Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 22MAY 2026 Clouds Bases 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 Low Middle High Max Min Sfc Snowfall PWAT 925mb Deg F Deg F deg kt in. in. Thk GPH Tmp Tmp mb % TEXT Clouds Clouds Clouds Tmp Tmp Vis in in Tmp 0 05/22 12Z 49 47 277 2 0.00 0.00 566 574 17.6 -11.4 1009.8 46 000FEW000 CLR 000SCT000 **** **** 14.7 0.0 0.499 19.8 3 05/22 15Z 54 48 282 3 0.00 0.00 566 574 17.3 -11.8 1010.4 30 005FEW008 CLR 418FEW443 54 49 14.9 0.0 0.492 18.9 6 05/22 18Z 64 49 299 5 0.00 0.00 566 575 17.0 -11.9 1010.1 20 005FEW008 CLR 421FEW445 64 49 15.0 0.0 0.492 18.5 9 05/22 21Z 67 49 300 9 0.00 0.00 567 575 17.2 -11.3 1009.4 0 CLR CLR FEW 68 64 15.2 0.0 0.490 19.9 12 05/23 00Z 63 50 297 11 0.00 0.00 567 575 17.2 -11.0 1008.9 1 CLR CLR 444FEW456 68 61 15.0 0.0 0.494 19.8 15 05/23 03Z 56 50 297 7 0.00 0.00 567 575 17.0 -10.5 1009.8 0 CLR CLR CLR 63 56 15.1 0.0 0.525 18.4 18 05/23 06Z 53 50 295 2 0.00 0.00 566 575 17.1 -10.1 1010.8 0 CLR CLR 385FEW397 63 53 13.4 0.0 0.546 16.9 21 05/23 09Z 52 49 282 1 0.00 0.00 566 575 17.1 -10.4 1010.7 3 CLR CLR 381FEW393 53 52 13.5 0.0 0.559 15.8 24 05/23 12Z 51 49 207 1 0.00 0.00 565 574 16.5 -10.8 1011.5 1 CLR CLR 406FEW418 53 51 15.1 0.0 0.589 14.4 27 05/23 15Z 55 49 180 2 0.00 0.00 564 575 16.0 -10.6 1012.7 4 CLR CLR 447FEW402 56 50 15.0 0.0 0.600 13.8 30 05/23 18Z 64 50 290 4 0.00 0.00 564 576 15.4 -10.8 1013.2 3 CLR CLR 447FEW403 64 50 15.0 0.0 0.581 11.8 33 05/23 21Z 66 50 285 9 0.00 0.00 565 576 16.2 -10.9 1013.3 1 CLR CLR 443FEW456 67 64 15.0 0.0 0.556 13.9 36 05/24 00Z 62 49 286 11 0.00 0.00 565 576 16.2 -10.8 1013.1 2 CLR CLR 402FEW414 67 61 15.0 0.0 0.509 15.7 39 05/24 03Z 56 49 297 8 0.00 0.00 565 577 16.7 -10.8 1013.9 6 CLR CLR 354FEW369 62 56 15.0 0.0 0.512 16.1 42 05/24 06Z 53 49 295 4 0.00 0.00 564 577 16.9 -11.1 1015.5 5 CLR CLR 372FEW386 62 53 15.0 0.0 0.531 13.7 45 05/24 09Z 51 49 295 3 0.00 0.00 564 576 16.3 -11.3 1015.3 7 CLR CLR 398FEW431 53 51 15.0 0.0 0.530 13.6 48 05/24 12Z 51 48 300 2 0.00 0.00 563 576 16.0 -11.8 1015.3 24 CLR CLR 385FEW425 52 51 15.0 0.0 0.555 12.7 51 05/24 15Z 55 49 286 2 0.00 0.00 