Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 20OCT 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 10/20 00Z 58 47 287 8 0.00 0.00 558 569 10.0 -14.3 1012.2 100 CLR 000OVC000 000BKN000 **** **** 15.0 0.0 0.498 9.0 3 10/20 03Z 54 49 280 5 0.00 0.00 557 567 9.3 -14.7 1012.3 100 CLR 231FEW241 266OVC334 58 54 15.0 0.0 0.511 8.7 6 10/20 06Z 54 49 249 3 0.00 0.00 556 567 9.3 -15.5 1012.4 100 CLR 231FEW241 253OVC337 58 53 15.0 0.0 0.503 8.9 9 10/20 09Z 53 49 173 2 0.00 0.00 556 566 9.1 -15.3 1012.1 100 017FEW020 CLR 249OVC333 54 53 15.0 0.0 0.553 8.8 12 10/20 12Z 52 48 106 2 0.00 0.00 555 565 8.9 -16.3 1011.9 100 CLR 154FEW168 262OVC332 54 52 15.0 0.0 0.592 9.1 15 10/20 15Z 52 48 85 3 0.00 0.00 555 565 9.3 -17.2 1012.4 41 CLR 158FEW172 277SCT317 52 51 15.0 0.0 0.613 10.0 18 10/20 18Z 63 46 314 1 0.00 0.00 555 566 10.7 -16.9 1012.4 49 CLR 159FEW172 274SCT317 63 51 15.0 0.0 0.608 10.5 21 10/20 21Z 66 46 273 6 0.00 0.00 556 565 10.4 -17.4 1010.8 91 CLR 221FEW234 277BKN332 67 62 15.0 0.0 0.745 13.7 24 10/21 00Z 68 44 285 6 0.00 0.00 557 565 11.3 -17.6 1009.7 96 CLR 211FEW231 262BKN330 69 62 15.0 0.0 0.784 15.3 27 10/21 03Z 61 47 285 5 0.00 0.00 557 566 11.9 -18.1 1010.3 100 109FEW120 194OVC240 241OVC328 68 61 15.0 0.0 0.791 15.4 30 10/21 06Z 59 48 231 2 0.00 0.00 557 566 12.6 -18.7 1010.4 100 106FEW120 194OVC239 240OVC329 68 58 15.0 0.0 0.843 15.4 33 10/21 09Z 58 49 141 1 0.00 0.00 556 565 12.1 -19.1 1010.3 100 093FEW120 176OVC235 240OVC327 59 58 15.0 0.0 0.867 14.9 36 10/21 12Z 57 49 179 2 0.00 0.00 554 563 10.9 -18.9 1010.5 100 092FEW119 175BKN235 243OVC324 59 57 15.0 0.0 0.873 14.0 39 10/21 15Z 59 48 293 4 0.00 0.00 553 563 10.0 -19.2 1011.7 100 081BKN119 156OVC239 239OVC319 59 57 15.0 0.0 0.896 12.4 42 10/21 18Z 61 51 297 6 0.01 0.01 552 563 8.7 -19.3 1012.8 100 083BKN119 161BKN230 239OVC319 62 57 14.9 0.0 0.949 11.3 45 10/21 21Z 64 51 234 2 0.02 0.02 553 563 9.4 -19.7 1011.6 100 -TSRA 087FEW119 120BKN238 238OVC312 65 61 9.4 0.0 0.945 13.3 48 10/22 00Z 63 50 235 2 0.00 0.00 553 563 9.7 -19.2 1010.7 100 -RA 087FEW118 124BKN238 238OVC315 65 60 15.0 0.0 0.941 14.3 51 10/22 03Z 60 50 302 2 0.00 0.00 553 563 9.1 -18.6 1011.5 100 