Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 26APR 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 04/26 12Z 53 48 203 5 0.00 0.00 546 554 2.0 -20.2 1010.4 100 -RA 000OVC000 000FEW000 CLR **** **** 12.9 0.0 0.697 6.5 3 04/26 15Z 54 47 245 6 0.02 0.02 545 555 1.2 -20.8 1011.6 89 -TSRA 016BKN067 193FEW230 259FEW281 54 53 15.0 0.0 0.574 6.6 6 04/26 18Z 57 44 267 10 0.01 0.01 545 556 1.0 -20.9 1013.0 82 -RA 022BKN066 180FEW227 265FEW286 57 53 15.0 0.0 0.535 6.6 9 04/26 21Z 60 42 273 11 0.00 0.00 544 556 1.4 -21.1 1013.5 54 049FEW053 167SCT229 244FEW253 60 57 15.0 0.0 0.512 7.5 12 04/27 00Z 57 44 275 12 0.00 0.00 544 555 1.4 -21.7 1013.2 31 050FEW054 167SCT227 276FEW286 60 57 15.0 0.0 0.489 7.1 15 04/27 03Z 52 44 273 9 0.00 0.00 543 555 2.7 -22.7 1014.4 3 CLR 175FEW183 CLR 57 52 15.0 0.0 0.463 5.8 18 04/27 06Z 51 44 273 6 0.00 0.00 543 555 2.5 -23.3 1015.1 2 CLR 175FEW183 CLR 57 51 15.0 0.0 0.471 5.4 21 04/27 09Z 50 45 274 6 0.00 0.00 542 555 2.2 -23.6 1015.3 2 024FEW026 CLR CLR 51 50 15.0 0.0 0.473 5.2 24 04/27 12Z 49 45 273 4 0.00 0.00 541 555 1.6 -23.7 1015.8 5 024FEW026 CLR CLR 51 49 15.0 0.0 0.485 5.1 27 04/27 15Z 53 45 293 5 0.00 0.00 542 556 1.5 -23.1 1016.7 7 022FEW025 CLR CLR 53 49 15.0 0.0 0.520 5.0 30 04/27 18Z 55 44 272 7 0.00 0.00 543 558 1.5 -22.0 1017.6 27 030SCT040 CLR CLR 55 49 15.0 0.0 0.561 5.6 33 04/27 21Z 58 45 273 9 0.00 0.00 545 560 2.0 -18.4 1017.8 82 030BKN048 CLR CLR 57 55 15.0 0.0 0.550 6.6 36 04/28 00Z 58 45 277 11 0.00 0.00 547 562 4.4 -17.5 1017.2 61 030BKN047 CLR CLR 59 55 15.0 0.0 0.506 7.0 39 04/28 03Z 52 46 271 5 0.00 0.00 548 563 5.2 -18.0 1018.0 0 CLR CLR CLR 58 52 15.0 0.0 0.490 7.3 42 04/28 06Z 50 47 269 4 0.00 0.00 548 564 5.4 -18.8 1019.0 16 CLR CLR 271FEW329 58 50 15.0 0.0 0.484 7.9 45 04/28 09Z 50 47 233 3 0.00 0.00 549 564 5.6 -18.5 1018.9 100 CLR CLR 270OVC337 50 50 15.0 0.0 0.472 8.4 48 04/28 12Z 49 46 167 4 0.00 0.00 549 565 5.7 -18.2 1019.1 100 014FEW018 CLR 264OVC331 50 49 15.0 0.0 0.472 9.1 51 04/28 15Z 53 48 177 3 0.00 0.00 549 566 5.3 -18.0 1020.9 19 CLR CLR 278FEW312 52 49 15.0 0.0 0.491 8.4 54 04/28 18Z 60 48 243 2 0.00 0.00 551 568 6.0 -17.5 1020.8 11 CLR CLR 279FEW313 60 49 15.0 0.0 0.458 9.3 57 04/28 21Z 64 48 290 9 0.00 0.00 553 570 6.8 -17.2 1020.1 0 CLR CLR CLR 64 60 15.0 0.0 0.460 11.2 60 04/29 00Z 63 47 290 9 0.00 0.00 555 571 8.5 -16.5 1019.0 0 CLR CLR CLR 65 60 15.0 0.0 0.445 12.7 63 04/29 03Z 55 49 288 6 0.00 0.00 555 572 8.4 -15.4 1019.7 0 CLR CLR CLR 63 55 15.0 0.0 0.470 12.8 66 04/29 06Z 52 48 276 2 0.00 0.00 556 573 8.8 -15.6 1020.6 1 CLR CLR CLR 63 52 15.0 0.0 0.443 13.1 69 04/29 09Z 52 47 182 4 0.00 0.00 556 573 9.2 -15.2 1019.8 0 CLR CLR CLR 52 51 15.0 0.0 0.395 13.4 72 04/29 12Z 51 46 144 2 0.00 0.00 557 573 9.5 -14.3 1018.8 0 CLR CLR CLR 52 51 15.0 0.0 0.372 14.0 75 04/29 15Z 55 46 76 1 0.00 0.00 558 574 9.3 -14.1 1019.2 0 CLR CLR CLR 55 51 15.0 0.0 0.454 13.5 78 04/29 18Z 65 49 321 3 0.00 0.00 559 574 10.0 -13.7 1018.1 0 CLR CLR CLR 66 50 15.0 0.0 0.469 13.3 81 04/29 21Z 70 49 293 7 0.00 0.00 561 574 10.0 -13.3 1015.7 2 FEW CLR CLR 70 65 15.0 0.0 0.505 16.1 84 04/30 00Z 65 49 287 10 0.00 0.00 561 