Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 28APR 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 04/28 12Z 50 47 196 3 0.00 0.00 545 561 4.2 -23.5 1019.1 29 000SCT000 CLR CLR **** **** 15.0 0.0 0.565 7.7 3 04/28 15Z 54 47 244 3 0.00 0.00 545 562 4.4 -23.6 1020.2 49 014SCT021 CLR CLR 54 50 15.0 0.0 0.570 7.3 6 04/28 18Z 60 48 267 3 0.00 0.00 546 564 5.0 -21.0 1020.7 43 015SCT023 CLR CLR 60 50 15.0 0.0 0.569 8.2 9 04/28 21Z 64 48 282 8 0.00 0.00 549 566 5.5 -18.4 1019.6 0 CLR CLR CLR 64 60 15.0 0.0 0.570 10.8 12 04/29 00Z 62 49 282 9 0.00 0.00 552 567 7.3 -17.4 1018.4 0 CLR CLR CLR 64 60 15.0 0.0 0.559 12.3 15 04/29 03Z 54 48 278 7 0.00 0.00 553 569 8.1 -15.8 1019.0 0 CLR CLR CLR 61 54 15.0 0.0 0.580 11.8 18 04/29 06Z 52 47 216 2 0.00 0.00 555 571 8.0 -14.8 1019.4 0 CLR CLR CLR 61 52 15.0 0.0 0.574 12.3 21 04/29 09Z 52 48 208 2 0.00 0.00 555 571 8.3 -12.9 1019.0 0 CLR CLR CLR 52 52 15.0 0.0 0.576 12.7 24 04/29 12Z 51 48 160 4 0.00 0.00 555 571 8.7 -13.8 1018.7 0 CLR CLR CLR 52 51 15.0 0.0 0.530 13.7 27 04/29 15Z 55 49 183 2 0.00 0.00 556 572 8.6 -14.2 1019.2 0 CLR CLR CLR 55 51 15.0 0.0 0.519 13.4 30 04/29 18Z 63 50 262 2 0.00 0.00 556 572 9.3 -15.0 1018.6 0 CLR CLR CLR 63 51 15.0 0.0 0.499 12.9 33 04/29 21Z 65 50 279 11 0.00 0.00 558 572 10.0 -14.4 1017.5 0 CLR CLR CLR 67 63 15.0 0.0 0.470 12.5 36 04/30 00Z 61 48 275 8 0.00 0.00 558 572 10.3 -13.8 1017.1 0 CLR CLR CLR 67 60 15.0 0.0 0.435 13.7 39 04/30 03Z 54 48 270 6 0.00 0.00 559 573 11.6 -13.6 1016.6 0 CLR CLR CLR 61 54 15.0 0.0 0.385 14.3 42 04/30 06Z 51 48 245 4 0.00 0.00 559 573 12.6 -12.8 1016.9 3 013FEW017 CLR CLR 61 51 15.0 0.0 0.430 14.3 45 04/30 09Z 51 48 214 3 0.00 0.00 559 573 12.6 -12.7 1016.1 36 012SCT016 CLR CLR 51 51 15.0 0.0 0.520 15.1 48 04/30 12Z 52 48 219 3 0.00 0.00 559 572 12.3 -12.8 1015.7 46 011SCT017 CLR CLR 52 51 15.1 0.0 0.604 13.1 51 04/30 15Z 54 48 186 3 0.00 0.00 560 573 11.8 -12.8 1015.6 69 010BKN018 CLR CLR 54 52 15.0 0.0 0.621 14.4 54 04/30 18Z 62 50 263 2 0.00 0.00 560 573 12.1 -12.9 1015.3 38 011SCT018 CLR 314FEW325 62 52 15.0 0.0 0.654 14.5 57 04/30 21Z 66 51 295 8 0.00 0.00 561 573 13.3 -13.3 1013.7 43 CLR CLR 251SCT313 67 62 15.0 0.0 0.599 14.5 60 05/01 00Z 64 51 285 8 0.00 0.00 562 573 13.6 -14.1 1012.5 54 CLR 229FEW243 246BKN312 68 61 15.0 0.0 0.610 17.0 63 05/01 03Z 56 50 263 4 0.00 0.00 562 573 13.9 -14.4 1013.0 1 CLR CLR CLR 64 56 15.0 0.0 0.639 16.9 66 05/01 06Z 53 51 228 4 0.00 0.00 562 574 13.6 -13.0 1013.9 1 CLR CLR CLR 64 53 13.4 0.0 0.660 17.6 69 05/01 09Z 53 50 218 3 0.00 0.00 562 574 14.8 -12.0 1013.4 29 008SCT013 CLR CLR 53 53 13.5 0.0 0.690 18.2 72 05/01 12Z 54 50 201 3 0.00 0.00 563 574 14.8 -12.3 1013.4 43 007SCT014 CLR 380FEW402 54 52 15.0 0.0 0.617 18.5 75 05/01 15Z 55 50 189 3 0.00 0.00 563 574 15.0 -12.6 1014.0 49 008SCT013 CLR 347FEW394 55 53 15.0 0.0 0.552 17.4 78 05/01 18Z 64 52 273 2 0.00 0.00 563 575 14.8 -12.8 1013.8 40 008FEW014 CLR 330FEW398 65 53 15.0 0.0 0.526 16.6 81 05/01 21Z 69 53 292 8 0.00 0.00 564 574 15.2 -12.7 1012.4 46 CLR CLR 313SCT428 70 64 15.2 0.0 0.518 16.4 84 05/02 00Z 63 52 284 9 0.00 0.00 564 574 15.6 -13.0 1011.5 68 CLR CLR 299BKN418 70 61 15.2 0.0 0.469 18.7 87 05/02 