Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 27SEP 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 09/27 12Z 55 52 206 4 0.00 0.00 563 573 13.7 -13.0 1012.1 100 000BKN000 000OVC000 000OVC000 **** **** 14.6 0.0 0.659 13.2 3 09/27 15Z 58 52 211 5 0.00 0.00 562 572 13.3 -13.4 1012.4 100 008BKN021 172BKN243 243OVC315 58 55 15.1 0.0 0.835 12.2 6 09/27 18Z 62 52 222 5 0.00 0.00 561 572 13.0 -14.6 1013.1 98 010BKN022 155BKN237 255BKN311 62 55 15.0 0.0 0.774 11.5 9 09/27 21Z 65 52 252 11 0.00 0.00 560 570 12.9 -14.6 1012.1 4 CLR 167FEW198 CLR 66 63 15.0 0.0 0.693 12.5 12 09/28 00Z 61 51 267 10 0.00 0.00 559 568 13.5 -15.4 1011.5 2 CLR 167FEW197 CLR 66 61 15.0 0.0 0.689 13.9 15 09/28 03Z 55 51 257 8 0.00 0.00 558 568 13.1 -16.8 1012.2 2 114FEW120 CLR CLR 61 55 15.0 0.0 0.505 15.3 18 09/28 06Z 55 51 242 8 0.00 0.00 556 567 13.2 -18.2 1012.6 1 114FEW120 CLR CLR 61 55 15.0 0.0 0.533 14.5 21 09/28 09Z 55 52 232 7 0.00 0.00 555 566 13.5 -17.3 1012.3 35 012SCT018 CLR CLR 55 54 15.0 0.0 0.554 11.2 24 09/28 12Z 56 50 184 5 0.00 0.00 556 566 13.4 -17.1 1011.9 61 011BKN020 CLR CLR 57 54 15.0 0.0 0.587 10.6 27 09/28 15Z 55 50 156 5 0.00 0.00 557 568 12.9 -14.9 1012.9 37 015SCT021 CLR CLR 56 54 15.0 0.0 0.677 14.3 30 09/28 18Z 64 49 278 3 0.00 0.00 560 571 13.3 -11.3 1013.0 18 016FEW022 CLR CLR 65 53 15.0 0.0 0.680 13.6 33 09/28 21Z 68 50 300 8 0.00 0.00 564 574 13.7 -10.4 1011.7 0 CLR CLR CLR 68 64 15.0 0.0 0.585 16.6 36 09/29 00Z 64 50 279 8 0.00 0.00 567 575 15.5 -10.0 1010.0 0 CLR CLR CLR 69 62 15.0 0.0 0.558 19.1 39 09/29 03Z 57 52 214 4 0.00 0.00 568 577 16.9 -9.4 1010.4 0 CLR CLR CLR 64 57 13.5 0.0 0.577 20.6 42 09/29 06Z 56 52 187 5 0.00 0.00 570 579 17.8 -6.7 1010.4 2 FEW CLR CLR 64 56 15.0 0.0 0.619 22.5 45 09/29 09Z 55 52 190 2 0.00 0.00 572 580 18.9 -5.6 1009.5 1 CLR CLR CLR 56 55 15.0 0.0 0.632 24.0 48 09/29 12Z 55 51 203 1 0.00 0.00 572 580 18.8 -5.8 1008.9 9 CLR CLR 347FEW376 56 55 15.0 0.0 0.664 22.8 51 09/29 15Z 58 51 215 1 0.00 0.00 573 581 19.0 -6.9 1009.7 3 CLR CLR 321FEW338 58 55 15.0 0.0 0.707 21.2 54 09/29 18Z 70 51 279 3 0.00 0.00 573 582 18.7 -7.7 1009.7 3 CLR CLR 297FEW316 70 55 15.0 0.0 0.705 21.2 57 09/29 21Z 73 50 289 7 0.00 0.00 575 582 18.6 -7.4 1008.3 0 CLR CLR CLR 73 70 15.0 0.0 0.723 22.9 60 09/30 00Z 70 50 272 6 0.00 0.00 576 582 19.8 -6.4 1006.9 0 CLR CLR CLR 74 68 15.0 0.0 0.746 24.1 63 09/30 03Z 60 52 208 5 0.00 0.00 576 583 21.7 -6.1 1007.7 0 CLR CLR CLR 70 60 15.0 0.0 0.780 24.2 66 09/30 06Z 59 54 176 5 0.00 0.00 577 584 21.3 -5.7 1008.0 0 CLR CLR CLR 70 59 15.0 0.0 0.732 25.4 69 09/30 09Z 58 54 169 2 0.00 0.00 577 584 21.7 -5.3 1007.9 0 CLR CLR CLR 59 58 15.0 0.0 0.678 26.2 72 09/30 12Z 59 51 149 3 0.00 0.00 577 584 21.0 -4.7 1008.2 0 CLR CLR CLR 59 58 15.0 0.0 0.632 25.1 75 09/30 15Z 62 50 351 2 0.00 0.00 577 585 21.9 -5.3 1009.6 0 CLR CLR CLR 62 59 15.0 0.0 0.626 23.7 78 09/30 18Z 75 52 285 3 0.00 0.00 578 587 21.6 -5.4 1010.3 0 CLR CLR CLR 75 59 15.0 0.0 0.680 22.8 81 09/30 21Z 77 53 290 7 0.00 0.00 579 587 21.7 -5.1 1009.3 0 CLR CLR