563 576 15.3 -12.2 1016.2 49 CLR CLR 372SCT418 55 50 15.0 0.0 0.601 12.4 54 05/24 18Z 63 49 291 5 0.00 0.00 563 577 15.1 -11.9 1016.0 47 CLR CLR 372SCT418 63 50 15.0 0.0 0.640 11.2 57 05/24 21Z 65 50 286 11 0.00 0.00 564 577 15.7 -11.6 1015.4 7 CLR CLR 372FEW418 65 63 15.0 0.0 0.682 12.3 60 05/25 00Z 61 49 278 12 0.00 0.00 564 577 15.8 -12.0 1014.9 7 CLR CLR 372FEW418 65 60 15.0 0.0 0.666 12.2 63 05/25 03Z 55 48 286 8 0.00 0.00 564 577 15.6 -11.9 1015.4 7 CLR CLR 372FEW407 61 55 15.0 0.0 0.641 12.2 66 05/25 06Z 52 48 275 6 0.00 0.00 563 577 15.7 -11.8 1015.9 6 CLR CLR 373FEW407 61 52 15.0 0.0 0.642 11.6 69 05/25 09Z 51 47 270 4 0.00 0.00 563 575 15.5 -11.9 1015.1 2 FEW CLR CLR 52 51 15.0 0.0 0.602 9.3 72 05/25 12Z 50 47 265 5 0.00 0.00 562 575 14.9 -12.1 1014.8 10 016FEW023 CLR CLR 52 50 15.0 0.0 0.491 7.5 75 05/25 15Z 54 46 243 5 0.00 0.00 561 575 14.0 -12.3 1015.9 61 016BKN025 CLR CLR 54 50 15.0 0.0 0.495 6.3 78 05/25 18Z 60 47 277 8 0.00 0.00 562 575 13.4 -12.0 1015.6 39 017SCT025 CLR CLR 60 50 15.0 0.0 0.467 8.3 81 05/25 21Z 62 47 278 10 0.00 0.00 563 575 13.3 -11.8 1014.4 0 CLR CLR CLR 62 60 15.0 0.0 0.447 9.7 84 05/26 00Z 59 48 267 14 0.00 0.00 562 574 12.4 -10.8 1013.8 29 CLR CLR 309SCT368 62 58 15.0 0.0 0.513 8.1 87 05/26 03Z 55 49 255 11 0.00 0.00 563 574 12.2 -10.1 1013.1 42 023FEW025 CLR 346SCT390 59 55 15.0 0.0 0.504 7.8 90 05/26 06Z 52 50 252 7 0.00 0.00 562 573 9.9 -9.3 1013.7 68 016FEW020 CLR 347BKN414 59 52 15.0 0.0 0.547 8.3 93 05/26 09Z 51 49 233 6 0.00 0.00 560 571 9.0 -11.2 1012.8 60 009SCT014 CLR 319SCT372 52 51 15.0 0.0 0.669 8.2 96 05/26 12Z 52 49 258 8 0.01 0.00 558 568 6.2 -10.5 1012.6 73 011BKN043 CLR 316SCT368 53 51 14.6 0.0 0.580 7.9 99 05/26 15Z 53 46 278 10 0.00 0.00 556 567 5.7 -11.2 1013.2 68 009SCT016 CLR 316SCT391 53 50 15.0 0.0 0.428 6.6 102 05/26 18Z 58 45 271 14 0.00 0.00 556 567 6.5 -10.7 1012.9 52 009FEW016 CLR 321SCT386 58 50 15.0 0.0 0.424 7.2 105 05/26 21Z 60 45 272 16 0.00 0.00 556 567 5.5 -10.0 1012.1 13 CLR CLR 324FEW349 60 58 15.0 0.0 0.458 8.7 108 05/27 00Z 58 45 277 16 0.00 0.00 557 566 6.6 -10.1 1011.0 8 CLR CLR 332FEW353 60 58 15.0 0.0 0.467 9.3 111 05/27 03Z 