Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 21MAY 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 05/21 00Z 67 48 294 8 0.00 0.00 565 575 16.3 -13.1 1012.0 3 000FEW000 CLR CLR **** **** 13.4 0.0 0.521 21.7 3 05/21 03Z 58 48 296 6 0.00 0.00 566 576 16.8 -11.8 1011.6 0 CLR CLR CLR 67 58 13.4 0.0 0.518 22.0 6 05/21 06Z 53 48 255 2 0.00 0.00 567 577 16.8 -10.6 1012.5 1 CLR CLR 339FEW357 68 53 15.2 0.0 0.527 21.6 9 05/21 09Z 53 47 288 1 0.00 0.00 567 577 17.0 -9.6 1012.0 7 CLR CLR 335FEW361 54 53 15.1 0.0 0.518 21.8 12 05/21 12Z 52 47 308 4 0.00 0.00 567 577 16.9 -9.7 1011.4 9 CLR CLR 331FEW368 54 52 15.0 0.0 0.535 21.5 15 05/21 15Z 59 48 303 2 0.00 0.00 568 578 16.6 -9.9 1012.1 17 CLR CLR 338FEW390 59 52 15.0 0.0 0.546 21.1 18 05/21 18Z 68 49 299 6 0.00 0.00 568 578 16.7 -10.0 1011.7 15 CLR CLR 360FEW405 69 51 14.8 0.0 0.570 21.1 21 05/21 21Z 72 49 296 9 0.00 0.00 569 578 17.0 -10.3 1010.7 14 CLR CLR 427FEW459 73 69 15.1 0.0 0.568 22.0 24 05/22 00Z 66 48 295 9 0.00 0.00 569 578 17.6 -10.1 1009.7 18 CLR CLR 421FEW448 73 65 13.3 0.0 0.508 22.6 27 05/22 03Z 57 49 297 6 0.00 0.00 569 577 17.8 -10.6 1009.9 5 CLR CLR 439FEW420 66 57 13.4 0.0 0.513 21.8 30 05/22 06Z 53 49 287 3 0.00 0.00 568 577 17.7 -11.0 1010.1 1 CLR CLR 438FEW412 66 53 13.3 0.0 0.497 20.7 33 05/22 09Z 52 49 294 4 0.00 0.00 568 575 17.9 -11.1 1009.2 0 CLR CLR CLR 53 52 15.0 0.0 0.499 19.5 36 05/22 12Z 51 48 291 2 0.00 0.00 567 574 17.7 -11.0 1009.1 0 CLR CLR 415FEW437 53 51 14.7 0.0 0.520 18.8 39 05/22 15Z 56 49 288 2 0.00 0.00 566 574 17.1 -11.4 1009.9 14 CLR CLR 401FEW444 56 50 15.0 0.0 0.522 18.3 42 05/22 18Z 66 49 295 4 0.00 0.00 567 575 16.7 -11.0 1009.3 8 CLR CLR 403FEW439 66 50 15.2 0.0 0.525 18.3 45 05/22 21Z 68 50 300 10 0.00 0.00 568 575 16.8 -10.5 1008.9 2 CLR CLR 373FEW391 70 65 15.0 0.0 0.542 19.8 48 05/23 00Z 65 50 298 11 0.00 0.00 568 575 17.1 -10.2 1008.6 0 CLR CLR 373FEW391 70 63 15.0 0.0 0.543 19.4 51 05/23 03Z 57 50 302 7 0.00 0.00 568 576 16.7 -10.2 1009.5 0 CLR CLR CLR 64 57 15.0 0.0 0.584 19.1 54 05/23 06Z 54 51 315 3 0.00 0.00 567 576 16.9 -10.2 1010.9 0 CLR CLR CLR 65 54 13.4 0.0 0.596 16.9 57 05/23 09Z 52 50 325 1 0.00 0.00 566 575 16.9 -10.1 1010.7 1 CLR CLR 373FEW385 54 52 13.6 0.0 0.584 15.4 60 05/23 12Z 51 49 125 0 0.00 0.00 565 575 16.4 -10.3 1011.4 0 CLR CLR CLR 53 51 15.1 0.0 0.591 13.4 63 05/23 15Z 56 49 177 2 0.00 0.00 565 576 15.8 -10.4 1012.8 0 CLR CLR 456FEW393 56 51 15.0 0.0 0.590 13.2 66 05/23 18Z 65 49 282 2 0.00 0.00 565 576 15.7 -10.5 1013.2 0 CLR CLR CLR 65 51 15.0 0.0 0.559 12.3 69 05/23 21Z 69 49 287 9 0.00 0.00 566 577 15.8 -10.3 1012.9 0 CLR CLR CLR 70 65 15.0 0.0 0.562 15.5 72 05/24 00Z 65 49 282 9 0.00 0.00 566 577 15.9 -10.1 1013.0 0 CLR CLR CLR 70 63 15.0 0.0 0.482 16.7 75 05/24 03Z 56 49 294 7 0.00 0.00 566 578 16.8 -10.1 1014.0 1 CLR CLR 307FEW318 65 56 15.0 0.0 0.449 17.6 78 05/24 06Z 52 48 286 4 0.00 0.00 565 578 16.5 -10.6 1016.0 5 CLR CLR 319FEW334 65 52 13.6 0.0 0.456 14.6 81 05/24 09Z 50 47 278 3 0.00 0.00 564 577 16.0 -11.1 1015.6 11 CLR CLR 340FEW364 52 51 14.5 0.0 0.435 14.0 84 05/24 12Z 49 46 258 2 0.00 