Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 22SEP 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 09/22 12Z 56 53 157 3 0.00 0.00 566 578 18.7 -12.6 1013.5 56 000BKN000 CLR CLR **** **** 15.0 0.0 0.870 16.4 3 09/22 15Z 57 52 184 4 0.00 0.00 566 579 18.6 -11.4 1015.0 71 007BKN020 CLR CLR 57 56 15.0 0.0 0.913 13.3 6 09/22 18Z 64 53 188 2 0.00 0.00 568 580 18.6 -10.7 1014.9 68 008BKN020 CLR CLR 64 56 15.0 0.0 0.866 16.7 9 09/22 21Z 71 54 285 7 0.00 0.00 569 581 19.1 -10.1 1013.2 0 CLR CLR CLR 71 64 15.0 0.0 0.813 16.5 12 09/23 00Z 64 54 277 8 0.00 0.00 570 581 19.2 -9.9 1012.6 0 CLR CLR CLR 71 63 15.2 0.0 0.759 19.0 15 09/23 03Z 58 54 215 4 0.00 0.00 571 582 19.6 -9.3 1013.0 0 CLR CLR CLR 64 58 13.5 0.0 0.626 20.0 18 09/23 06Z 57 54 187 4 0.00 0.00 572 583 19.7 -8.6 1013.1 2 FEW CLR CLR 64 57 15.0 0.0 0.547 21.1 21 09/23 09Z 56 53 167 4 0.00 0.00 572 582 19.9 -8.5 1012.4 0 CLR CLR CLR 57 56 15.0 0.0 0.557 21.9 24 09/23 12Z 56 52 145 1 0.00 0.00 572 582 19.7 -8.2 1012.4 0 CLR CLR CLR 57 55 15.0 0.0 0.571 21.1 27 09/23 15Z 59 50 113 2 0.00 0.00 572 583 19.6 -8.5 1012.9 0 CLR CLR CLR 59 56 15.0 0.0 0.523 21.2 30 09/23 18Z 72 51 290 3 0.00 0.00 573 584 19.5 -7.9 1012.7 0 CLR CLR CLR 72 55 15.0 0.0 0.524 21.5 33 09/23 21Z 76 53 291 8 0.00 0.00 574 584 19.9 -7.6 1011.5 8 CLR CLR 385FEW402 76 72 15.0 0.0 0.564 22.0 36 09/24 00Z 71 53 288 8 0.00 0.00 575 584 20.5 -7.8 1010.2 7 CLR CLR 391FEW410 77 70 15.0 0.0 0.567 24.3 39 09/24 03Z 63 52 264 3 0.00 0.00 575 584 20.9 -8.5 1010.3 6 CLR CLR 411FEW434 72 63 15.0 0.0 0.560 24.3 42 09/24 06Z 61 52 224 2 0.00 0.00 574 584 21.0 -9.0 1011.1 3 CLR CLR 411FEW433 72 60 15.0 0.0 0.568 24.0 45 09/24 09Z 61 51 186 2 0.00 0.00 574 583 21.4 -9.1 1010.6 0 CLR CLR CLR 61 61 15.0 0.0 0.555 24.6 48 09/24 12Z 59 51 269 2 0.00 0.00 573 582 20.7 -9.5 1010.6 0 CLR CLR CLR 61 59 15.0 0.0 0.515 24.0 51 09/24 15Z 61 51 196 2 0.00 0.00 572 582 20.4 -9.6 1011.6 5 CLR CLR 406FEW426 61 58 15.0 0.0 0.479 23.6 54 09/24 18Z 72 52 294 3 0.00 0.00 572 583 20.0 -9.6 1012.0 17 CLR CLR 410FEW434 73 58 15.0 0.0 0.526 23.1 57 09/24 21Z 73 52 288 8 0.00 0.00 572 582 20.0 -9.6 1011.4 100 CLR CLR 358OVC442 75 72 15.0 0.0 0.572 22.6 60 09/25 00Z 67 51 267 7 0.00 0.00 571 581 19.3 -9.9 1011.7 100 CLR CLR 330OVC400 75 66 15.0 0.0 0.651 21.3 63 09/25 03Z 61 51 238 4 0.00 0.00 571 581 18.5 -9.3 1012.4 100 CLR 210SCT247 274OVC406 66 61 15.0 0.0 0.675 21.1 66 09/25 06Z 61 52 212 4 0.00 0.00 570 581 17.7 -9.7 1012.8 100 CLR 210BKN246 260OVC418 66 61 15.0 0.0 0.801 19.9 69 09/25 09Z 60 56 216 4 0.00 0.00 569 580 16.1 -9.6 1013.3 99 CLR 220FEW237 286OVC358 61 60 15.0 0.0 0.980 17.6 72 09/25 12Z 59 57 218 4 0.00 0.00 568 580 15.7 -9.4 1013.6 53 CLR CLR 288BKN359 61 58 14.6 0.0 0.923 17.9 75 09/25 15Z 59 56 211 3 0.00 0.00 567 580 15.3 -9.6 1014.8 18 007FEW012 CLR CLR 59 58 15.1 0.0 0.951 17.9 78 09/25 18Z 68 54 235 4 0.00 0.00 568 581 15.5 -8.7 1015.1 13 007FEW012 CLR CLR 68 58 15.0 0.0 0.892 17.9 81 09/25 21Z 69 52 256 8 0.00 0.00 569 581 15.8 -8.4 1014.1 1 CLR CLR 345FEW361 70 68 15.0 0.0 0.800 18.2 84 09/26 00Z 66 50 251 7 0.00 0.00 569 580 16.3 -8.4 1012.6 1 CLR CLR 