073FEW120 120BKN239 239BKN314 64 59 15.0 0.0 0.956 13.7 54 10/22 06Z 58 51 237 1 0.00 0.00 553 562 9.1 -17.9 1011.1 97 081FEW119 120BKN210 252BKN311 64 57 15.0 0.0 0.987 13.1 57 10/22 09Z 59 51 232 5 0.00 0.00 553 562 9.2 -17.5 1010.3 100 056OVC119 119BKN176 272OVC309 59 59 15.0 0.0 0.989 13.6 60 10/22 12Z 58 52 224 3 0.01 0.00 552 561 8.0 -18.0 1010.5 100 -RA 052OVC117 119BKN186 273BKN309 59 58 14.6 0.0 1.039 12.4 63 10/22 15Z 57 52 230 2 0.01 0.00 551 561 7.9 -19.1 1012.0 100 039OVC113 119OVC195 285FEW311 58 57 15.0 0.0 1.027 10.2 66 10/22 18Z 59 53 178 3 0.00 0.00 551 562 7.3 -18.9 1013.2 100 039OVC112 120BKN185 259FEW300 59 57 15.0 0.0 1.022 10.7 69 10/22 21Z 62 54 267 11 0.00 0.00 552 563 6.6 -17.5 1013.1 99 052BKN095 142SCT228 246BKN297 63 59 14.9 0.0 1.067 10.1 72 10/23 00Z 58 54 277 6 0.03 0.01 553 564 6.5 -16.9 1013.9 99 -RA 031BKN102 160SCT232 247SCT299 63 58 15.0 0.0 1.059 9.6 75 10/23 03Z 56 51 255 9 0.00 0.00 553 566 8.6 -16.4 1015.2 72 023BKN054 140FEW175 CLR 58 56 15.0 0.0 0.914 7.9 78 10/23 06Z 55 50 252 9 0.00 0.00 554 567 9.7 -16.7 1016.0 69 022BKN044 149FEW189 CLR 58 55 15.0 0.0 0.862 8.0 81 10/23 09Z 53 49 185 4 0.00 0.00 555 568 9.7 -16.0 1016.3 54 014BKN025 189FEW212 301FEW311 55 53 15.0 0.0 0.818 9.7 84 10/23 12Z 53 48 138 2 0.00 0.00 555 570 9.4 -16.1 1017.3 40 015SCT024 190FEW212 292FEW312 55 53 15.0 0.0 0.838 9.4 87 10/23 15Z 53 48 81 1 0.00 0.00 557 572 9.7 -15.2 1018.1 0 CLR CLR CLR 53 52 15.0 0.0 0.734 10.2 90 10/23 18Z 62 50 319 3 0.00 0.00 559 574 9.6 -14.2 1018.7 0 CLR CLR CLR 62 52 15.0 0.0 0.617 10.7 93 10/23 21Z 65 52 300 7 0.00 0.00 561 576 10.6 -13.4 1017.4 0 CLR CLR CLR 65 62 15.0 0.0 0.535 12.8 96 10/24 00Z 63 52 292 7 0.00 0.00 563 577 11.7 -12.3 1016.2 0 CLR CLR CLR 66 61 15.0 0.0 0.499 14.6 99 10/24 03Z 56 52 291 4 0.00 0.00 563 578 12.5 -12.3 1017.0 0 CLR CLR CLR 63 56 15.0 0.0 0.471 14.9 102 10/24 06Z 55 51 177 1 0.00 0.00 564 578 12.7 -11.8 1017.2 0 CLR CLR CLR 63 54 15.0 0.0 0.486 14.9 105 10/24 09Z 55 50 148 2 0.00 0.00 564 578 12.7 -11.7 1016.8 0 CLR CLR CLR 55 54 15.0 0.0 0.426 15.7 108 10/24 12Z 54 49 72 2 0.00 0.00 564 578 12.8 -12.1 1016.6 0 CLR CLR CLR 55 54 15.0 0.0 0.348 14.8 111 