Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 23MAY 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 05/23 12Z 51 48 235 1 0.00 0.00 564 575 16.5 -11.1 1012.1 18 000FEW000 CLR CLR **** **** 15.1 0.0 0.583 14.1 3 05/23 15Z 55 49 179 2 0.00 0.00 564 575 16.2 -11.2 1013.5 24 012FEW019 CLR CLR 55 50 15.0 0.0 0.584 12.5 6 05/23 18Z 63 49 295 4 0.00 0.00 564 576 15.8 -11.3 1014.0 27 012SCT020 CLR CLR 63 50 15.0 0.0 0.536 11.0 9 05/23 21Z 66 49 282 9 0.00 0.00 565 577 16.4 -11.2 1013.6 4 CLR CLR 434FEW447 66 63 15.0 0.0 0.541 13.3 12 05/24 00Z 63 49 284 11 0.00 0.00 565 576 16.4 -11.2 1013.3 4 CLR CLR 412FEW424 67 62 15.0 0.0 0.536 15.2 15 05/24 03Z 56 49 288 8 0.00 0.00 565 577 16.9 -11.2 1014.1 7 CLR CLR 371FEW382 63 56 15.0 0.0 0.548 15.2 18 05/24 06Z 53 49 297 4 0.00 0.00 564 577 16.8 -10.9 1015.5 6 CLR CLR 368FEW382 63 53 13.5 0.0 0.563 13.4 21 05/24 09Z 51 49 287 2 0.00 0.00 564 576 16.4 -11.1 1015.2 22 CLR CLR 357FEW381 53 51 13.4 0.0 0.558 13.7 24 05/24 12Z 51 48 298 2 0.00 0.00 563 576 16.3 -11.7 1015.1 30 CLR CLR 358SCT386 53 51 15.0 0.0 0.541 13.5 27 05/24 15Z 55 49 274 2 0.00 0.00 563 576 16.0 -11.8 1015.9 32 FEW CLR 372SCT407 55 50 15.0 0.0 0.582 12.7 30 05/24 18Z 62 49 291 6 0.00 0.00 563 576 15.4 -11.5 1016.1 38 FEW CLR 372SCT409 63 50 15.0 0.0 0.652 11.4 33 05/24 21Z 64 50 288 11 0.00 0.00 564 577 15.5 -11.5 1015.6 35 CLR CLR 361SCT391 65 62 15.0 0.0 0.692 13.1 36 05/25 00Z 61 49 284 11 0.00 0.00 564 577 15.8 -11.7 1015.2 38 CLR CLR 349SCT385 65 60 15.0 0.0 0.688 12.9 39 05/25 03Z 55 49 287 8 0.00 0.00 564 576 15.9 -11.3 1015.3 95 CLR CLR 311BKN372 60 55 15.0 0.0 0.687 13.9 42 05/25 06Z 53 48 285 5 0.00 0.00 564 577 16.0 -11.1 1015.7 98 CLR CLR 303BKN362 60 53 13.5 0.0 0.683 13.3 45 05/25 09Z 51 48 273 3 0.00 0.00 563 576 15.8 -11.7 1014.9 73 FEW CLR 297BKN335 53 51 13.6 0.0 0.707 12.3 48 05/25 12Z 50 47 253 1 0.00 0.00 563 575 15.3 -12.1 1014.2 44 FEW CLR 301SCT337 53 50 15.0 0.0 0.710 12.0 51 05/25 15Z 55 48 267 4 0.00 0.00 562 575 14.5 -11.7 1015.2 3 CLR CLR 299FEW313 55 50 15.0 0.0 0.683 9.0 54 05/25 18Z 61 48 282 9 0.00 0.00 563 575 14.8 -11.8 1015.0 4 017FEW022 CLR 299FEW313 61 50 15.0 0.0 0.638 9.1 57 05/25 21Z 62 48 278 10 0.00 0.00 564 576 14.4 -10.6 1014.3 36 CLR CLR 315SCT395 62 61 15.0 0.0 0.590 10.6 60 05/26 00Z 59 47 270 12 0.00 0.00 564 575 14.0 -10.5 1013.1 63 CLR CLR 329BKN387 62 59 15.0 0.0 0.443 9.8 63 05/26 03Z 55 49 263 11 0.00 0.00 564 575 12.5 -10.0 1013.0 86 020FEW024 CLR 316BKN422 59 55 15.0 0.0 0.482 7.6 66 05/26 06Z 53 49 236 6 0.00 0.00 564 575 11.6 -9.7 1013.1 88 018FEW024 CLR 330BKN417 59 52 15.0 0.0 0.551 8.3 69 05/26 09Z 51 49 241 6 0.00 0.00 562 573 8.6 -9.8 1012.3 23 011FEW017 CLR 353FEW407 52 51 15.0 0.0 0.777 7.7 72 05/26 12Z 53 46 279 10 0.01 0.00 560 570 6.9 -10.2 1011.8 62 008BKN034 CLR 306BKN420 53 51 15.0 0.0 0.460 7.1 75 05/26 15Z 54 42 278 12 0.00 0.00 557 567 5.2 -11.2 1012.5 100 FEW CLR 300OVC406 54 51 15.0 0.0 0.452 6.2 78 05/26 18Z 58 43 275 13 0.00 0.00 554 564 3.9 -11.5 1012.3 84 CLR CLR 304BKN403 58 51 15.0 0.0 0.463 7.2 81 05/26 21Z 60 45 275 18 0.00 0.00 553 563 4.1 -10.6 1011.2 3 CLR CLR 378FEW392 60 58 15.0 0.0 0.508 