Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 23SEP 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 09/23 12Z 54 51 117 1 0.00 0.00 571 582 19.8 -8.5 1013.1 0 CLR CLR CLR **** **** 15.1 0.0 0.589 20.8 3 09/23 15Z 56 50 123 2 0.00 0.00 572 583 19.6 -8.4 1013.8 1 CLR CLR 375FEW391 57 54 15.0 0.0 0.526 21.3 6 09/23 18Z 69 52 299 3 0.00 0.00 573 584 19.6 -8.3 1013.6 19 CLR CLR 357FEW387 70 53 15.0 0.0 0.548 21.4 9 09/23 21Z 76 54 294 7 0.00 0.00 574 585 20.1 -8.3 1012.1 41 FEW CLR 351SCT393 76 69 15.0 0.0 0.562 21.9 12 09/24 00Z 72 53 290 8 0.00 0.00 575 584 20.5 -8.6 1010.9 23 FEW CLR 357FEW398 77 69 15.0 0.0 0.537 24.4 15 09/24 03Z 63 52 266 2 0.00 0.00 575 584 21.1 -9.2 1011.2 5 CLR CLR 412FEW434 72 62 15.0 0.0 0.513 24.7 18 09/24 06Z 61 52 252 2 0.00 0.00 575 584 21.4 -9.6 1011.7 5 CLR CLR 413FEW431 72 60 15.0 0.0 0.525 24.2 21 09/24 09Z 60 52 214 1 0.00 0.00 574 584 20.8 -9.2 1011.4 7 CLR CLR 349FEW363 61 60 15.0 0.0 0.511 24.4 24 09/24 12Z 59 51 284 2 0.00 0.00 573 583 21.1 -9.9 1011.2 24 CLR CLR 304FEW333 61 59 15.0 0.0 0.485 24.5 27 09/24 15Z 62 50 163 1 0.00 0.00 573 583 20.8 -9.9 1012.0 32 CLR CLR 399SCT434 62 59 15.0 0.0 0.488 23.7 30 09/24 18Z 71 52 294 4 0.00 0.00 572 583 20.6 -9.7 1012.7 51 CLR CLR 363SCT442 72 58 15.0 0.0 0.546 23.4 33 09/24 21Z 74 52 289 8 0.00 0.00 572 583 20.1 -9.2 1012.2 84 CLR CLR 318BKN428 76 72 15.0 0.0 0.643 22.9 36 09/25 00Z 68 51 259 6 0.00 0.00 572 582 19.7 -9.3 1012.1 79 CLR CLR 302BKN430 76 67 15.0 0.0 0.702 22.1 39 09/25 03Z 61 51 229 3 0.00 0.00 571 582 19.3 -9.3 1012.5 100 CLR 235FEW247 280OVC391 68 61 15.0 0.0 0.703 21.8 42 09/25 06Z 61 52 207 5 0.00 0.00 571 582 19.0 -9.1 1013.2 100 CLR 217SCT247 272OVC397 68 61 15.0 0.0 0.712 20.4 45 09/25 09Z 60 54 211 4 0.00 0.00 569 581 17.3 -9.0 1013.3 86 CLR 222SCT246 266BKN353 61 60 15.0 0.0 0.834 18.4 48 09/25 12Z 59 56 207 4 0.00 0.00 568 580 15.9 -9.7 1013.9 47 CLR 222FEW246 272SCT355 61 59 15.0 0.0 0.953 17.4 51 09/25 15Z 60 57 219 4 0.00 0.00 567 580 15.5 -9.5 1015.0 29 CLR CLR 365SCT424 61 59 14.5 0.0 0.974 16.8 54 09/25 18Z 67 56 232 4 0.00 0.00 568 581 15.3 -9.2 1015.4 29 007FEW014 CLR 373FEW425 68 58 15.0 0.0 0.912 17.2 57 09/25 21Z 69 53 256 8 0.00 0.00 568 580 15.7 -9.0 1014.6 1 CLR CLR 411FEW423 70 68 15.0 0.0 0.850 17.8 60 09/26 00Z 65 50 257 7 0.00 0.00 569 580 16.0 -8.6 1013.4 0 CLR CLR CLR 70 65 15.0 0.0 0.763 18.4 63 09/26 03Z 59 51 206 5 0.00 0.00 569 580 16.3 -8.8 1013.5 0 CLR CLR CLR 65 59 15.0 0.0 0.632 18.8 66 09/26 06Z 57 51 196 5 0.00 0.00 569 580 16.2 -9.1 1013.3 0 CLR CLR CLR 65 57 15.0 0.0 0.617 18.1 69 09/26 09Z 55 51 195 5 0.00 0.00 568 579 16.2 -8.9 1012.5 10 CLR CLR 354FEW375 57 55 15.0 0.0 0.564 17.6 72 09/26 12Z 54 50 192 3 0.00 0.00 568 578 16.3 -9.5 1012.2 21 CLR CLR 331FEW374 57 54 15.0 0.0 0.588 17.4 75 09/26 15Z 55 50 171 3 0.00 0.00 568 578 16.2 -10.0 1012.7 89 CLR 236FEW246 290BKN347 56 53 15.0 0.0 0.618 16.2 78 09/26 18Z 65 47 191 2 0.00 0.00 568 579 16.1 -9.7 1012.5 95 CLR 236FEW246 282BKN336 65 53 15.0 0.0 0.566 16.6 81 09/26 21Z 71 47 289 6 0.00 0.00 569 578 16.5 -9.8 1010.8 99 CLR CLR 286OVC327 71 65 15.0 