Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 10AUG 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 08/10 12Z 54 52 202 2 0.00 0.00 581 590 26.6 -6.2 1011.2 74 CLR CLR 000BKN000 **** **** 14.7 0.0 0.836 27.7 3 08/10 15Z 58 53 239 2 0.00 0.00 580 591 25.8 -6.4 1012.8 88 000FEW009 CLR 282BKN313 58 54 14.9 0.0 0.867 25.9 6 08/10 18Z 68 54 291 4 0.00 0.00 580 591 25.3 -6.7 1013.3 53 007FEW011 CLR 282BKN311 68 54 15.0 0.0 0.862 25.1 9 08/10 21Z 70 54 295 9 0.00 0.00 580 591 25.2 -7.4 1012.8 100 CLR CLR 271OVC299 72 68 15.0 0.0 0.904 25.0 12 08/11 00Z 66 54 295 10 0.00 0.00 581 591 25.4 -7.1 1011.9 79 CLR CLR 267BKN296 72 65 15.0 0.0 0.889 26.9 15 08/11 03Z 58 53 290 6 0.00 0.00 580 591 25.6 -7.2 1012.5 1 CLR CLR 260FEW270 66 59 15.1 0.0 0.874 26.3 18 08/11 06Z 56 53 276 4 0.00 0.00 580 591 25.8 -7.9 1013.8 1 CLR CLR CLR 66 56 13.4 0.0 0.910 25.0 21 08/11 09Z 55 52 276 2 0.00 0.00 579 590 25.5 -8.2 1013.2 2 CLR FEW CLR 56 55 15.1 0.0 0.905 26.0 24 08/11 12Z 54 52 177 3 0.00 0.00 578 589 25.2 -8.5 1013.4 3 CLR 221FEW242 CLR 56 54 14.7 0.0 0.933 25.0 27 08/11 15Z 58 53 198 3 0.00 0.00 578 590 24.4 -8.2 1014.5 4 CLR 215FEW236 CLR 58 54 14.7 0.0 0.926 24.1 30 08/11 18Z 69 54 282 3 0.00 0.00 578 590 23.9 -7.9 1014.5 3 CLR 214FEW235 CLR 69 54 15.0 0.0 0.909 24.0 33 08/11 21Z 74 55 292 8 0.00 0.00 578 590 23.7 -7.8 1013.6 0 CLR CLR CLR 75 69 15.0 0.0 0.921 24.9 36 08/12 00Z 69 54 299 9 0.00 0.00 578 589 23.7 -7.4 1012.6 0 CLR CLR CLR 76 67 15.1 0.0 0.882 26.3 39 08/12 03Z 61 55 300 5 0.00 0.00 578 588 23.8 -7.7 1012.7 0 CLR CLR 323FEW334 69 61 15.1 0.0 0.975 25.0 42 08/12 06Z 57 54 242 2 0.00 0.00 577 588 24.3 -7.7 1012.6 17 CLR CLR 314FEW355 69 57 13.3 0.0 0.985 24.2 45 08/12 09Z 57 54 212 2 0.00 0.00 576 586 23.9 -7.8 1011.6 100 FEW FEW 298OVC391 57 57 14.7 0.0 0.984 23.8 48 08/12 12Z 56 54 200 2 0.00 0.00 575 585 23.4 -8.1 1011.2 100 CLR CLR 291OVC396 58 56 14.9 0.0 1.024 22.2 51 08/12 15Z 59 54 190 3 0.00 0.00 575 585 22.9 -8.2 1011.7 100 CLR 162FEW185 279OVC397 59 56 15.0 0.0 1.000 21.4 54 08/12 18Z 68 55 247 2 0.00 0.00 574 584 22.0 -8.2 1011.8 100 CLR 162FEW185 278OVC387 68 56 15.0 0.0 1.018 19.5 57 08/12 21Z 74 56 288 8 0.00 0.00 575 584 21.8 -8.4 1009.9 100 CLR CLR 265OVC356 75 68 15.2 0.0 1.021 19.8 60 08/13 00Z 68 55 287 8 0.00 0.00 575 583 21.6 -8.3 1008.8 100 CLR CLR 258OVC341 75 66 15.0 0.0 0.990 21.7 63 08/13 03Z 59 54 276 6 0.00 0.00 574 582 21.4 -8.6 1009.5 96 CLR 234FEW247 261BKN301 68 59 15.2 0.0 0.988 18.5 66 08/13 06Z 56 54 231 3 0.00 0.00 573 582 21.6 -8.8 1010.5 98 009FEW017 232FEW247 259OVC298 68 56 14.5 0.0 0.969 14.6 69 08/13 09Z 56 54 177 4 0.00 0.00 572 580 21.2 -9.1 1010.2 98 008SCT021 CLR 249OVC289 57 56 15.0 0.0 0.932 12.4 72 08/13 12Z 56 54 165 4 0.00 0.00 571 580 20.1 -9.8 1010.3 99 010SCT020 225FEW246 248OVC293 57 55 15.0 0.0 0.875 11.5 75 08/13 15Z 59 54 178 6 0.00 0.00 570 580 19.1 -9.7 1011.7 99 012BKN025 211SCT246 246OVC297 59 56 15.0 0.0 0.858 10.4 78 08/13 18Z 63 54 228 9 0.00 0.00 570 581 18.2 -9.3 1012.7 97 010BKN027 214SCT246 253BKN304 63 56 15.0 0.0 0.849 11.0 81 08/13 21Z 66 54 253 13 0.00 0.00 570 581 17.8 -9.1 1012.3 79 021SCT030 200FEW218 262BKN334 67 63 15.0 0.0 