Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 25APR 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 04/25 12Z 53 47 242 6 0.00 0.00 550 560 7.4 -18.6 1011.4 100 000OVC000 000OVC000 000OVC000 **** **** 15.0 0.0 0.494 6.0 3 04/25 15Z 53 48 236 6 0.00 0.00 549 559 6.1 -19.6 1011.6 100 -RA 000OVC041 185OVC238 238OVC351 53 53 15.0 0.0 0.523 6.3 6 04/25 18Z 55 47 255 9 0.01 0.01 548 558 2.5 -20.2 1011.9 100 -RA 006OVC042 181OVC237 238OVC337 56 53 15.0 0.0 0.576 6.5 9 04/25 21Z 58 47 261 11 0.01 0.01 547 557 2.1 -20.3 1011.1 100 -RA 024BKN048 172BKN237 237OVC317 58 56 15.0 0.0 0.648 7.1 12 04/26 00Z 56 46 252 11 0.00 0.00 547 555 2.0 -20.7 1010.1 100 -RA 027BKN050 170BKN233 237OVC324 58 56 15.0 0.0 0.650 6.7 15 04/26 03Z 54 46 244 9 0.00 0.00 546 554 2.4 -19.9 1009.7 100 027SCT059 158OVC236 236OVC338 56 54 15.0 0.0 0.677 6.3 18 04/26 06Z 53 46 222 8 0.00 0.00 546 555 2.2 -20.5 1010.1 100 016BKN066 149OVC236 237OVC335 56 53 15.0 0.0 0.756 6.4 21 04/26 09Z 53 47 212 7 0.00 0.00 547 555 2.2 -19.7 1009.8 100 -RA 007OVC086 180BKN236 270OVC319 54 53 15.0 0.0 0.741 6.7 24 04/26 12Z 53 48 217 6 0.01 0.01 546 555 1.9 -19.5 1009.7 100 -RA 024OVC083 186BKN235 270BKN311 54 53 15.0 0.0 0.729 6.8 27 04/26 15Z 54 47 229 8 0.01 0.01 546 555 1.4 -19.7 1011.1 80 -RA 019BKN061 CLR 281FEW295 54 52 15.0 0.0 0.548 6.5 30 04/26 18Z 57 44 264 10 0.01 0.01 546 556 1.0 -20.3 1012.3 80 -RA 020BKN060 CLR 278FEW290 57 53 15.0 0.0 0.554 6.8 33 04/26 21Z 59 43 268 12 0.00 0.00 545 556 1.3 -20.5 1013.1 24 046FEW055 180FEW192 279FEW303 59 57 15.0 0.0 0.517 7.3 36 04/27 00Z 58 43 270 12 0.00 0.00 545 556 1.4 -21.2 1013.1 14 046FEW055 180FEW192 272FEW294 59 57 15.0 0.0 0.487 7.1 39 04/27 03Z 53 45 267 9 0.00 0.00 544 556 2.0 -22.2 1014.3 0 CLR 175FEW186 CLR 58 53 15.0 0.0 0.522 6.1 42 04/27 06Z 51 44 271 7 0.00 0.00 543 556 2.8 -22.8 1015.1 11 030FEW043 CLR CLR 58 51 15.0 0.0 0.495 5.7 45 04/27 09Z 51 42 275 7 0.00 0.00 543 556 2.9 -23.6 1015.6 62 026BKN040 CLR CLR 52 51 15.0 0.0 0.453 5.5 48 04/27 12Z 53 41 279 6 0.00 0.00 543 556 2.7 -23.7 1016.0 83 021BKN042 CLR CLR 53 51 15.0 0.0 0.438 5.2 51 04/27 15Z 53 42 277 5 0.00 0.00 543 557 2.6 -21.9 1016.7 100 016OVC043 CLR CLR 53 53 15.0 0.0 0.444 5.0 54 04/27 18Z 56 42 266 6 0.00 0.00 545 559 2.7 -20.2 1017.8 100 015OVC045 CLR CLR 56 53 15.0 0.0 0.466 5.7 57 04/27 21Z 58 46 272 10 0.00 0.00 546 562 2.7 -19.2 1018.5 97 021BKN046 CLR CLR 58 56 15.0 0.0 0.542 6.6 60 04/28 00Z 58 46 277 11 0.00 0.00 548 563 5.0 -17.9 1017.7 68 023BKN045 CLR CLR 59 56 15.0 0.0 0.544 7.0 63 04/28 03Z 52 46 289 5 0.00 0.00 550 565 6.0 -17.0 1018.1 5 030FEW035 CLR CLR 58 52 15.0 0.0 0.522 7.9 66 04/28 06Z 50 47 279 3 0.00 0.00 551 566 6.0 -17.2 1019.0 2 030FEW035 CLR CLR 58 50 15.0 0.0 0.520 9.1 69 04/28 09Z 50 47 204 2 0.00 0.00 551 567 6.4 -17.7 1019.0 0 CLR CLR CLR 50 50 15.0 0.0 0.497 9.5 72 04/28 12Z 49 47 152 3 0.00 0.00 551 567 6.0 -17.3 1019.5 0 CLR CLR CLR 50 49 15.0 0.0 0.505 9.3 75 04/28 15Z 52 48 145 3 0.00 0.00 552 569 6.9 -17.0 1020.4 0 CLR CLR CLR 53 49 15.0 0.0 0.462 10.0 78 04/28 18Z 62 49 290 2 0.00 0.00 554 571 7.4 -16.5 1020.1 0 CLR CLR CLR 62 49 15.0 0.0 0.441 10.4 