03Z 56 51 266 5 0.00 0.00 563 573 15.4 -13.4 1011.8 100 CLR CLR 254OVC407 63 56 15.0 0.0 0.464 18.4 90 05/02 06Z 54 51 225 4 0.00 0.00 562 572 14.9 -13.8 1012.0 100 CLR 229FEW243 250OVC401 63 54 13.6 0.0 0.565 16.9 93 05/02 09Z 53 50 192 4 0.00 0.00 561 571 14.2 -14.6 1011.4 100 FEW 219BKN242 245OVC393 54 53 14.6 0.0 0.653 16.1 96 05/02 12Z 53 50 188 5 0.00 0.00 560 569 13.4 -15.2 1011.3 100 CLR 222SCT241 245OVC391 54 53 15.1 0.0 0.670 15.2 99 05/02 15Z 55 50 193 5 0.00 0.00 559 569 13.0 -15.8 1011.7 100 010SCT016 CLR 251OVC349 55 53 15.1 0.0 0.587 13.7 102 05/02 18Z 60 49 236 8 0.00 0.00 558 568 12.2 -15.9 1012.2 97 011FEW017 CLR 265BKN350 60 52 15.0 0.0 0.510 9.7 105 05/02 21Z 59 49 252 12 0.00 0.00 557 567 11.2 -16.0 1012.1 100 CLR 231FEW241 274OVC374 60 59 15.0 0.0 0.485 9.8 108 05/03 00Z 57 49 265 11 0.00 0.00 557 566 10.7 -16.4 1011.1 100 CLR CLR 264OVC364 60 57 15.0 0.0 0.487 9.6 111 05/03 03Z 53 48 268 8 0.00 0.00 556 566 10.4 -16.9 1011.5 100 015FEW022 231FEW240 251OVC343 57 53 15.0 0.0 0.474 7.8 114 05/03 06Z 53 47 261 9 0.00 0.00 555 565 9.5 -17.1 1011.8 100 013BKN024 230FEW240 249OVC340 57 53 15.0 0.0 0.479 6.2 117 05/03 09Z 54 46 248 9 0.00 0.00 553 563 8.7 -17.0 1011.8 100 005OVC028 222BKN239 239BKN311 54 53 15.0 0.0 0.495 6.3 120 05/03 12Z 53 45 241 7 0.00 0.00 551 561 7.9 -18.6 1011.9 99 005BKN031 222SCT238 242BKN303 54 53 15.0 0.0 0.487 6.0 123 05/03 15Z 54 45 209 5 0.00 0.00 550 561 5.6 -19.3 1013.1 100 011BKN039 210BKN238 238BKN257 54 53 15.0 0.0 0.515 6.0 126 05/03 18Z 57 45 231 5 0.00 0.00 549 560 4.3 -20.7 1013.6 99 012BKN041 202BKN235 238SCT256 57 53 15.0 0.0 0.534 7.0 129 05/03 21Z 61 45 255 10 0.00 0.00 549 560 2.8 -21.1 1013.1 100 031BKN045 178OVC237 237BKN257 61 57 15.0 0.0 0.578 8.5 132 05/04 00Z 60 44 255 12 0.00 0.00 549 560 4.3 -21.4 1012.9 68 032SCT046 172BKN235 237BKN257 61 57 15.0 0.0 0.548 8.3 135 05/04 03Z 55 46 266 7 0.00 0.00 548 560 3.7 -20.0 1014.1 2 CLR 160FEW176 CLR 60 54 15.0 0.0 0.608 7.2 138 05/04 06Z 52 45 235 4 0.00 0.00 547 560 3.6 -20.9 1015.4 0 CLR CLR CLR 60 52 15.0 0.0 0.574 7.0 141 05/04 09Z 51 44 181 5 0.00 0.00 547 559 3.5 -20.9 1015.2 0 CLR FEW CLR 52 51 15.0 0.0 0.502 6.8 144 05/04 12Z 50 43 192 5 0.00 0.00 545 558 2.1 -21.1 1015.7 1 CLR 218FEW227 CLR 52 50 15.0 0.0 0.460 6.5 147 05/04 15Z 53 44 151 5 0.00 0.00 545 558 1.3 -21.6 1016.6 0 CLR CLR CLR 53 49 15.0 0.0 0.494 6.5 150 05/04 18Z 59 42 241 3 0.00 0.00 545 559 1.2 -21.2 1016.8 2 050FEW055 CLR CLR 59 49 15.0 0.0 0.536 7.4 153 05/04 21Z 60 43 287 8 0.00 0.00 546 559 2.5 -19.9 1015.9 70 050BKN069 CLR CLR 61 58 15.0 0.0 0.576 8.5 156 05/05 00Z 60 43 271 9 0.00 0.00 547 559 3.5 -19.4 1014.3 52 050SCT069 CLR 243FEW281 62 58 15.0 0.0 0.579 8.7 159 05/05 03Z 55 45 269 7 0.00 0.00 547 559 4.2 -19.3 1014.6 100 068FEW079 226FEW237 237OVC286 60 55 15.0 0.0 0.600 8.3 162 05/05 06Z 55 45 276 5 0.00 0.00 546 558 3.8 -19.9 1015.1 99 062SCT103 226FEW237 240BKN283 60 54 15.0 0.0 0.646 7.7 165 05/05 09Z 54 45 237 4 0.00 0.00 545 557 3.6 -20.4 1014.0 100 055OVC106 215BKN236 236OVC299 55 54 15.0 0.0 0.655 7.7 168 05/05 12Z 52 44 293 3 0.00 0.00 544 556 3.4 -21.7 1013.7 100 056BKN106 215SCT235 235OVC301 55 52 15.0 0.0 0.613 7.5