0.784 13.0 84 08/14 00Z 64 54 262 13 0.00 0.00 571 581 16.4 -8.7 1011.3 56 021FEW029 CLR 268BKN336 67 63 15.0 0.0 0.775 12.9 87 08/14 03Z 59 54 247 9 0.00 0.00 570 581 17.1 -8.5 1012.3 7 017FEW023 CLR 313FEW336 64 59 15.0 0.0 0.757 12.7 90 08/14 06Z 57 54 236 6 0.00 0.00 570 581 18.1 -8.3 1013.4 8 015FEW022 CLR 312FEW335 64 57 15.0 0.0 0.704 11.0 93 08/14 09Z 57 54 234 5 0.00 0.00 569 581 17.7 -8.5 1013.5 53 014BKN027 CLR CLR 57 56 15.0 0.0 0.708 9.7 96 08/14 12Z 58 52 211 3 0.00 0.00 569 580 16.7 -8.7 1013.8 74 015BKN027 CLR CLR 59 56 15.0 0.0 0.730 9.5 99 08/14 15Z 60 52 182 3 0.00 0.00 568 581 16.5 -9.0 1015.0 87 019BKN028 CLR CLR 60 58 15.0 0.0 0.723 9.8 102 08/14 18Z 65 53 243 3 0.00 0.00 569 582 16.1 -9.0 1015.3 62 020BKN028 CLR CLR 66 58 15.0 0.0 0.719 11.8 105 08/14 21Z 70 55 281 9 0.00 0.00 570 582 16.7 -8.7 1014.3 0 CLR CLR CLR 71 66 15.0 0.0 0.734 15.1 108 08/15 00Z 67 55 277 9 0.00 0.00 571 583 17.1 -8.5 1013.9 0 CLR CLR CLR 71 65 15.0 0.0 0.745 15.3 111 08/15 03Z 59 54 277 7 0.00 0.00 571 583 17.9 -8.4 1014.4 4 CLR CLR 361FEW395 67 58 15.0 0.0 0.662 16.9 114 08/15 06Z 57 54 250 3 0.00 0.00 570 584 17.9 -8.8 1015.9 19 012FEW019 CLR 361FEW391 67 56 13.4 0.0 0.688 15.6 117 08/15 09Z 55 53 186 2 0.00 0.00 570 583 18.0 -9.2 1015.8 53 011SCT018 CLR 343SCT400 57 55 15.0 0.0 0.704 15.7 120 08/15 12Z 55 52 239 1 0.00 0.00 569 583 17.4 -9.7 1016.0 76 012FEW018 CLR 325BKN395 57 55 15.1 0.0 0.706 15.0 123 08/15 15Z 58 53 186 2 0.00 0.00 569 583 17.0 -10.0 1017.1 32 014FEW019 CLR 310SCT355 58 54 15.1 0.0 0.693 14.6 126 08/15 18Z 66 53 281 4 0.00 0.00 569 584 16.9 -9.9 1017.5 15 015FEW019 CLR 311FEW355 66 54 15.0 0.0 0.687 13.9 129 08/15 21Z 69 54 285 10 0.00 0.00 570 585 17.3 -9.2 1017.1 5 CLR CLR 372FEW395 71 67 15.0 0.0 0.701 15.6 132 08/16 00Z 67 54 285 10 0.00 0.00 571 585 18.0 -8.7 1016.2 17 CLR CLR 387FEW417 71 65 15.0 0.0 0.731 18.4 135 08/16 03Z 59 55 298 7 0.00 0.00 571 585 18.5 -8.7 1016.6 92 CLR CLR 306BKN388 67 59 15.0 0.0 0.687 20.0 138 08/16 06Z 57 54 288 4 0.00 0.00 571 586 18.6 -8.8 1017.7 62 CLR CLR 305BKN377 67 57 13.4 0.0 0.700 19.4 141 08/16 09Z 55 53 305 1 0.00 0.00 570 585 18.3 -8.6 1017.6 4 FEW CLR 335FEW346 57 56 13.9 0.0 0.640 18.8 144 08/16 12Z 55 53 258 1 0.00 0.00 570 585 17.8 -8.5 1017.9 36 CLR CLR 362SCT438 57 55 15.0 0.0 0.625 18.1 147 08/16 15Z 58 54 222 1 0.00 0.00 570 586 17.5 -9.0 1018.9 46 CLR CLR 363SCT428 58 54 15.0 0.0 0.620 18.0 150 08/16 18Z 67 54 289 4 0.00 0.00 570 586 17.0 -9.1 1019.3 60 CLR CLR 346BKN442 67 54 15.0 0.0 0.639 18.0 153 08/16 21Z 69 53 292 10 0.00 0.00 571 587 17.7 -8.8 1018.2 92 CLR CLR 336BKN451 71 67 15.0 0.0 0.652 19.1 156 08/17 00Z 64 53 289 10 0.00 0.00 571 586 17.7 -8.0 1017.7 96 CLR CLR 323BKN451 71 64 15.0 0.0 0.654 19.6 159 08/17 03Z 59 54 287 5 0.00 0.00 571 586 17.7 -8.2 1017.9 100 CLR CLR 271OVC445 64 59 15.0 0.0 0.643 18.7 162 08/17 06Z 57 54 274 2 0.00 0.00 570 586 17.6 -8.1 1018.8 100 CLR CLR 272OVC436 64 57 13.6 0.0 0.667 17.9 165 08/17 09Z 56 54 282 2 0.00 0.00 569 585 17.5 -7.9 1018.2 100 CLR CLR 288OVC393 57 56 15.0 0.0 0.665 16.6 168 08/17 12Z 56 54 250 1 0.00 0.00 568 583 16.7 -8.4 1017.9 100 CLR CLR 280OVC398 57 56 15.0 0.0 0.700 16.4