10/24 15Z 54 44 62 3 0.00 0.00 564 578 12.1 -12.2 1017.2 0 CLR CLR CLR 54 53 15.0 0.0 0.305 14.0 114 10/24 18Z 66 42 24 1 0.00 0.00 565 579 12.3 -12.2 1017.2 2 CLR CLR 395FEW410 66 53 15.0 0.0 0.265 14.3 117 10/24 21Z 71 40 294 4 0.00 0.00 565 579 12.5 -12.1 1015.6 5 CLR CLR 395FEW410 71 66 15.0 0.0 0.295 16.1 120 10/25 00Z 71 41 301 4 0.00 0.00 566 578 12.1 -11.9 1014.2 5 CLR CLR 395FEW408 73 66 15.0 0.0 0.310 17.4 123 10/25 03Z 61 46 297 3 0.00 0.00 566 579 12.2 -11.9 1015.4 2 CLR CLR 394FEW407 72 60 15.0 0.0 0.354 17.1 126 10/25 06Z 59 44 51 1 0.00 0.00 566 579 12.3 -12.1 1016.0 4 CLR CLR 386FEW401 72 59 15.0 0.0 0.346 17.0 129 10/25 09Z 58 42 102 2 0.00 0.00 565 578 11.9 -12.2 1015.9 6 CLR CLR 383FEW402 59 58 15.0 0.0 0.374 16.7 132 10/25 12Z 57 42 67 2 0.00 0.00 564 578 11.8 -12.3 1015.7 24 CLR CLR 373FEW415 59 57 15.0 0.0 0.407 16.7 135 10/25 15Z 56 44 61 3 0.00 0.00 564 578 12.0 -12.4 1016.3 100 CLR CLR 348OVC418 57 56 15.0 0.0 0.423 16.5 138 10/25 18Z 68 46 16 2 0.00 0.00 564 578 12.5 -12.6 1016.7 83 CLR CLR 340BKN418 68 56 15.0 0.0 0.431 17.0 141 10/25 21Z 73 45 285 4 0.00 0.00 565 578 12.9 -12.7 1014.7 93 CLR CLR 345BKN418 74 68 15.0 0.0 0.419 18.1 144 10/26 00Z 73 44 320 4 0.00 0.00 565 577 13.0 -12.7 1013.8 97 CLR CLR 328BKN417 74 68 15.0 0.0 0.445 18.7 147 10/26 03Z 65 44 40 2 0.00 0.00 565 578 13.4 -12.8 1014.8 100 CLR CLR 291OVC418 73 64 15.0 0.0 0.482 18.5 150 10/26 06Z 63 43 59 2 0.00 0.00 565 578 13.2 -12.6 1015.5 100 CLR CLR 286OVC413 73 62 15.0 0.0 0.483 18.3 153 10/26 09Z 61 43 76 2 0.00 0.00 564 577 13.5 -12.9 1015.0 100 CLR CLR 266OVC405 63 61 15.0 0.0 0.488 18.2 156 10/26 12Z 60 41 43 2 0.00 0.00 563 576 13.8 -13.1 1014.4 100 CLR CLR 262OVC404 63 60 15.0 0.0 0.481 18.2 159 10/26 15Z 59 40 60 3 0.00 0.00 563 575 13.8 -13.5 1014.5 100 CLR CLR 250OVC399 60 59 15.0 0.0 0.488 18.4 162 10/26 18Z 69 42 26 1 0.00 0.00 563 575 14.0 -14.2 1014.7 100 CLR 234FEW243 248OVC398 69 59 15.0 0.0 0.539 18.7 165 10/26 21Z 75 42 302 3 0.00 0.00 563 574 14.0 -14.7 1012.4 96 CLR 210FEW243 243BKN351 75 69 15.0 0.0 0.586 18.9 168 10/27 00Z 73 42 306 5 0.00 0.00 563 573 14.2 -14.1 1011.8 98 CLR 201SCT243 243OVC323 76 69 15.0 0.0 0.588 19.6