Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 30AUG 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 08/30 12Z 56 52 201 5 0.00 0.00 569 581 18.3 -8.9 1013.9 64 000BKN000 CLR CLR **** **** 13.9 0.0 0.555 16.9 3 08/30 15Z 57 52 207 5 0.00 0.00 569 581 18.0 -8.6 1014.9 77 011BKN019 CLR CLR 57 56 15.1 0.0 0.535 15.8 6 08/30 18Z 65 51 230 3 0.00 0.00 570 582 18.0 -8.5 1014.6 62 011BKN020 CLR CLR 65 56 15.0 0.0 0.522 16.1 9 08/30 21Z 69 52 271 8 0.00 0.00 571 582 18.5 -8.3 1013.3 0 CLR CLR CLR 69 65 15.0 0.0 0.510 16.5 12 08/31 00Z 65 52 283 8 0.00 0.00 572 582 18.9 -8.1 1012.2 0 CLR CLR CLR 69 64 15.0 0.0 0.486 20.3 15 08/31 03Z 56 53 262 5 0.00 0.00 572 582 19.0 -7.9 1012.1 0 CLR CLR CLR 65 57 13.6 0.0 0.517 19.5 18 08/31 06Z 56 52 231 4 0.00 0.00 571 582 19.2 -8.0 1012.9 13 009FEW015 CLR CLR 65 55 13.7 0.0 0.540 18.4 21 08/31 09Z 56 52 216 5 0.00 0.00 571 581 19.2 -8.1 1012.0 65 009BKN017 CLR CLR 57 56 14.5 0.0 0.531 18.4 24 08/31 12Z 56 52 237 6 0.00 0.00 570 580 18.2 -8.2 1012.2 75 008BKN019 CLR CLR 57 56 14.6 0.0 0.510 13.8 27 08/31 15Z 58 52 236 7 0.00 0.00 569 580 17.4 -8.0 1013.5 90 000BKN024 CLR CLR 58 56 15.1 0.0 0.529 9.7 30 08/31 18Z 61 52 257 9 0.00 0.00 569 581 16.7 -7.9 1014.1 91 000BKN026 CLR CLR 61 56 15.0 0.0 0.546 9.9 33 08/31 21Z 65 53 274 11 0.00 0.00 569 580 16.3 -8.1 1013.6 36 015SCT025 CLR 353FEW375 65 61 15.0 0.0 0.588 11.9 36 09/01 00Z 63 53 274 12 0.00 0.00 568 579 15.6 -8.7 1012.9 34 015FEW025 CLR 332FEW381 65 61 15.0 0.0 0.653 10.9 39 09/01 03Z 58 53 268 7 0.00 0.00 567 578 15.4 -9.8 1013.1 16 021FEW026 CLR 317FEW353 63 58 15.0 0.0 0.646 10.7 42 09/01 06Z 58 53 250 7 0.00 0.00 566 577 14.7 -10.4 1013.8 12 021FEW026 CLR 314FEW346 63 57 15.0 0.0 0.631 9.7 45 09/01 09Z 60 52 253 8 0.00 0.00 564 576 13.8 -10.8 1013.9 85 012BKN030 CLR CLR 60 57 15.0 0.0 0.614 9.8 48 09/01 12Z 60 52 251 6 0.00 0.00 562 575 12.6 -11.2 1014.3 95 009BKN033 CLR CLR 60 57 15.0 0.0 0.586 9.6 51 09/01 15Z 61 52 245 4 0.00 0.00 562 575 12.1 -10.8 1015.5 100 006OVC038 CLR CLR 61 60 15.0 0.0 0.611 9.9 54 09/01 18Z 65 51 265 6 0.00 0.00 562 576 10.0 -9.8 1016.3 100 011OVC040 CLR CLR 65 60 15.0 0.0 0.648 10.7 57 09/01 21Z 67 51 276 10 0.00 0.00 562 575 8.7 -10.0 1015.5 27 022SCT043 CLR CLR 67 65 15.0 0.0 0.692 11.8 60 09/02 00Z 65 51 270 11 0.00 0.00 561 574 10.5 -11.3 1015.2 22 022FEW042 CLR 307FEW348 67 64 15.0 0.0 0.727 11.0 63 09/02 03Z 59 51 266 9 0.00 0.00 558 572 9.5 -12.7 1015.9 10 CLR CLR 294FEW348 65 59 15.0 0.0 0.633 10.3 66 09/02 06Z 57 52 255 5 0.00 0.00 558 572 8.6 -13.2 1016.8 5 CLR CLR 293FEW348 65 57 15.0 0.0 0.700 10.7 69 09/02 09Z 56 52 204 3 0.00 0.00 559 573 8.9 -12.4 1017.2 0 CLR CLR CLR 57 56 15.0 0.0 0.731 10.9 72 09/02 12Z 55 52 150 5 0.00 0.00 560 574 8.1 -10.8 1017.6 0 CLR CLR CLR 57 55 15.0 0.0 0.817 10.7 75 09/02 15Z 59 50 162 4 0.00 0.00 560 576 8.6 -9.7 1019.1 26 CLR CLR 313FEW368 59 55 15.0 0.0 0.826 10.8 78 09/02 18Z 66 51 283 3 0.00 0.00 562 579 9.0 -8.3 1019.3 42 CLR CLR 350SCT413 66 55 15.0 0.0 0.842 11.9 81 09/02 21Z 70 53 292 9 0.00 0.00 565 580 10.3 -7.1 1018.1 68 CLR CLR 349BKN450 