0.00 564 577 15.6 -11.5 1015.6 11 CLR CLR 348FEW371 52 49 15.1 0.0 0.408 13.6 87 05/24 15Z 54 47 266 2 0.00 0.00 564 577 15.3 -11.9 1016.4 10 CLR CLR 360FEW387 54 49 15.0 0.0 0.398 13.3 90 05/24 18Z 61 47 288 7 0.00 0.00 564 578 15.0 -11.9 1016.6 13 CLR CLR 364FEW392 61 49 15.0 0.0 0.432 10.8 93 05/24 21Z 63 47 289 10 0.00 0.00 564 578 15.4 -11.7 1015.9 12 CLR CLR 349FEW370 64 61 15.0 0.0 0.447 13.3 96 05/25 00Z 61 47 284 10 0.00 0.00 565 577 15.6 -11.8 1014.9 18 CLR CLR 339FEW361 64 60 15.0 0.0 0.431 15.6 99 05/25 03Z 55 48 293 6 0.00 0.00 565 577 15.7 -11.7 1015.0 46 CLR CLR 378SCT401 61 55 15.0 0.0 0.397 15.8 102 05/25 06Z 52 48 275 4 0.00 0.00 564 577 15.8 -11.8 1015.6 27 CLR CLR 377SCT401 61 52 15.0 0.0 0.476 14.6 105 05/25 09Z 51 48 262 3 0.00 0.00 564 576 15.9 -11.4 1014.4 12 FEW CLR 358FEW376 52 51 15.0 0.0 0.471 13.2 108 05/25 12Z 50 47 264 2 0.00 0.00 563 575 15.2 -11.9 1014.3 10 CLR CLR 359FEW380 52 50 15.0 0.0 0.426 10.9 111 05/25 15Z 55 49 247 2 0.00 0.00 563 575 14.5 -12.2 1014.6 4 CLR CLR 387FEW407 55 49 15.0 0.0 0.429 11.8 114 05/25 18Z 61 49 284 6 0.00 0.00 564 576 14.2 -11.6 1014.1 5 013FEW017 CLR 389FEW407 61 49 15.0 0.0 0.443 11.3 117 05/25 21Z 61 48 281 12 0.00 0.00 564 576 14.4 -11.1 1013.4 1 CLR CLR 396FEW410 62 61 15.0 0.0 0.435 12.2 120 05/26 00Z 60 48 275 10 0.00 0.00 565 575 13.9 -9.6 1012.2 2 CLR CLR 360FEW386 62 59 15.0 0.0 0.417 13.3 123 05/26 03Z 54 47 258 8 0.00 0.00 565 575 13.0 -9.3 1012.0 100 CLR CLR 350OVC416 59 54 15.0 0.0 0.434 13.6 126 05/26 06Z 52 51 260 8 0.00 0.00 565 575 11.0 -8.7 1012.0 100 CLR CLR 347OVC424 59 52 15.1 0.0 0.571 12.3 129 05/26 09Z 53 50 259 10 0.00 0.00 564 574 9.5 -8.2 1011.3 100 004BKN014 CLR 386OVC443 54 51 14.7 0.0 0.828 10.8 132 05/26 12Z 50 47 260 8 0.00 0.00 563 572 8.7 -8.8 1010.7 79 006BKN015 CLR 384BKN441 54 50 15.0 0.0 0.431 8.2 135 05/26 15Z 53 47 248 4 0.00 0.00 563 572 8.5 -8.7 1011.6 45 011SCT017 CLR 326FEW378 53 49 15.0 0.0 0.483 7.3 138 05/26 18Z 62 47 226 2 0.00 0.00 563 573 8.6 -8.8 1011.3 31 012SCT018 CLR 338FEW386 62 49 15.0 0.0 0.525 9.2 141 05/26 21Z 65 47 274 8 0.00 0.00 565 573 8.2 -8.4 1010.0 2 FEW CLR CLR 66 61 11.2 0.0 0.568 13.4 144 05/27 00Z 63 47 284 10 0.00 0.00 566 573 11.4 -8.8 1009.1 2 FEW CLR CLR 67 60 15.0 0.0 0.577 15.3 147 05/27 03Z 58 46 238 4 0.00 0.00 566 574 13.2 -9.6 1008.7 0 CLR CLR CLR 64 57 15.0 0.0 0.535 16.1 150 05/27 06Z 53 47 198 5 0.00 0.00 566 574 13.7 -9.5 1009.0 0 CLR CLR CLR 64 53 15.1 0.0 0.599 17.2 153 05/27 09Z 52 48 178 4 0.00 0.00 566 573 14.4 -9.7 1008.5 0 CLR CLR CLR 53 52 15.0 0.0 0.576 17.9 156 05/27 12Z 51 47 163 3 0.00 0.00 565 572 14.6 -10.5 1008.6 0 CLR CLR CLR 53 51 15.0 0.0 0.557 18.2 159 05/27 15Z 58 48 205 1 0.00 0.00 564 572 14.5 -10.9 1010.1 5 CLR CLR 377FEW406 58 51 15.0 0.0 0.531 16.1 162 05/27 18Z 68 48 312 6 0.00 0.00 565 573 14.6 -10.7 1010.0 5 CLR CLR 381FEW409 68 51 15.1 0.0 0.478 16.1 165 05/27 21Z 71 48 292 9 0.00 0.00 567 575 14.7 -10.5 1009.1 49 FEW CLR 364SCT402 72 67 15.0 0.0 0.410 18.5 168 05/28 00Z 67 47 283 8 0.00 0.00 568 576 15.9 -9.1 1009.1 52 CLR CLR 359BKN408 73 64 15.1 0.0 0.407 19.9