Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 20MAY 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 05/20 00Z 71 41 287 9 0.00 0.00 564 576 14.6 -14.0 1014.6 0 CLR CLR CLR **** **** 15.0 0.0 0.438 20.2 3 05/20 03Z 63 42 270 4 0.00 0.00 564 577 14.5 -13.8 1014.6 0 CLR CLR CLR 71 63 15.0 0.0 0.440 20.2 6 05/20 06Z 57 45 215 3 0.00 0.00 564 577 14.8 -14.1 1015.3 0 CLR CLR CLR 71 57 15.0 0.0 0.448 20.6 9 05/20 09Z 55 45 259 2 0.00 0.00 564 576 15.0 -14.3 1015.0 7 CLR CLR 369FEW408 57 55 15.0 0.0 0.480 20.9 12 05/20 12Z 54 46 216 1 0.00 0.00 563 575 15.3 -14.4 1014.5 18 CLR CLR 348FEW410 57 54 15.0 0.0 0.513 21.0 15 05/20 15Z 60 46 285 1 0.00 0.00 563 575 15.4 -14.2 1014.6 44 CLR CLR 309SCT426 60 53 15.0 0.0 0.538 20.4 18 05/20 18Z 70 47 296 5 0.00 0.00 563 575 15.5 -14.0 1014.1 37 CLR CLR 311SCT408 70 53 15.2 0.0 0.563 19.9 21 05/20 21Z 73 47 297 9 0.00 0.00 564 575 16.0 -14.3 1012.8 15 CLR 221FEW240 266FEW320 73 70 15.1 0.0 0.564 20.8 24 05/21 00Z 68 47 298 8 0.00 0.00 565 575 16.6 -13.6 1011.5 11 CLR 209FEW229 264FEW311 74 66 15.1 0.0 0.546 21.4 27 05/21 03Z 58 47 295 5 0.00 0.00 566 576 16.9 -12.4 1011.5 0 CLR CLR CLR 68 58 15.0 0.0 0.554 21.5 30 05/21 06Z 54 47 271 3 0.00 0.00 567 577 17.3 -10.5 1011.8 1 CLR CLR 339FEW360 68 54 15.1 0.0 0.509 21.5 33 05/21 09Z 53 47 254 2 0.00 0.00 567 577 17.4 -9.6 1011.6 9 CLR CLR 363FEW385 54 53 15.1 0.0 0.528 21.4 36 05/21 12Z 52 47 221 2 0.00 0.00 568 577 17.4 -9.5 1011.0 13 CLR CLR 359FEW385 54 52 15.1 0.0 0.523 21.4 39 05/21 15Z 58 47 273 2 0.00 0.00 568 578 17.3 -10.0 1012.2 15 CLR CLR 343FEW393 58 52 15.0 0.0 0.556 20.7 42 05/21 18Z 68 49 292 5 0.00 0.00 568 578 17.2 -9.9 1011.8 24 CLR CLR 376FEW427 68 51 15.2 0.0 0.578 20.5 45 05/21 21Z 71 49 295 8 0.00 0.00 569 578 17.5 -10.0 1010.9 6 CLR CLR 402FEW431 72 68 13.2 0.0 0.552 22.0 48 05/22 00Z 66 49 301 9 0.00 0.00 570 578 18.1 -10.1 1009.7 7 CLR CLR 400FEW429 72 65 13.2 0.0 0.533 22.8 51 05/22 03Z 57 49 303 5 0.00 0.00 569 578 18.2 -10.2 1010.1 5 CLR CLR 444FEW435 66 57 15.1 0.0 0.540 21.9 54 05/22 06Z 54 49 286 2 0.00 0.00 569 577 18.3 -10.7 1010.1 3 CLR CLR 444FEW433 66 54 15.0 0.0 0.518 21.1 57 05/22 09Z 53 49 290 3 0.00 0.00 568 576 18.2 -11.0 1009.3 0 CLR CLR CLR 54 53 15.1 0.0 0.518 20.4 60 05/22 12Z 52 48 290 2 0.00 0.00 567 575 18.0 -11.5 1009.2 12 CLR CLR 408FEW443 54 52 15.0 0.0 0.539 19.9 63 05/22 15Z 57 49 286 3 0.00 0.00 567 575 17.8 -11.1 1009.9 50 CLR CLR 396SCT456 57 51 15.0 0.0 0.553 19.3 66 05/22 18Z 67 49 295 5 0.00 0.00 567 575 17.1 -11.5 1009.5 28 CLR CLR 401SCT455 67 51 15.1 0.0 0.543 18.8 69 05/22 21Z 69 50 298 9 0.00 0.00 568 576 17.3 -11.4 1009.0 5 CLR CLR 435FEW447 70 67 15.0 0.0 0.523 20.5 72 05/23 00Z 65 50 298 10 0.00 0.00 568 575 17.8 -11.0 1008.1 4 CLR CLR 439FEW451 70 64 15.2 0.0 0.485 20.6 75 05/23 03Z 57 51 301 7 0.00 0.00 568 576 17.6 -10.5 1009.3 3 CLR CLR 444FEW457 65 57 15.1 0.0 0.530 20.0 78 05/23 06Z 53 50 296 2 0.00 0.00 567 576 17.7 -10.0 1010.7 4 CLR CLR 445FEW457 65 54 13.5 0.0 0.544 18.2 81 05/23 09Z 52 49 232 1 0.00 0.00 566 575 17.5 -10.4 1010.8 0 CLR CLR CLR 53 52 15.1 0.0 0.561 15.2 84 05/23 12Z 51 49 193 2 0.00 0.00 565 575 16.9 -11.1 1011.7 3 CLR CLR 424FEW441 53 51 15.0 0.0 0.588 12.8 87 05/23 15Z 55 48 195 4 0.00 0.00 565 576 16.1 -11.0 1013.5 42 013SCT018 CLR 419FEW446 55 51 15.0 0.0 0.574 12.1 90 05/23 18Z 62 49 268 5 0.00 0.00 565 577 15.8 -11.3 1013.8 26 014FEW019 CLR 419FEW446 62 51 15.0 0.0 0.578 10.9 93 05/23 21Z 64 49 274 11 0.00 0.00 566 577 15.6 -11.5 1014.0 0 CLR CLR CLR 65 62 15.0 0.0 0.582 13.2 96 05/24 00Z 59 48 284 10 0.00 0.00 565 577 15.7 -11.7 1014.1 0 CLR CLR 408FEW420 65 59 15.0 0.0 0.523 16.3 99 05/24 03Z 54 48 286 6 0.00 0.00 565 577 16.4 -11.8 1014.7 4 CLR CLR 403FEW432 59 54 15.0 0.0 0.485 16.1 102 05/24 06Z 51 48 278 3 0.00 0.00 565 578 16.7 -11.0 1016.0 7 CLR CLR 382FEW425 59 51 13.5 0.0 0.470 13.7 105 05/24 09Z 50 48 276 3 0.00 0.00 564 577 16.2 -10.5 1015.6 17 012FEW015 CLR 361FEW428 51 50 13.5 0.0 0.440 14.4 108 05/24 12Z 49 46 277 3 0.00 0.00 564 577 15.6 -10.5 1015.6 19 012FEW015 CLR 354FEW429 51 49 13.5 0.0 0.408 14.8 111 05/24 15Z 54 47 272 3 0.00 0.00 564 578 15.4 -10.9 1016.7 45 FEW CLR 350SCT426 54 49 15.0 0.0 0.411 14.3 114 05/24 18Z 61 47 289 6 0.00 0.00 564 578 15.3 -11.3 1016.8 31 FEW CLR 351SCT425 61 49 15.0 0.0 0.429 13.2 117 05/24 21Z 64 47 293 10 0.00 0.00 565 579 15.5 -11.0 1016.2 9 CLR CLR 351FEW419 64 61 15.0 0.0 0.427 15.3 120 05/25 00Z 61 47 288 10 0.00 0.00 566 579 15.9 -10.6 1015.3 9 CLR CLR 351FEW419 64 60 15.0 0.0 0.395 16.6 123 05/25 03Z 55 48 292 7 0.00 0.00 565 578 15.8 -10.9 1015.7 9 CLR CLR 353FEW406 61 55 15.0 0.0 0.391 16.3 126 05/25 06Z 52 49 281 5 0.00 0.00 565 579 15.9 -11.1 1016.5 10 CLR CLR 359FEW406 61 52 13.5 0.0 0.453 15.5 129 05/25 09Z 50 48 268 3 0.00 0.00 564 577 16.1 -11.1 1015.7 13 FEW CLR 366FEW396 52 51 13.4 0.0 0.417 14.4 132 05/25 12Z 49 47 269 2 0.00 0.00 564 576 15.6 -11.4 1015.2 20 FEW CLR 354FEW402 52 50 13.5 0.0 0.372 13.1 135 05/25 15Z 54 49 272 4 0.00 0.00 563 576 15.0 -11.6 1015.7 9 010FEW016 CLR 355FEW376 54 49 15.0 0.0 0.389 11.7 138 05/25 18Z 61 48 285 6 0.00 0.00 564 576 14.5 -10.9 1015.2 10 011FEW019 CLR 355FEW374 61 49 15.0 0.0 0.379 12.0 141 05/25 21Z 61 47 281 11 0.00 0.00 564 577 14.6 -10.4 1014.7 1 CLR CLR 350FEW372 63 60 15.0 0.0 0.362 12.7 144 05/26 00Z 59 47 277 10 0.00 0.00 565 576 14.8 -10.1 1013.7 16 CLR CLR 338FEW379 63 59 15.0 0.0 0.357 13.8 147 05/26 03Z 54 49 263 7 0.00 0.00 565 576 13.9 -9.7 1013.9 95 CLR CLR 322BKN393 59 54 15.0 0.0 0.419 12.9 150 05/26 06Z 51 47 238 6 0.00 0.00 565 577 13.4 -8.8 1013.8 87 CLR CLR 324BKN409 59 51 15.0 0.0 0.423 14.1 153 05/26 09Z 51 50 254 8 0.00 0.00 564 576 11.4 -8.6 1013.4 76 010FEW013 CLR 357BKN434 51 51 15.0 0.0 0.556 12.2 156 05/26 12Z 51 48 250 9 0.00 0.00 563 575 9.9 -9.0 1013.7 88 004BKN017 CLR 358SCT437 53 50 15.1 0.0 0.890 9.7 159 05/26 15Z 52 45 256 9 0.00 0.00 563 575 10.2 -9.2 1014.3 91 009BKN018 CLR 384SCT441 52 51 15.0 0.0 0.338 7.4 162 05/26 18Z 58 44 249 9 0.00 0.00 563 575 10.2 -9.5 1013.5 56 010SCT018 CLR 386FEW440 58 51 15.0 0.0 0.385 7.8 165 05/26 21Z 62 45 253 12 0.00 0.00 564 575 11.9 -9.2 1012.5 3 CLR CLR 402FEW418 62 58 15.0 0.0 0.415 10.3 168 05/27 00Z 59 46 262 11 0.00 0.00 565 575 10.6 -8.8 1011.8 2 CLR CLR 400FEW416 62 58 15.0 0.0 0.427 12.6