Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 20MAR 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 03/20 12Z 63 57 71 1 0.00 0.00 575 588 22.8 -9.5 1015.1 0 CLR CLR CLR **** **** 15.0 0.0 0.578 24.5 3 03/20 15Z 63 58 69 2 0.00 0.00 575 588 22.8 -10.0 1015.3 0 CLR CLR CLR 63 62 15.0 0.0 0.544 24.5 6 03/20 18Z 75 56 2 2 0.00 0.00 575 588 22.6 -9.6 1014.8 0 CLR CLR CLR 75 62 15.0 0.0 0.488 24.4 9 03/20 21Z 80 55 336 3 0.00 0.00 575 587 22.3 -9.7 1013.1 0 CLR CLR CLR 81 75 15.0 0.0 0.486 24.2 12 03/21 00Z 79 53 298 7 0.00 0.00 575 585 21.9 -9.8 1011.2 0 CLR CLR CLR 82 75 15.0 0.0 0.506 24.5 15 03/21 03Z 64 52 316 4 0.00 0.00 574 584 20.8 -10.0 1011.9 0 CLR CLR CLR 79 64 15.0 0.0 0.575 24.3 18 03/21 06Z 62 50 267 2 0.00 0.00 572 583 20.5 -10.2 1012.9 2 CLR CLR 359FEW387 79 62 15.0 0.0 0.541 24.1 21 03/21 09Z 59 49 254 2 0.00 0.00 571 582 20.2 -10.8 1012.8 99 CLR CLR 315OVC386 62 59 15.0 0.0 0.523 23.6 24 03/21 12Z 56 51 261 3 0.00 0.00 569 580 19.4 -10.4 1012.9 99 CLR CLR 296OVC388 62 56 15.0 0.0 0.540 21.8 27 03/21 15Z 56 51 208 1 0.00 0.00 568 580 18.7 -11.1 1014.1 100 CLR CLR 298OVC365 57 55 14.9 0.0 0.482 19.9 30 03/21 18Z 65 51 286 5 0.00 0.00 568 581 18.1 -11.1 1015.5 100 CLR CLR 294OVC377 65 55 15.0 0.0 0.526 19.3 33 03/21 21Z 68 52 271 7 0.00 0.00 568 580 17.4 -11.3 1015.1 100 CLR CLR 296OVC397 69 65 15.2 0.0 0.569 19.4 36 03/22 00Z 64 51 236 5 0.00 0.00 568 580 17.0 -11.1 1014.3 100 CLR CLR 299OVC392 69 64 15.0 0.0 0.640 19.2 39 03/22 03Z 56 48 208 4 0.00 0.00 567 580 16.7 -11.6 1014.9 78 CLR CLR 299BKN340 64 56 15.0 0.0 0.586 19.9 42 03/22 06Z 53 46 208 4 0.00 0.00 567 580 16.9 -11.4 1015.6 41 CLR CLR 300SCT341 64 53 15.0 0.0 0.391 18.5 45 03/22 09Z 50 46 187 4 0.00 0.00 567 579 16.5 -11.4 1015.2 0 CLR CLR CLR 53 50 15.0 0.0 0.273 18.3 48 03/22 12Z 49 45 159 4 0.00 0.00 566 578 15.4 -11.3 1014.5 43 CLR CLR 311SCT368 53 49 15.0 0.0 0.393 17.1 51 03/22 15Z 52 45 207 1 0.00 0.00 566 578 14.6 -11.5 1014.9 100 CLR 227SCT245 252OVC380 52 49 15.0 0.0 0.566 17.1 54 03/22 18Z 63 48 286 4 0.00 0.00 565 579 14.4 -10.9 1015.5 70 CLR 219SCT245 254BKN376 63 49 15.0 0.0 0.593 17.2 57 03/22 21Z 66 50 294 7 0.00 0.00 566 578 15.3 -10.4 1014.2 0 CLR CLR CLR 67 63 15.0 0.0 0.555 17.9 60 03/23 00Z 60 49 280 8 0.00 0.00 567 578 15.8 -9.7 1013.5 16 CLR CLR 265FEW340 67 59 15.0 0.0 0.687 18.0 63 03/23 03Z 52 46 242 5 0.00 0.00 566 579 15.9 -9.6 1015.0 14 CLR CLR 246FEW288 60 52 15.0 0.0 0.633 17.9 66 03/23 06Z 50 45 208 4 0.00 0.00 566 579 15.7 -9.5 1015.9 34 CLR 217FEW241 281SCT339 60 50 15.0 0.0 0.703 17.6 69 03/23 09Z 50 45 239 5 0.00 0.00 566 579 14.3 -9.1 1016.9 93 CLR 211SCT246 297BKN378 51 50 15.0 0.0 0.689 15.1 72 03/23 12Z 49 46 238 4 0.00 0.00 566 579 13.8 -9.2 1016.6 91 014FEW019 195FEW246 292BKN374 51 49 15.0 0.0 0.760 15.7 75 03/23 15Z 50 47 192 4 0.00 0.00 566 580 13.6 -8.3 1017.1 86 012SCT017 177FEW246 322BKN410 51 49 15.0 0.0 0.812 15.9 78 03/23 18Z 58 46 230 4 0.00 0.00 567 582 13.5 -8.0 1017.9 81 012FEW017 178FEW247 325BKN404 58 49 15.0 0.0 0.803 15.8 81 03/23 21Z 62 45 273 6 0.00 0.00 567 582 13.0 -8.0 1017.3 56 CLR 218FEW227 339BKN404 62 58 15.0 0.0 0.886 15.1 84 03/24 00Z 59 44 