Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 28MAR 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 03/28 00Z 74 45 299 6 0.00 0.00 567 578 16.3 -15.5 1012.7 5 CLR 000FEW000 CLR **** **** 15.0 0.0 0.452 19.4 3 03/28 03Z 58 47 298 5 0.00 0.00 566 578 16.3 -15.9 1013.5 22 CLR 203FEW225 253FEW266 74 58 15.0 0.0 0.457 19.3 6 03/28 06Z 57 46 256 3 0.00 0.00 566 578 16.3 -16.5 1014.5 50 CLR 198SCT239 245SCT297 74 56 15.0 0.0 0.457 18.9 9 03/28 09Z 54 45 258 1 0.00 0.00 565 577 15.6 -16.4 1014.9 84 CLR 189BKN243 252BKN308 57 54 15.0 0.0 0.408 18.8 12 03/28 12Z 53 44 287 2 0.00 0.00 564 576 15.6 -16.4 1015.1 51 CLR 191SCT241 252SCT306 57 53 15.0 0.0 0.381 18.5 15 03/28 15Z 55 46 134 1 0.00 0.00 563 577 14.8 -16.3 1016.2 2 CLR 206FEW215 CLR 55 51 15.0 0.0 0.363 18.1 18 03/28 18Z 65 46 306 5 0.00 0.00 563 577 14.8 -15.9 1016.7 1 CLR CLR CLR 65 51 15.0 0.0 0.369 17.5 21 03/28 21Z 70 47 301 7 0.00 0.00 564 577 15.2 -15.4 1015.6 16 CLR CLR 380FEW410 70 65 15.0 0.0 0.370 17.8 24 03/29 00Z 68 45 306 9 0.00 0.00 564 576 15.1 -15.3 1014.2 43 CLR CLR 359SCT415 71 65 15.0 0.0 0.391 19.3 27 03/29 03Z 58 44 330 4 0.00 0.00 564 576 15.6 -15.2 1014.0 65 CLR CLR 357BKN416 68 58 15.0 0.0 0.361 20.0 30 03/29 06Z 58 44 308 1 0.00 0.00 564 576 15.4 -15.0 1014.6 36 CLR CLR 357SCT415 68 58 15.0 0.0 0.435 19.5 33 03/29 09Z 57 43 79 1 0.00 0.00 563 575 15.2 -15.1 1013.9 37 CLR CLR 370SCT413 58 57 15.0 0.0 0.499 19.6 36 03/29 12Z 57 42 106 2 0.00 0.00 563 574 15.1 -15.0 1013.5 55 CLR CLR 359BKN405 58 56 15.0 0.0 0.557 19.3 39 03/29 15Z 59 45 116 2 0.00 0.00 562 574 14.6 -15.2 1014.3 10 CLR 228FEW242 300FEW315 59 56 15.0 0.0 0.606 19.2 42 03/29 18Z 70 48 302 2 0.00 0.00 562 575 14.5 -14.9 1014.8 41 CLR 225FEW238 317SCT387 70 56 15.0 0.0 0.599 18.8 45 03/29 21Z 72 49 295 7 0.00 0.00 563 575 14.7 -14.6 1014.1 75 CLR CLR 286BKN361 72 69 15.0 0.0 0.562 18.9 48 03/30 00Z 69 47 286 6 0.00 0.00 563 574 15.0 -14.5 1012.5 85 CLR CLR 268BKN370 73 68 15.0 0.0 0.554 20.0 51 03/30 03Z 59 45 256 4 0.00 0.00 562 573 14.6 -14.0 1013.2 100 CLR CLR 260OVC424 69 58 15.0 0.0 0.487 19.6 54 03/30 06Z 56 44 196 3 0.00 0.00 562 573 14.5 -14.0 1013.5 100 CLR CLR 256OVC426 69 56 15.0 0.0 0.442 19.5 57 03/30 09Z 54 45 209 3 0.00 0.00 560 572 14.1 -15.0 1013.9 100 CLR CLR 243OVC414 56 54 15.0 0.0 0.351 18.2 60 03/30 12Z 53 45 185 3 0.00 0.00 559 571 13.3 -15.3 1013.8 