352FEW367 70 66 15.0 0.0 0.655 18.6 87 09/26 03Z 58 51 199 5 0.00 0.00 569 580 16.5 -8.5 1013.0 4 CLR CLR 366FEW383 66 58 15.0 0.0 0.581 19.3 90 09/26 06Z 57 51 182 5 0.00 0.00 569 580 16.6 -8.6 1012.8 4 CLR CLR 358FEW375 66 57 15.0 0.0 0.568 19.5 93 09/26 09Z 55 51 191 4 0.00 0.00 569 579 16.5 -8.3 1012.2 0 CLR CLR CLR 57 55 15.0 0.0 0.559 18.9 96 09/26 12Z 54 51 202 3 0.00 0.00 568 579 16.1 -9.0 1012.2 0 CLR CLR CLR 57 54 15.0 0.0 0.571 18.1 99 09/26 15Z 56 50 186 2 0.00 0.00 568 579 15.9 -9.5 1012.4 2 CLR CLR FEW 56 53 15.0 0.0 0.600 17.4 102 09/26 18Z 66 49 243 2 0.00 0.00 569 579 16.1 -9.2 1012.4 15 CLR CLR 321FEW360 66 53 15.0 0.0 0.665 17.2 105 09/26 21Z 70 49 286 7 0.00 0.00 569 579 16.6 -9.0 1011.0 58 CLR 231FEW246 264BKN379 71 65 15.0 0.0 0.656 16.7 108 09/27 00Z 63 51 282 8 0.00 0.00 568 578 16.3 -9.7 1010.8 78 CLR 231FEW246 283BKN374 71 62 15.0 0.0 0.672 18.1 111 09/27 03Z 57 52 272 5 0.00 0.00 567 577 15.9 -10.4 1012.3 18 CLR CLR 321FEW345 63 57 13.9 0.0 0.628 16.5 114 09/27 06Z 56 52 251 4 0.00 0.00 566 577 15.7 -10.4 1013.0 59 014FEW016 CLR 295BKN346 63 56 13.4 0.0 0.615 14.7 117 09/27 09Z 54 51 241 4 0.00 0.00 565 576 15.1 -10.7 1012.7 49 013FEW018 CLR 260SCT334 56 55 13.6 0.0 0.605 12.8 120 09/27 12Z 54 51 252 4 0.00 0.00 563 574 14.2 -11.2 1012.6 55 013FEW018 233FEW244 269SCT324 56 54 15.0 0.0 0.632 11.4 123 09/27 15Z 56 51 264 5 0.00 0.00 562 573 13.5 -12.1 1013.4 100 014SCT020 224OVC243 296OVC336 56 54 15.0 0.0 0.692 9.7 126 09/27 18Z 61 51 258 6 0.00 0.00 561 573 13.7 -12.5 1013.6 100 015SCT021 223BKN241 273OVC335 61 54 15.0 0.0 0.724 10.4 129 09/27 21Z 61 51 258 8 0.00 0.00 561 571 13.2 -13.4 1012.5 100 FEW 193OVC236 243OVC312 62 61 15.0 0.0 0.787 12.2 132 09/28 00Z 59 51 258 7 0.00 0.00 560 570 13.4 -13.7 1011.5 100 081FEW093 157OVC239 242OVC313 62 59 15.0 0.0 0.838 12.8 135 09/28 03Z 55 52 234 5 0.00 0.00 560 569 13.4 -15.0 1011.4 63 095FEW102 159BKN199 242BKN287 59 55 15.0 0.0 0.743 13.6 138 09/28 06Z 55 51 175 6 0.00 0.00 559 569 13.7 -16.1 1010.9 40 049FEW054 154SCT195 241SCT286 59 54 15.0 0.0 0.673 15.3 141 09/28 09Z 54 51 171 5 0.00 0.00 559 567 13.8 -16.4 1010.0 11 082FEW087 127FEW153 CLR 55 54 15.0 0.0 0.690 14.4 144 09/28 12Z 53 51 157 5 0.00 0.00 558 566 13.3 -16.1 1009.6 9 082FEW086 128FEW158 CLR 55 53 15.0 0.0 0.669 14.3 147 09/28 15Z 55 51 180 2 0.00 0.00 559 567 13.3 -15.0 1009.8 7 CLR 128FEW154 CLR 55 53 15.0 0.0 0.674 14.1 150 09/28 18Z 64 51 260 3 0.00 0.00 560 568 13.6 -13.6 1009.7 4 CLR 128FEW154 CLR 64 53 15.0 0.0 0.680 14.8 153 09/28 21Z 66 49 273 8 0.00 0.00 563 570 14.4 -10.6 1008.1 0 CLR CLR CLR 67 64 15.0 0.0 0.614 16.4 156 09/29 00Z 62 51 260 7 0.00 0.00 565 571 15.5 -8.3 1007.0 0 CLR CLR CLR 68 61 15.0 0.0 0.616 16.8 159 09/29 03Z 56 51 217 5 0.00 0.00 567 573 16.5 -7.5 1007.6 0 CLR CLR CLR 62 56 13.6 0.0 0.635 17.2 162 09/29 06Z 55 51 193 6 0.00 0.00 568 575 16.9 -6.4 1007.7 6 014FEW017 CLR CLR 62 55 13.5 0.0 0.636 17.2 165 09/29 09Z 54 52 178 7 0.00 0.00 569 575 17.2 -6.3 1007.1 14 013FEW016 CLR CLR 55 54 15.0 0.0 0.614 17.1 168 09/29 12Z 55 51 198 6 0.00 0.00 569 575 16.6 -6.6 1008.0 20 011FEW017 CLR CLR 56 54 15.1 0.0 0.659 13.5