70 66 15.0 0.0 0.836 13.9 84 09/03 00Z 67 53 287 11 0.00 0.00 566 581 11.7 -6.2 1017.1 50 CLR CLR 360SCT454 70 65 15.0 0.0 0.830 15.1 87 09/03 03Z 59 55 289 6 0.00 0.00 567 582 12.2 -5.4 1017.2 35 CLR CLR 376SCT453 67 59 15.0 0.0 0.882 13.5 90 09/03 06Z 58 55 274 2 0.00 0.00 568 582 12.6 -5.2 1017.5 25 CLR CLR 397FEW458 67 58 15.0 0.0 0.880 13.6 93 09/03 09Z 57 55 228 2 0.00 0.00 567 581 12.7 -6.2 1016.4 6 CLR CLR 435FEW454 58 57 15.0 0.0 0.856 13.6 96 09/03 12Z 57 55 230 2 0.00 0.00 566 579 12.5 -7.1 1015.6 10 007FEW016 CLR 435FEW455 58 57 15.1 0.0 0.869 13.1 99 09/03 15Z 59 56 241 3 0.00 0.00 566 579 12.6 -6.8 1016.3 36 000SCT013 CLR CLR 59 56 15.0 0.0 0.920 13.6 102 09/03 18Z 66 54 279 6 0.00 0.00 566 580 12.3 -6.7 1015.9 23 000FEW013 CLR CLR 66 56 15.2 0.0 0.961 13.6 105 09/03 21Z 68 55 278 10 0.00 0.00 567 579 12.0 -6.7 1014.3 0 CLR CLR CLR 68 66 15.2 0.0 1.127 14.5 108 09/04 00Z 66 58 282 10 0.00 0.00 567 578 12.6 -6.4 1013.0 0 CLR CLR CLR 68 65 13.3 0.0 1.014 15.1 111 09/04 03Z 60 59 274 6 0.00 0.00 567 578 13.1 -6.6 1012.2 10 007FEW013 CLR CLR 65 60 14.3 0.0 0.814 14.3 114 09/04 06Z 59 57 246 4 0.00 0.00 567 577 12.1 -7.2 1011.9 29 004SCT012 CLR CLR 66 59 15.0 0.0 0.738 14.0 117 09/04 09Z 57 56 243 5 0.00 0.00 566 576 11.7 -8.2 1011.1 36 005SCT012 CLR CLR 59 57 15.4 0.0 0.568 13.4 120 09/04 12Z 56 52 250 6 0.00 0.00 565 574 11.8 -9.3 1011.4 66 003BKN015 CLR CLR 59 56 15.0 0.0 0.420 13.4 123 09/04 15Z 56 51 224 4 0.00 0.00 564 574 12.6 -10.2 1012.2 86 008BKN018 CLR CLR 56 55 15.0 0.0 0.410 13.3 126 09/04 18Z 65 49 257 5 0.00 0.00 563 574 11.9 -10.7 1012.7 61 009BKN019 CLR CLR 65 55 15.0 0.0 0.457 12.3 129 09/04 21Z 66 49 265 11 0.00 0.00 563 574 12.7 -10.8 1011.9 0 CLR CLR CLR 67 65 15.0 0.0 0.472 13.7 132 09/05 00Z 64 50 272 10 0.00 0.00 564 573 13.0 -10.5 1011.0 0 CLR CLR CLR 67 64 15.0 0.0 0.455 14.4 135 09/05 03Z 56 51 270 7 0.00 0.00 563 572 12.9 -11.3 1010.7 0 CLR CLR CLR 64 56 15.0 0.0 0.482 14.9 138 09/05 06Z 55 51 231 4 0.00 0.00 562 572 12.9 -11.9 1011.5 0 CLR CLR CLR 64 55 15.0 0.0 0.412 14.8 141 09/05 09Z 54 50 175 5 0.00 0.00 563 572 14.1 -12.4 1010.7 1 CLR CLR CLR 55 54 15.0 0.0 0.376 14.8 144 09/05 12Z 53 50 183 5 0.00 0.00 563 572 13.5 -11.9 1011.3 0 CLR CLR CLR 55 53 15.0 0.0 0.443 13.8 147 09/05 15Z 56 51 169 5 0.00 0.00 563 574 13.4 -11.4 1012.4 13 011FEW015 CLR CLR 56 53 15.0 0.0 0.499 14.1 150 09/05 18Z 65 50 224 2 0.00 0.00 565 575 13.3 -10.4 1012.6 9 011FEW015 CLR CLR 65 53 15.0 0.0 0.475 14.0 153 09/05 21Z 68 48 275 9 0.00 0.00 566 576 14.0 -9.5 1011.6 0 CLR CLR CLR 69 65 15.0 0.0 0.417 14.9 156 09/06 00Z 65 49 276 7 0.00 0.00 567 577 14.8 -8.8 1010.9 0 CLR CLR CLR 69 63 15.0 0.0 0.361 16.7 159 09/06 03Z 56 50 241 4 0.00 0.00 568 577 15.3 -8.0 1011.2 0 CLR CLR CLR 64 56 15.0 0.0 0.382 17.1 162 09/06 06Z 55 51 200 4 0.00 0.00 569 579 16.4 -7.7 1011.4 1 FEW CLR CLR 64 54 13.4 0.0 0.366 18.0 165 09/06 09Z 54 50 186 4 0.00 0.00 570 579 16.6 -7.0 1010.9 3 FEW CLR CLR 54 54 15.0 0.0 0.393 19.1 168 09/06 12Z 53 49 172 2 0.00 0.00 570 579 16.4 -7.0 1010.5 2 FEW CLR CLR 54 53 15.0 0.0 0.407 19.2