53 47 281 12 0.00 0.00 556 565 6.3 -10.3 1010.6 0 CLR CLR CLR 59 53 15.0 0.0 0.487 10.2 114 05/27 06Z 50 48 276 10 0.00 0.00 555 563 6.6 -10.8 1010.6 1 FEW CLR CLR 59 50 15.0 0.0 0.487 9.4 117 05/27 09Z 50 46 288 4 0.00 0.00 552 561 5.5 -10.5 1010.4 8 FEW CLR CLR 50 50 15.0 0.0 0.622 7.6 120 05/27 12Z 49 45 225 1 0.00 0.00 551 560 6.1 -13.3 1010.7 13 065FEW072 CLR 307FEW329 50 49 15.0 0.0 0.600 9.2 123 05/27 15Z 54 46 253 2 0.00 0.00 548 558 6.4 -19.7 1011.8 0 CLR CLR CLR 54 48 15.0 0.0 0.538 9.6 126 05/27 18Z 61 43 309 6 0.00 0.00 549 559 7.1 -21.9 1011.4 0 CLR CLR CLR 62 48 15.0 0.0 0.502 10.5 129 05/27 21Z 63 46 274 12 0.00 0.00 552 561 7.8 -19.1 1010.6 0 CLR CLR CLR 66 61 15.0 0.0 0.505 11.7 132 05/28 00Z 61 45 259 8 0.00 0.00 552 560 9.1 -18.6 1009.3 37 CLR 166SCT225 238FEW248 65 60 15.0 0.0 0.565 11.9 135 05/28 03Z 55 47 199 5 0.00 0.00 555 562 10.5 -14.9 1009.4 36 CLR 142SCT192 CLR 61 55 15.0 0.0 0.567 13.4 138 05/28 06Z 51 48 178 5 0.00 0.00 555 564 10.6 -16.1 1009.8 19 CLR 142FEW192 CLR 61 51 13.6 0.0 0.678 14.3 141 05/28 09Z 51 47 162 6 0.00 0.00 556 564 10.6 -14.7 1009.5 4 098FEW104 CLR CLR 51 50 15.0 0.0 0.718 15.5 144 05/28 12Z 50 48 220 3 0.00 0.00 555 564 10.4 -14.5 1010.0 2 098FEW104 CLR CLR 51 50 15.0 0.0 0.773 15.0 147 05/28 15Z 55 48 170 4 0.00 0.00 556 565 10.0 -12.5 1011.2 4 090FEW107 CLR CLR 55 50 15.0 0.0 0.775 14.1 150 05/28 18Z 64 49 281 3 0.00 0.00 558 568 10.5 -12.6 1011.4 2 CLR CLR CLR 65 50 15.0 0.0 0.798 12.8 153 05/28 21Z 66 50 299 10 0.00 0.00 560 570 11.0 -12.5 1011.4 8 090FEW102 CLR 293FEW312 68 63 15.0 0.0 0.797 15.6 156 05/29 00Z 65 49 293 10 0.00 0.00 561 571 11.5 -12.1 1011.4 7 CLR CLR 288FEW313 68 63 15.0 0.0 0.828 16.4 159 05/29 03Z 56 49 282 6 0.00 0.00 562 572 12.7 -11.8 1012.8 6 CLR CLR 262FEW289 65 56 15.0 0.0 0.859 15.5 162 05/29 06Z 52 49 244 5 0.00 0.00 561 573 12.8 -11.6 1014.0 6 010FEW015 CLR 262FEW289 65 52 13.4 0.0 0.931 13.9 165 05/29 09Z 53 48 210 5 0.00 0.00 561 573 13.7 -12.1 1013.5 79 005BKN021 226FEW243 303FEW313 54 52 15.1 0.0 0.912 11.9 168 05/29 12Z 53 48 187 6 0.00 0.00 561 572 13.7 -13.1 1013.7 84 008BKN021 CLR 262FEW360 54 52 15.1 0.0 0.810 11.7