81 04/28 21Z 65 48 287 7 0.00 0.00 555 571 7.0 -16.3 1018.9 4 FEW CLR 357FEW368 66 62 15.0 0.0 0.477 12.7 84 04/29 00Z 63 49 284 9 0.00 0.00 556 571 8.6 -15.7 1018.0 3 FEW CLR 371FEW383 67 61 15.0 0.0 0.510 13.5 87 04/29 03Z 55 49 273 4 0.00 0.00 556 572 9.2 -15.5 1018.1 0 CLR CLR CLR 63 55 15.0 0.0 0.517 13.5 90 04/29 06Z 53 46 219 2 0.00 0.00 556 572 9.2 -15.8 1018.5 1 CLR CLR CLR 63 53 15.0 0.0 0.465 13.7 93 04/29 09Z 52 46 203 2 0.00 0.00 556 571 9.4 -15.7 1017.8 3 CLR CLR 247FEW261 53 52 15.0 0.0 0.452 13.9 96 04/29 12Z 51 46 196 1 0.00 0.00 556 571 9.5 -15.5 1017.4 4 CLR 232FEW242 245FEW258 53 51 15.0 0.0 0.413 14.0 99 04/29 15Z 55 46 193 2 0.00 0.00 556 571 9.1 -16.0 1017.7 4 CLR 232FEW241 FEW 55 51 15.0 0.0 0.400 13.5 102 04/29 18Z 63 46 288 4 0.00 0.00 557 571 9.4 -15.8 1017.0 2 CLR CLR FEW 63 50 15.0 0.0 0.375 12.9 105 04/29 21Z 66 45 292 8 0.00 0.00 558 571 10.0 -15.3 1015.8 0 CLR CLR CLR 66 63 15.0 0.0 0.356 13.7 108 04/30 00Z 62 45 284 9 0.00 0.00 558 571 10.7 -14.9 1015.0 0 CLR CLR CLR 67 61 15.0 0.0 0.308 14.9 111 04/30 03Z 54 47 265 6 0.00 0.00 558 571 11.3 -14.6 1015.3 0 CLR CLR CLR 62 54 15.0 0.0 0.281 14.6 114 04/30 06Z 51 48 242 4 0.00 0.00 558 572 11.7 -14.3 1015.9 1 CLR CLR CLR 62 51 13.6 0.0 0.284 14.1 117 04/30 09Z 50 47 232 3 0.00 0.00 559 571 12.0 -14.0 1015.4 14 011FEW016 CLR CLR 51 50 15.1 0.0 0.299 14.0 120 04/30 12Z 52 48 208 3 0.00 0.00 559 571 11.3 -13.9 1015.2 34 010SCT016 CLR CLR 52 50 15.2 0.0 0.444 12.9 123 04/30 15Z 54 48 220 3 0.00 0.00 559 572 11.2 -13.5 1015.2 68 010BKN018 CLR CLR 53 52 15.1 0.0 0.502 13.5 126 04/30 18Z 62 49 259 3 0.00 0.00 561 573 12.0 -12.9 1014.9 43 010SCT018 CLR CLR 62 52 15.0 0.0 0.492 12.0 129 04/30 21Z 64 49 268 8 0.00 0.00 562 574 13.0 -12.5 1013.8 0 CLR CLR CLR 64 62 15.0 0.0 0.474 14.4 132 05/01 00Z 62 50 280 7 0.00 0.00 563 574 14.0 -12.7 1012.8 0 CLR CLR CLR 65 61 15.0 0.0 0.514 15.8 135 05/01 03Z 55 50 263 5 0.00 0.00 563 574 15.0 -12.8 1012.9 0 CLR CLR CLR 62 55 15.0 0.0 0.493 16.5 138 05/01 06Z 53 49 188 4 0.00 0.00 563 575 15.0 -13.3 1013.7 0 CLR CLR CLR 62 52 13.4 0.0 0.557 16.3 141 05/01 09Z 52 49 171 5 0.00 0.00 563 574 15.6 -13.4 1013.4 1 CLR CLR CLR 53 52 15.0 0.0 0.600 15.3 144 05/01 12Z 51 49 162 6 0.00 0.00 562 574 15.2 -13.8 1013.6 0 CLR CLR CLR 53 51 15.1 0.0 0.610 15.0 147 05/01 15Z 54 49 160 4 0.00 0.00 562 574 14.7 -13.7 1014.4 0 CLR CLR CLR 54 51 15.1 0.0 0.597 14.9 150 05/01 18Z 63 50 259 2 0.00 0.00 563 575 14.8 -13.0 1014.4 0 CLR CLR CLR 63 51 15.0 0.0 0.557 14.7 153 05/01 21Z 66 52 278 11 0.00 0.00 565 576 15.2 -12.7 1013.6 0 CLR CLR CLR 68 63 15.2 0.0 0.564 13.5 156 05/02 00Z 60 51 267 9 0.00 0.00 565 576 15.3 -12.3 1013.6 0 CLR CLR CLR 68 58 15.0 0.0 0.547 15.5 159 05/02 03Z 53 49 248 6 0.00 0.00 565 576 15.6 -12.1 1013.9 17 014FEW020 CLR CLR 60 53 15.1 0.0 0.519 15.1 162 05/02 06Z 53 49 244 7 0.00 0.00 564 576 15.3 -12.3 1015.2 51 010BKN020 CLR CLR 60 53 15.0 0.0 0.578 11.8 165 05/02 09Z 53 48 246 3 0.00 0.00 564 576 15.5 -11.8 1014.2 98 000BKN024 CLR CLR 53 53 15.0 0.0 0.492 9.3 168 05/02 12Z 53 47 236 5 0.00 0.00 563 575 14.4 -11.8 1014.4 97 000BKN025 CLR 345FEW363 54 53 15.0 0.0 0.523 7.5