CLR 78 75 15.0 0.0 0.688 23.0 84 10/01 00Z 73 53 294 7 0.00 0.00 580 587 21.9 -4.6 1008.3 0 CLR CLR CLR 78 71 15.0 0.0 0.660 25.4 87 10/01 03Z 61 53 283 5 0.00 0.00 579 588 21.7 -4.7 1009.7 0 CLR CLR CLR 72 61 15.1 0.0 0.662 24.9 90 10/01 06Z 60 54 264 3 0.00 0.00 579 588 22.1 -4.8 1010.5 0 CLR CLR CLR 72 59 15.1 0.0 0.662 24.8 93 10/01 09Z 58 54 277 1 0.00 0.00 580 588 22.4 -5.0 1009.7 0 CLR CLR CLR 60 58 15.0 0.0 0.656 25.4 96 10/01 12Z 57 53 306 3 0.00 0.00 579 587 21.6 -5.0 1010.0 0 CLR CLR CLR 60 57 15.0 0.0 0.684 24.4 99 10/01 15Z 60 53 8 1 0.00 0.00 579 588 21.4 -5.1 1010.8 0 CLR CLR CLR 61 57 15.0 0.0 0.688 24.7 102 10/01 18Z 75 55 270 4 0.00 0.00 579 589 21.5 -5.1 1011.0 0 CLR CLR CLR 75 57 15.0 0.0 0.684 24.4 105 10/01 21Z 77 55 300 8 0.00 0.00 580 589 21.6 -5.0 1009.9 0 CLR CLR CLR 79 74 15.0 0.0 0.693 25.6 108 10/02 00Z 72 54 306 8 0.00 0.00 581 588 22.1 -4.9 1009.2 0 CLR CLR CLR 79 70 15.0 0.0 0.676 26.0 111 10/02 03Z 63 54 312 5 0.00 0.00 580 589 22.3 -5.0 1010.3 15 CLR CLR 294FEW321 72 63 15.0 0.0 0.670 25.8 114 10/02 06Z 61 53 318 3 0.00 0.00 580 589 22.7 -4.6 1011.1 13 CLR CLR 294FEW314 72 61 15.0 0.0 0.643 25.5 117 10/02 09Z 61 53 308 3 0.00 0.00 580 589 22.4 -4.5 1011.1 4 CLR CLR 311FEW322 61 61 15.0 0.0 0.673 25.4 120 10/02 12Z 61 52 317 2 0.00 0.00 579 589 22.3 -4.6 1011.3 21 CLR CLR 308FEW348 61 60 15.0 0.0 0.644 25.6 123 10/02 15Z 63 52 343 1 0.00 0.00 579 589 22.7 -4.6 1012.4 52 CLR CLR 302SCT353 63 60 15.0 0.0 0.703 25.7 126 10/02 18Z 77 54 296 3 0.00 0.00 579 590 22.7 -4.9 1012.9 67 CLR CLR 296BKN357 77 60 15.0 0.0 0.698 26.1 129 10/02 21Z 81 53 291 7 0.00 0.00 580 590 23.0 -4.8 1011.4 32 CLR CLR 308SCT349 81 77 15.0 0.0 0.653 27.2 132 10/03 00Z 77 52 294 7 0.00 0.00 581 590 23.6 -5.0 1010.3 28 CLR CLR 292SCT324 82 75 15.0 0.0 0.662 28.5 135 10/03 03Z 68 50 292 3 0.00 0.00 581 590 23.6 -5.2 1011.5 5 CLR CLR 279FEW294 77 68 15.0 0.0 0.673 28.4 138 10/03 06Z 66 49 222 1 0.00 0.00 580 590 23.6 -4.7 1012.1 3 CLR CLR 279FEW294 77 65 15.0 0.0 0.657 27.8 141 10/03 09Z 64 49 136 1 0.00 0.00 579 590 23.6 -5.1 1012.0 38 CLR CLR 285SCT303 66 64 15.0 0.0 0.639 27.6 144 10/03 12Z 65 46 103 2 0.00 0.00 579 589 23.4 -5.5 1011.8 22 CLR CLR 284FEW300 66 64 15.0 0.0 0.613 27.9 147 10/03 15Z 69 46 79 1 0.00 0.00 579 589 23.8 -5.7 1011.9 1 CLR CLR CLR 69 65 15.0 0.0 0.617 28.2 150 10/03 18Z 82 51 299 2 0.00 0.00 580 590 24.1 -5.6 1011.6 0 CLR CLR CLR 82 65 15.0 0.0 0.612 28.8 153 10/03 21Z 87 50 293 8 0.00 0.00 581 589 24.5 -5.0 1009.7 0 CLR CLR CLR 88 82 15.0 0.0 0.604 29.2 156 10/04 00Z 81 50 289 8 0.00 0.00 581 589 24.7 -4.9 1008.4 0 CLR CLR CLR 88 79 15.0 0.0 0.574 30.4 159 10/04 03Z 70 47 263 3 0.00 0.00 581 589 24.5 -4.7 1009.1 0 CLR CLR CLR 81 69 15.0 0.0 0.579 29.9 162 10/04 06Z 68 47 188 3 0.00 0.00 581 589 24.5 -4.7 1009.3 0 CLR CLR CLR 81 67 15.0 0.0 0.564 29.9 165 10/04 09Z 66 47 233 1 0.00 0.00 581 589 24.8 -5.1 1008.7 0 CLR CLR CLR 68 66 15.0 0.0 0.594 29.9 168 10/04 12Z 64 48 326 1 0.00 0.00 581 588 24.6 -5.2 1008.5 0 CLR CLR CLR 68 65 15.0 0.0 0.634 29.5