 237FEW240 0.0 14.4 30 05/19 06Z 57 52 236 3 0.00 0.00 558 571 12.8 -16.7 1015 3 000FEW002 0.0 14.5 33 05/19 09Z 52 51 229 3 0.00 0.00 558 571 13.3 -16.0 1015 26 157SCT161 0.0 8.1 36 05/19 12Z 49 49 198 1 0.00 0.00 558 571 13.5 -15.6 1015 48 127SCT131 0.0 2.0 39 05/19 15Z 53 48 17 0 0.00 0.00 559 573 13.2 -15.1 1016 64 000BKN000 0.0 12.6 42 05/19 18Z 70 46 6 5 0.00 0.00 560 574 13.5 -14.3 1016 41 015SCT016 0.0 14.3 45 05/19 21Z 78 46 332 6 0.00 0.00 562 576 13.3 -13.1 1016 4 294FEW296 0.0 14.5 48 05/20 00Z 76 51 295 7 0.00 0.00 564 577 14.0 -13.2 1014 4 237FEW239 0.0 14.5 51 05/20 03Z 65 52 267 4 0.00 0.00 564 577 14.5 -13.8 1015 5 238FEW239 0.0 14.5 54 05/20 06Z 58 52 221 3 0.00 0.00 564 577 14.2 -14.0 1016 6 238FEW242 0.0 13.7 57 05/20 09Z 54 51 214 4 0.00 0.00 564 577 14.5 -13.5 1015 23 000FEW023 0.0 12.8 60 05/20 12Z 51 49 218 4 0.00 0.00 563 576 15.1 -13.7 1015 46 250SCT242 0.0 7.4 63 05/20 15Z 51 49 213 3 0.00 0.00 563 576 15.5 -14.1 1015 87 000BKN011 0.0 3.4 66 05/20 18Z 63 51 243 5 0.00 0.00 563 576 15.6 -14.3 1015 65 000BKN005 0.0 12.7 69 05/20 21Z 68 53 250 8 0.00 0.00 564 576 15.8 -13.9 1014 23 000FEW006 0.0 12.7 72 05/21 00Z 65 52 245 8 0.00 0.00 565 576 16.3 -12.7 1012 23 000FEW006 0.0 12.7 75 05/21 03Z 56 51 229 7 0.00 0.00 565 575 16.6 -11.8 1012 23 000FEW086 0.0 12.8 78 05/21 06Z 52 50 215 6 0.00 0.00 565 576 16.6 -10.7 1013 44 002SCT009 0.0 3.3 81 05/21 09Z 51 49 217 5 0.00 0.00 567 577 16.8 -10.4 1012 84 002BKN010 0.0 4.5 84 05/21 12Z 50 48 215 4 0.00 0.00 567 577 16.8 -10.5 1011 83 002BKN010 0.0 4.3