573 10.8 -13.1 1014.7 1 CLR CLR CLR 71 63 15.0 0.0 0.565 16.2 87 04/30 03Z 57 48 276 5 0.00 0.00 561 573 11.5 -13.1 1014.6 0 CLR CLR CLR 65 57 15.0 0.0 0.558 16.2 90 04/30 06Z 54 47 230 2 0.00 0.00 561 573 11.5 -12.7 1014.9 0 CLR CLR CLR 65 54 15.0 0.0 0.511 16.0 93 04/30 09Z 53 47 228 2 0.00 0.00 561 572 11.7 -12.6 1014.2 0 CLR CLR CLR 54 53 15.0 0.0 0.488 16.2 96 04/30 12Z 51 47 278 1 0.00 0.00 560 571 11.6 -12.9 1013.4 0 CLR CLR CLR 54 52 15.0 0.0 0.435 16.4 99 04/30 15Z 56 48 272 2 0.00 0.00 560 572 12.0 -13.2 1013.6 0 CLR CLR CLR 56 51 15.0 0.0 0.592 15.9 102 04/30 18Z 65 49 294 3 0.00 0.00 561 572 12.4 -12.9 1013.0 0 CLR CLR CLR 65 51 15.0 0.0 0.646 15.9 105 04/30 21Z 68 50 294 8 0.00 0.00 562 572 13.8 -12.4 1011.9 0 CLR CLR CLR 68 65 15.0 0.0 0.589 15.9 108 05/01 00Z 63 50 282 9 0.00 0.00 563 573 15.1 -11.7 1010.9 0 CLR CLR CLR 69 62 15.0 0.0 0.590 17.5 111 05/01 03Z 55 51 258 5 0.00 0.00 564 573 15.2 -10.7 1011.0 1 CLR CLR 337FEW348 63 55 15.0 0.0 0.580 18.0 114 05/01 06Z 53 51 236 3 0.00 0.00 564 574 15.3 -11.3 1012.0 11 010FEW015 CLR 316FEW332 63 53 13.4 0.0 0.666 18.7 117 05/01 09Z 54 50 230 4 0.00 0.00 563 573 15.7 -11.9 1011.9 61 007BKN015 CLR 288FEW307 54 53 13.5 0.0 0.665 17.6 120 05/01 12Z 54 50 201 3 0.00 0.00 563 573 16.1 -12.3 1011.8 67 008BKN017 CLR 280FEW300 54 53 15.1 0.0 0.636 16.9 123 05/01 15Z 55 50 166 5 0.00 0.00 563 574 15.8 -12.5 1012.8 46 010SCT016 CLR 284FEW303 55 53 15.0 0.0 0.588 15.5 126 05/01 18Z 63 51 263 3 0.00 0.00 564 575 15.5 -12.3 1013.0 24 011FEW017 CLR CLR 63 53 15.0 0.0 0.572 14.5 129 05/01 21Z 65 52 282 9 0.00 0.00 564 575 15.8 -11.7 1012.5 0 CLR CLR 406FEW422 67 63 15.0 0.0 0.581 14.6 132 05/02 00Z 63 52 293 9 0.00 0.00 565 575 15.9 -11.6 1011.9 10 CLR CLR 397FEW429 67 62 15.0 0.0 0.546 18.1 135 05/02 03Z 55 51 273 6 0.00 0.00 564 575 15.7 -11.6 1012.9 75 CLR CLR 387BKN428 63 55 15.0 0.0 0.531 16.4 138 05/02 06Z 54 50 244 5 0.00 0.00 563 574 15.6 -11.8 1013.4 78 010SCT019 CLR 343BKN419 63 54 13.5 0.0 0.529 14.3 141 05/02 09Z 54 49 233 6 0.00 0.00 562 573 14.7 -12.8 1013.6 100 008BKN021 CLR 297OVC412 54 54 13.9 0.0 0.590 11.4 144 05/02 12Z 54 48 215 6 0.00 0.00 560 571 13.7 -13.4 1013.2 100 006BKN023 CLR 295OVC399 54 53 15.0 0.0 0.586 8.6 147 05/02 15Z 54 48 222 9 0.00 0.00 559 570 12.8 -14.2 1013.8 100 000BKN026 CLR 297OVC374 54 53 15.0 0.0 0.535 7.8 150 05/02 18Z 56 48 237 10 0.00 0.00 557 569 11.6 -14.8 1014.6 100 000BKN026 CLR 293OVC370 56 53 15.0 0.0 0.504 7.5 153 05/02 21Z 59 48 259 14 0.00 0.00 555 567 10.3 -14.9 1014.2 39 018FEW024 CLR 248SCT363 59 57 15.0 0.0 0.498 8.5 156 05/03 00Z 57 48 265 14 0.00 0.00 554 565 9.6 -17.9 1013.4 57 018FEW024 CLR 259BKN332 59 56 15.0 0.0 0.556 8.4 159 05/03 03Z 53 47 274 11 0.00 0.00 552 563 8.4 -18.7 1013.1 72 CLR 209BKN237 239BKN271 57 53 15.0 0.0 0.556 9.2 162 05/03 06Z 52 47 279 10 0.00 0.00 550 561 6.7 -20.7 1013.4 52 FEW 206SCT237 237SCT270 57 52 15.0 0.0 0.546 8.0 165 05/03 09Z 52 47 275 11 0.00 0.00 547 559 5.4 -21.9 1013.3 36 FEW CLR 242SCT261 52 52 15.0 0.0 0.543 6.2 168 05/03 12Z 53 45 279 11 0.00 0.00 546 557 4.8 -21.4 1013.2 39 020FEW025 200FEW235 241FEW259 53 51 15.0 0.0 0.583 6.0