284 6 0.00 0.00 567 581 13.7 -8.3 1017.1 51 CLR CLR 348SCT390 62 58 15.0 0.0 0.878 15.3 87 03/24 03Z 53 44 275 3 0.00 0.00 567 582 14.2 -8.4 1017.7 42 CLR CLR 359SCT400 59 53 15.0 0.0 0.779 15.5 90 03/24 06Z 51 45 204 2 0.00 0.00 567 582 14.3 -8.1 1018.1 28 CLR CLR 362SCT399 59 51 15.0 0.0 0.660 16.4 93 03/24 09Z 50 45 183 4 0.00 0.00 567 582 14.0 -7.0 1018.0 76 CLR CLR 366BKN411 51 50 15.0 0.0 0.507 16.2 96 03/24 12Z 49 44 209 1 0.00 0.00 566 581 13.9 -7.8 1017.9 50 CLR CLR 366SCT410 51 49 15.0 0.0 0.445 16.1 99 03/24 15Z 52 44 265 1 0.00 0.00 566 581 13.7 -9.1 1018.6 4 CLR CLR 380FEW393 52 49 15.0 0.0 0.423 15.3 102 03/24 18Z 62 43 281 3 0.00 0.00 566 582 13.8 -8.1 1019.1 5 CLR CLR 379FEW402 62 49 15.0 0.0 0.401 15.6 105 03/24 21Z 67 41 287 5 0.00 0.00 566 581 13.2 -8.7 1017.9 3 CLR CLR 380FEW395 67 62 15.0 0.0 0.406 16.1 108 03/25 00Z 64 40 284 7 0.00 0.00 566 581 13.1 -9.2 1017.0 3 CLR CLR 382FEW396 68 62 15.0 0.0 0.462 15.7 111 03/25 03Z 55 42 291 6 0.00 0.00 565 581 12.8 -9.4 1018.3 2 CLR CLR 388FEW410 64 55 15.0 0.0 0.520 15.0 114 03/25 06Z 52 46 272 2 0.00 0.00 565 581 13.5 -10.1 1019.1 4 CLR CLR 376FEW399 64 52 15.0 0.0 0.547 14.6 117 03/25 09Z 52 48 186 1 0.00 0.00 564 580 12.9 -11.0 1019.1 11 CLR CLR 372FEW397 53 52 15.0 0.0 0.829 14.4 120 03/25 12Z 52 50 241 2 0.00 0.00 563 579 11.5 -11.7 1019.5 8 CLR CLR 369FEW393 53 52 15.0 0.0 0.941 12.7 123 03/25 15Z 53 52 232 3 0.00 0.00 562 579 10.8 -10.7 1020.5 3 FEW CLR 383FEW398 54 52 14.5 0.0 0.957 13.2 126 03/25 18Z 61 51 262 5 0.00 0.00 562 579 10.8 -10.3 1020.8 19 000FEW013 CLR 373FEW390 61 51 15.0 0.0 0.757 13.3 129 03/25 21Z 64 45 269 9 0.00 0.00 562 579 11.0 -10.0 1019.8 10 CLR CLR 356FEW378 64 61 15.0 0.0 0.516 12.2 132 03/26 00Z 60 42 271 11 0.00 0.00 562 578 11.6 -10.2 1018.5 10 CLR CLR 366FEW391 64 60 15.0 0.0 0.352 13.7 135 03/26 03Z 51 43 227 4 0.00 0.00 562 578 13.1 -10.7 1018.6 21 CLR CLR 371FEW415 60 51 15.0 0.0 0.357 13.2 138 03/26 06Z 49 42 193 3 0.00 0.00 562 577 13.5 -11.0 1018.1 16 CLR CLR 367FEW405 60 49 15.0 0.0 0.290 13.7 141 03/26 09Z 48 42 206 1 0.00 0.00 562 577 12.6 -11.3 1017.4 54 CLR CLR 357BKN392 49 48 15.0 0.0 0.355 13.4 144 03/26 12Z 48 41 357 2 0.00 0.00 562 575 12.1 -11.6 1016.5 76 CLR CLR 337BKN402 49 48 15.0 0.0 0.373 12.3 147 03/26 15Z 51 40 346 2 0.00 0.00 561 575 11.2 -12.0 1017.4 100 CLR CLR 321OVC407 51 48 15.0 0.0 0.383 12.0 150 03/26 18Z 60 39 303 5 0.00 0.00 561 575 10.9 -12.4 1017.5 100 CLR CLR 313OVC392 60 48 15.0 0.0 0.384 11.7 153 03/26 21Z 62 40 286 8 0.00 0.00 561 575 11.7 -13.0 1016.3 98 CLR CLR 305OVC390 62 60 15.0 0.0 0.387 12.1 156 03/27 00Z 58 43 267 7 0.00 0.00 560 574 12.1 -13.4 1015.6 99 CLR CLR 303OVC392 63 57 15.0 0.0 0.390 13.3 159 03/27 03Z 52 43 223 5 0.00 0.00 560 573 12.1 -13.5 1016.3 100 CLR 224SCT243 253OVC394 58 52 15.0 0.0 0.421 13.3 162 03/27 06Z 50 43 200 4 0.00 0.00 559 573 11.9 -13.3 1017.0 95 CLR 210SCT243 250BKN379 58 50 15.0 0.0 0.513 13.1 165 03/27 09Z 48 42 195 4 0.00 0.00 558 572 11.5 -12.5 1017.4 16 CLR 200FEW222 302FEW336 50 48 15.0 0.0 0.431 12.3 168 03/27 12Z 46 41 174 3 0.00 0.00 558 572 11.4 -12.5 1016.6 16 CLR 200FEW221 297FEW329 50 46 15.0 0.0 0.344 12.1