Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 27OCT 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 10/27 12Z 53 47 285 6 0.00 0.00 560 575 8.1 -12.4 1018.1 99 000FEW000 CLR 000OVC000 **** **** 15.0 0.0 0.429 8.0 3 10/27 15Z 52 49 286 5 0.00 0.00 559 574 7.4 -12.4 1018.0 70 FEW CLR 325BKN407 53 52 15.0 0.0 0.478 7.9 6 10/27 18Z 59 47 273 5 0.00 0.00 559 574 7.6 -13.1 1017.9 71 FEW CLR 293BKN379 59 52 15.0 0.0 0.531 7.9 9 10/27 21Z 61 45 260 7 0.00 0.00 559 573 8.6 -13.5 1016.4 80 CLR 230FEW241 303BKN371 62 59 15.0 0.0 0.558 9.5 12 10/28 00Z 60 47 274 11 0.00 0.00 558 572 8.8 -13.9 1015.8 58 CLR 229FEW241 304BKN372 62 59 15.0 0.0 0.426 10.0 15 10/28 03Z 55 49 288 3 0.00 0.00 558 572 8.4 -14.1 1016.1 31 CLR CLR 327SCT363 60 55 15.0 0.0 0.394 11.2 18 10/28 06Z 54 48 202 1 0.00 0.00 558 572 7.6 -14.1 1016.3 19 CLR CLR 331FEW364 60 54 15.0 0.0 0.425 10.8 21 10/28 09Z 53 48 148 3 0.00 0.00 558 571 7.2 -13.9 1016.0 8 CLR CLR 319FEW339 54 53 15.0 0.0 0.449 11.1 24 10/28 12Z 51 47 52 2 0.00 0.00 557 570 6.9 -13.9 1015.6 7 CLR CLR 308FEW328 54 51 15.0 0.0 0.442 10.5 27 10/28 15Z 51 45 35 2 0.00 0.00 557 570 7.4 -14.2 1016.3 52 CLR CLR 331BKN391 51 50 15.0 0.0 0.396 10.4 30 10/28 18Z 62 40 348 4 0.00 0.00 557 571 7.8 -14.6 1016.7 45 CLR CLR 340SCT398 62 50 15.0 0.0 0.359 10.4 33 10/28 21Z 66 41 319 6 0.00 0.00 559 571 8.6 -14.9 1014.8 82 CLR CLR 316BKN418 66 62 15.0 0.0 0.335 12.4 36 10/29 00Z 63 45 288 8 0.00 0.00 559 571 9.6 -15.3 1013.9 82 CLR CLR 315BKN421 67 62 15.0 0.0 0.340 13.1 39 10/29 03Z 55 47 285 4 0.00 0.00 559 571 10.1 -15.6 1014.5 94 CLR CLR 344BKN425 63 55 15.0 0.0 0.337 13.5 42 10/29 06Z 54 47 174 1 0.00 0.00 559 571 10.2 -15.7 1014.4 88 CLR 225FEW236 330BKN409 63 54 15.0 0.0 0.334 13.4 45 10/29 09Z 53 46 137 3 0.00 0.00 558 569 9.5 -15.9 1013.6 80 CLR 222SCT240 258BKN410 54 53 15.0 0.0 0.340 13.4 48 10/29 12Z 54 44 131 3 0.00 0.00 557 568 9.0 -16.1 1012.9 90 CLR 214BKN241 262BKN388 54 53 15.0 0.0 0.355 13.0 51 10/29 15Z 55 41 87 2 0.00 0.00 556 566 9.0 -18.5 1012.7 100 CLR 196OVC240 240OVC404 55 54 15.0 0.0 0.407 12.9 54 10/29 18Z 62 40 161 2 0.00 0.00 554 565 8.0 -16.5 1013.0 100 CLR 186OVC240 240OVC399 62 54 15.0 0.0 0.518 11.9 57 10/29 21Z 63 39 237 2 0.00 0.00 553 563 8.2 -16.4 1011.2 100 CLR 136OVC239 239OVC375 63 62 15.0 0.0 0.610 12.0 60 10/30 00Z 63 44 279 6 0.00 0.00 553 562 7.7 -16.7 1010.6 100 CLR 134OVC239 241BKN345 65 61 15.0 0.0 0.646 12.3 63 10/30 03Z 58 51 254 3 0.00 0.00 552 562 7.7 -17.0 1011.7 100 CLR 129OVC239 239BKN282 63 58 15.0 0.0 0.766 11.7 66 10/30 06Z 57 50 252 4 0.00 0.00 551 562 8.1 -17.1 1012.4 100 100FEW119 124OVC239 239BKN287 63 57 15.0 0.0 0.734 9.8 69 10/30 09Z 54 50 208 3 0.00 0.00 551 561 7.7 -17.6 1012.6 32 108FEW118 134SCT223 CLR 56 54 15.0 0.0 0.677 8.8 72 10/30 12Z 54 49 171 5 0.00 0.00 550 561 7.4 -18.2 1012.5 47 107FEW117 160SCT219 312FEW336 56 53 15.0 0.0 0.538 8.4 75 10/30 15Z 53 49 150 5 0.00 0.00 550 561 7.1 -18.4 1013.7 55 CLR 168FEW183 364BKN398 53 53 15.0 0.0 0.486 8.3 78 10/30 18Z 60 47 183 3 0.00 0.00 550 562 6.6 -18.5 1014.5 31 CLR 169FEW184 365SCT398 60 52 15.0 0.0 0.491 8.6 81 10/30 21Z 63 45 282 7 0.00 0.00 551 562 7.1 -17.8 1013.3 6 CLR CLR 