0.0 0.619 16.8 84 09/27 00Z 65 50 289 9 0.00 0.00 568 577 16.1 -10.1 1010.0 99 CLR CLR 270OVC344 72 63 15.0 0.0 0.632 18.4 87 09/27 03Z 57 50 283 5 0.00 0.00 567 577 15.9 -10.4 1011.5 89 CLR 236FEW245 298BKN333 65 57 13.5 0.0 0.575 16.8 90 09/27 06Z 55 51 243 3 0.00 0.00 566 576 15.5 -10.7 1012.2 89 FEW 230FEW245 270BKN302 65 55 13.4 0.0 0.603 15.0 93 09/27 09Z 54 51 220 3 0.00 0.00 565 575 14.8 -11.1 1011.9 63 FEW 235FEW244 286BKN327 55 54 13.5 0.0 0.592 13.9 96 09/27 12Z 54 51 189 4 0.00 0.00 563 573 13.3 -12.1 1011.8 73 013FEW016 227FEW244 269BKN320 55 54 13.8 0.0 0.558 13.0 99 09/27 15Z 56 52 179 5 0.00 0.00 562 573 13.1 -11.9 1012.7 88 011FEW018 168BKN244 243BKN298 56 53 15.1 0.0 0.713 11.4 102 09/27 18Z 61 51 219 7 0.00 0.00 562 573 13.1 -12.8 1013.3 94 013SCT022 154BKN240 243SCT294 61 54 15.0 0.0 0.757 10.1 105 09/27 21Z 63 51 249 11 0.00 0.00 562 572 12.9 -13.5 1012.5 37 CLR 178SCT219 CLR 64 61 15.0 0.0 0.729 10.9 108 09/28 00Z 60 51 250 12 0.00 0.00 561 571 13.6 -14.4 1011.9 19 FEW 177FEW218 CLR 64 59 15.0 0.0 0.657 11.3 111 09/28 03Z 54 51 244 8 0.00 0.00 559 570 13.9 -14.9 1012.3 12 016FEW020 CLR CLR 59 55 15.0 0.0 0.614 10.7 114 09/28 06Z 56 52 227 9 0.00 0.00 558 569 14.1 -15.6 1012.3 39 013SCT020 153FEW160 CLR 59 54 15.0 0.0 0.601 9.8 117 09/28 09Z 57 51 185 6 0.00 0.00 558 568 13.2 -14.0 1011.4 93 011BKN022 CLR CLR 57 56 15.0 0.0 0.650 11.5 120 09/28 12Z 54 50 152 6 0.00 0.00 559 569 13.0 -10.7 1011.1 60 011BKN021 CLR CLR 57 54 15.0 0.0 0.590 12.8 123 09/28 15Z 55 49 137 5 0.00 0.00 562 572 13.8 -9.0 1011.7 0 CLR CLR CLR 55 53 15.0 0.0 0.545 14.5 126 09/28 18Z 64 49 297 3 0.00 0.00 564 574 14.1 -9.7 1012.3 0 CLR CLR CLR 65 53 15.0 0.0 0.574 15.2 129 09/28 21Z 68 51 295 9 0.00 0.00 567 576 15.0 -9.5 1010.7 2 FEW CLR CLR 69 64 15.0 0.0 0.545 17.2 132 09/29 00Z 65 51 287 7 0.00 0.00 569 577 17.1 -8.0 1009.1 1 CLR CLR CLR 69 62 15.0 0.0 0.532 19.7 135 09/29 03Z 58 52 240 3 0.00 0.00 571 579 18.9 -7.8 1009.5 0 CLR CLR CLR 65 58 15.0 0.0 0.564 21.6 138 09/29 06Z 56 52 196 3 0.00 0.00 573 581 19.4 -7.1 1009.8 0 CLR CLR CLR 65 56 15.0 0.0 0.573 24.1 141 09/29 09Z 56 52 201 2 0.00 0.00 574 582 20.3 -6.7 1008.9 0 CLR CLR CLR 57 56 15.0 0.0 0.524 25.3 144 09/29 12Z 56 51 171 1 0.00 0.00 575 582 20.5 -6.9 1008.8 0 CLR CLR CLR 57 56 15.0 0.0 0.478 23.4 147 09/29 15Z 59 50 77 1 0.00 0.00 574 583 19.8 -7.0 1009.8 0 CLR CLR CLR 59 56 15.0 0.0 0.448 22.6 150 09/29 18Z 74 49 295 3 0.00 0.00 576 584 19.9 -6.3 1010.0 0 CLR CLR CLR 74 56 15.0 0.0 0.430 22.9 153 09/29 21Z 77 50 294 7 0.00 0.00 577 584 20.3 -6.2 1008.7 0 CLR CLR CLR 78 73 15.0 0.0 0.443 23.9 156 09/30 00Z 71 50 291 7 0.00 0.00 577 584 20.4 -6.3 1008.2 0 CLR CLR CLR 78 70 15.0 0.0 0.438 25.9 159 09/30 03Z 61 51 246 3 0.00 0.00 578 585 21.2 -6.1 1009.1 0 CLR CLR CLR 71 61 15.0 0.0 0.428 25.8 162 09/30 06Z 59 51 237 3 0.00 0.00 577 586 21.4 -6.4 1010.1 0 CLR CLR CLR 71 59 15.0 0.0 0.445 25.4 165 09/30 09Z 58 51 221 2 0.00 0.00 578 586 21.3 -6.5 1009.9 0 CLR CLR CLR 59 58 15.0 0.0 0.434 25.3 168 09/30 12Z 58 51 169 2 0.00 0.00 577 585 20.9 -6.7 1010.2 0 CLR CLR CLR 59 57 15.0 0.0 0.400 25.2