9.0 84 05/27 00Z 58 47 275 16 0.00 0.00 553 561 6.3 -11.3 1009.9 2 CLR CLR 378FEW392 60 58 15.0 0.0 0.545 8.7 87 05/27 03Z 54 47 279 11 0.00 0.00 552 560 6.5 -13.5 1009.9 0 CLR CLR CLR 58 54 15.0 0.0 0.576 10.2 90 05/27 06Z 50 48 247 5 0.00 0.00 551 559 7.1 -16.0 1010.1 3 075FEW080 CLR CLR 58 50 15.0 0.0 0.640 9.4 93 05/27 09Z 50 47 169 5 0.00 0.00 550 557 7.5 -17.6 1009.6 25 023SCT028 CLR CLR 51 50 15.0 0.0 0.629 9.9 96 05/27 12Z 50 47 155 6 0.00 0.00 548 556 7.7 -19.7 1009.2 19 022FEW027 CLR CLR 51 50 15.0 0.0 0.628 10.7 99 05/27 15Z 54 47 169 6 0.00 0.00 546 554 7.0 -22.6 1009.8 0 CLR CLR CLR 55 50 15.0 0.0 0.634 11.5 102 05/27 18Z 62 46 296 5 0.00 0.00 548 556 7.6 -20.6 1009.3 0 CLR CLR CLR 63 49 15.0 0.0 0.583 11.2 105 05/27 21Z 65 46 289 8 0.00 0.00 552 559 8.2 -18.9 1008.2 62 CLR 212SCT238 238BKN270 65 62 15.0 0.0 0.563 12.9 108 05/28 00Z 62 46 281 9 0.00 0.00 553 560 9.0 -16.6 1007.2 55 CLR 198SCT229 239SCT271 67 61 15.0 0.0 0.615 14.4 111 05/28 03Z 56 47 245 3 0.00 0.00 553 560 10.1 -16.5 1007.6 7 CLR 147FEW170 CLR 62 56 15.0 0.0 0.644 13.9 114 05/28 06Z 53 46 207 2 0.00 0.00 552 560 10.0 -18.8 1008.8 34 100FEW119 122SCT187 CLR 62 53 15.0 0.0 0.743 14.3 117 05/28 09Z 54 46 189 3 0.00 0.00 552 560 9.9 -18.6 1009.0 94 085BKN119 130BKN158 243FEW265 55 53 15.0 0.0 0.783 13.7 120 05/28 12Z 54 46 198 2 0.00 0.00 552 560 9.2 -17.5 1009.7 88 081BKN119 129BKN154 243FEW265 55 52 15.0 0.0 0.757 13.3 123 05/28 15Z 56 47 207 3 0.00 0.00 552 562 8.8 -17.9 1011.4 56 082BKN114 CLR CLR 57 52 15.0 0.0 0.706 11.8 126 05/28 18Z 63 47 285 5 0.00 0.00 554 564 8.6 -17.2 1012.0 29 083SCT114 CLR CLR 64 52 15.0 0.0 0.680 11.8 129 05/28 21Z 63 49 280 11 0.00 0.00 555 566 9.2 -15.5 1012.8 0 CLR CLR CLR 66 62 15.0 0.0 0.676 11.6 132 05/29 00Z 62 48 267 12 0.00 0.00 558 568 10.2 -13.9 1012.4 0 CLR CLR CLR 66 61 15.0 0.0 0.620 12.7 135 05/29 03Z 55 50 255 11 0.00 0.00 559 570 11.1 -13.4 1013.2 0 CLR CLR CLR 63 55 15.0 0.0 0.768 10.0 138 05/29 06Z 55 49 228 6 0.00 0.00 558 571 11.1 -13.3 1014.9 35 009SCT025 154FEW162 CLR 62 54 15.1 0.0 0.891 8.3 141 05/29 09Z 54 49 238 5 0.00 0.00 558 570 11.1 -13.0 1014.5 68 016BKN024 CLR CLR 55 54 15.0 0.0 0.895 7.9 144 05/29 12Z 54 48 192 3 0.00 0.00 559 571 11.2 -13.4 1014.8 70 016BKN026 CLR CLR 55 54 15.0 0.0 0.969 7.4 147 05/29 15Z 55 48 159 3 0.00 0.00 559 572 11.1 -13.6 1015.8 88 016BKN029 216FEW233 296FEW353 55 54 15.0 0.0 0.965 7.3 150 05/29 18Z 62 49 292 4 0.00 0.00 560 574 11.3 -13.9 1015.8 80 016BKN029 CLR 296FEW350 62 54 15.0 0.0 0.912 9.4 153 05/29 21Z 65 50 288 11 0.00 0.00 562 575 11.9 -14.1 1015.5 1 FEW CLR CLR 66 62 15.0 0.0 0.867 11.9 156 05/30 00Z 62 50 284 9 0.00 0.00 562 575 13.0 -13.8 1015.3 1 CLR CLR CLR 66 61 15.0 0.0 0.848 14.7 159 05/30 03Z 55 50 257 6 0.00 0.00 562 575 13.4 -12.8 1015.6 0 CLR CLR CLR 62 55 15.0 0.0 0.836 15.3 162 05/30 06Z 53 49 180 5 0.00 0.00 562 575 14.3 -13.1 1015.7 7 013FEW015 CLR 306FEW321 62 52 13.5 0.0 0.782 16.9 165 05/30 09Z 51 49 184 6 0.00 0.00 561 574 14.3 -13.2 1015.4 12 FEW CLR 297FEW328 53 51 13.5 0.0 0.719 16.8 168 05/30 12Z 51 49 197 5 0.00 0.00 560 573 13.5 -13.7 1015.7 56 FEW FEW 250BKN346 53 51 15.0 0.0 0.695 15.6