380FEW404 63 60 15.0 0.0 0.451 10.5 84 10/31 00Z 60 45 277 8 0.00 0.00 551 562 7.0 -17.6 1013.3 13 CLR CLR 363FEW401 63 59 15.0 0.0 0.451 10.9 87 10/31 03Z 54 45 291 7 0.00 0.00 551 563 7.1 -17.9 1014.4 72 CLR CLR 353BKN398 60 54 15.0 0.0 0.450 10.6 90 10/31 06Z 53 43 258 4 0.00 0.00 551 563 7.1 -17.9 1015.0 82 CLR CLR 325BKN380 60 53 15.0 0.0 0.445 10.4 93 10/31 09Z 53 43 250 4 0.00 0.00 550 563 7.0 -18.2 1014.9 98 CLR 193BKN238 243BKN380 54 53 15.0 0.0 0.446 9.9 96 10/31 12Z 52 43 268 3 0.00 0.00 550 562 6.9 -17.8 1014.5 99 CLR 187BKN235 249BKN365 54 52 15.0 0.0 0.455 10.0 99 10/31 15Z 52 43 259 2 0.00 0.00 550 562 6.8 -16.2 1014.9 100 CLR 165OVC236 248OVC353 52 52 15.0 0.0 0.483 10.0 102 10/31 18Z 58 41 251 3 0.00 0.00 550 563 7.3 -16.7 1015.2 100 CLR 161BKN233 267BKN362 58 51 15.0 0.0 0.507 10.6 105 10/31 21Z 60 41 278 5 0.00 0.00 551 563 7.2 -16.1 1013.9 100 CLR 153OVC232 247OVC389 60 58 15.0 0.0 0.569 9.6 108 11/01 00Z 59 42 278 4 0.00 0.00 551 562 7.4 -15.7 1013.3 100 CLR 148BKN230 243OVC401 61 58 15.0 0.0 0.571 11.4 111 11/01 03Z 55 43 268 4 0.00 0.00 551 562 7.9 -16.8 1013.8 100 CLR 172BKN211 251OVC401 59 55 15.0 0.0 0.573 11.6 114 11/01 06Z 55 43 300 2 0.00 0.00 552 563 7.8 -16.8 1013.4 100 CLR 162OVC225 245OVC395 59 55 15.0 0.0 0.606 11.8 117 11/01 09Z 54 42 94 1 0.00 0.00 552 563 7.8 -15.6 1012.5 100 CLR 163OVC239 239OVC314 55 54 15.0 0.0 0.560 11.5 120 11/01 12Z 52 40 356 4 0.00 0.00 553 563 7.4 -15.3 1011.8 69 CLR 173BKN240 240BKN300 55 52 15.0 0.0 0.399 11.6 123 11/01 15Z 51 38 359 4 0.00 0.00 554 565 7.4 -12.9 1012.7 0 CLR CLR CLR 52 50 15.0 0.0 0.345 11.0 126 11/01 18Z 61 36 12 3 0.00 0.00 557 568 7.9 -12.3 1013.5 0 CLR CLR CLR 61 50 15.0 0.0 0.322 10.2 129 11/01 21Z 66 38 8 7 0.00 0.00 560 570 8.2 -12.7 1012.5 0 CLR CLR CLR 66 61 15.0 0.0 0.284 12.2 132 11/02 00Z 67 35 359 6 0.00 0.00 562 572 7.9 -12.5 1012.3 0 CLR CLR CLR 68 61 15.0 0.0 0.251 13.8 135 11/02 03Z 57 39 311 4 0.00 0.00 563 575 10.0 -12.1 1014.4 0 CLR CLR CLR 67 56 15.0 0.0 0.206 13.3 138 11/02 06Z 55 35 7 2 0.00 0.00 564 578 10.2 -11.8 1015.7 0 CLR CLR CLR 67 55 15.0 0.0 0.217 14.3 141 11/02 09Z 54 28 68 3 0.00 0.00 565 578 11.8 -11.2 1015.8 0 CLR CLR CLR 55 54 15.0 0.0 0.231 13.4 144 11/02 12Z 53 23 71 4 0.00 0.00 566 579 13.0 -11.0 1016.2 11 CLR CLR 318FEW386 55 53 15.0 0.0 0.253 14.6 147 11/02 15Z 52 21 65 3 0.00 0.00 566 581 13.5 -10.5 1017.4 100 CLR CLR 285OVC436 53 51 15.0 0.0 0.294 14.9 150 11/02 18Z 60 23 44 2 0.00 0.00 567 582 13.4 -10.3 1018.1 100 CLR CLR 267OVC447 60 51 15.0 0.0 0.321 15.4 153 11/02 21Z 67 31 300 2 0.00 0.00 567 582 13.0 -10.2 1016.9 100 CLR CLR 251OVC454 67 60 15.0 0.0 0.393 14.6 156 11/03 00Z 66 36 351 1 0.00 0.00 568 582 13.2 -10.4 1016.3 100 CLR CLR 260OVC440 68 60 15.0 0.0 0.399 15.9 159 11/03 03Z 60 35 85 2 0.00 0.00 567 581 12.4 -10.4 1017.1 100 CLR CLR 279OVC446 66 59 15.0 0.0 0.499 16.6 162 11/03 06Z 59 34 80 3 0.00 0.00 566 581 12.0 -10.7 1017.3 100 CLR CLR 274OVC440 66 58 15.0 0.0 0.592 16.4 165 11/03 09Z 58 35 82 3 0.00 0.00 565 578 12.3 -11.2 1015.9 100 CLR CLR 276OVC399 59 58 15.0 0.0 0.664 16.6 168 11/03 12Z 57 37 37 2 0.00 0.00 563 576 11.3 -10.4 1015.5 100 CLR CLR 281OVC411 59 57 15.0 0.0 0.667 16.0