100 CLR 221SCT242 242OVC414 56 53 15.0 0.0 0.341 17.7 63 03/30 15Z 54 46 225 4 0.00 0.00 558 570 12.3 -16.8 1014.9 100 CLR 203OVC241 241BKN381 54 52 15.0 0.0 0.522 16.7 66 03/30 18Z 60 46 243 3 0.00 0.00 557 571 11.6 -16.5 1015.6 100 CLR 175BKN242 254BKN367 60 52 15.0 0.0 0.791 15.9 69 03/30 21Z 63 46 280 7 0.00 0.00 557 570 11.0 -16.5 1015.3 100 104FEW115 127OVC241 252BKN355 64 60 15.0 0.0 0.876 15.3 72 03/31 00Z 59 45 273 6 0.00 0.00 557 569 10.5 -15.2 1014.4 95 106FEW116 124BKN240 260BKN357 64 59 15.0 0.0 0.886 14.9 75 03/31 03Z 53 44 250 5 0.00 0.00 556 569 9.9 -15.7 1015.3 100 CLR 144BKN192 305OVC411 59 53 15.0 0.0 0.932 14.1 78 03/31 06Z 52 43 242 4 0.00 0.00 555 568 9.6 -16.3 1015.7 100 100FEW120 173BKN216 271OVC419 59 52 15.0 0.0 0.952 13.3 81 03/31 09Z 51 43 224 4 0.00 0.00 554 568 9.3 -16.3 1016.1 100 101FEW120 127BKN209 240OVC426 52 51 15.0 0.0 0.927 12.5 84 03/31 12Z 51 43 254 4 0.00 0.00 553 566 8.9 -16.8 1015.2 100 097FEW119 136BKN221 240OVC424 52 51 15.0 0.0 0.960 11.5 87 03/31 15Z 52 43 245 3 0.00 0.00 552 565 8.2 -16.4 1016.1 100 071SCT119 122OVC217 240OVC420 52 50 15.0 0.0 0.916 11.1 90 03/31 18Z 55 41 270 5 0.00 0.00 551 566 7.4 -16.8 1017.1 100 073FEW118 124OVC227 240OVC418 55 50 15.0 0.0 0.885 10.0 93 03/31 21Z 55 43 281 8 0.00 0.00 551 565 6.3 -16.7 1017.4 100 092FEW108 123OVC239 239OVC418 56 55 15.0 0.0 0.953 9.0 96 04/01 00Z 55 43 297 6 0.00 0.00 551 564 6.6 -17.0 1015.7 100 088FEW112 130OVC239 239OVC415 56 55 15.0 0.0 0.938 9.5 99 04/01 03Z 53 44 270 3 0.00 0.00 550 563 6.3 -17.6 1015.9 100 053BKN118 130OVC239 239OVC412 55 52 15.0 0.0 0.934 9.7 102 04/01 06Z 51 44 268 5 0.00 0.00 548 563 5.8 -18.8 1017.6 100 054BKN119 127OVC233 246OVC403 55 51 15.0 0.0 0.904 8.6 105 04/01 09Z 49 44 268 3 0.00 0.00 549 563 6.6 -18.6 1017.2 83 060SCT114 136SCT166 319BKN384 51 49 15.0 0.0 0.792 8.0 108 04/01 12Z 50 44 254 2 0.00 0.00 550 564 5.6 -15.2 1017.5 68 067SCT109 135FEW163 332BKN394 51 48 15.0 0.0 0.745 7.9 111 04/01 15Z 51 45 186 1 0.00 0.00 551 566 5.8 -15.1 1018.4 100 072SCT096 CLR 325OVC405 51 48 15.0 0.0 0.709 8.0 114 04/01 18Z 58 46 227 1 0.00 0.00 552 568 5.6 -14.9 1018.6 100 073FEW095 CLR 322OVC400 59 48 15.0 0.0 0.753 8.1 117 04/01 21Z 62 49 273 8 0.00 0.00 554 568 6.1 -14.4 1017.4 81 082FEW094 CLR 312BKN359 62 58 15.0 0.0 0.808 9.9 120 04/02 00Z 60 50 284 10 0.00 0.00 554 568 6.2 -13.3 1015.8 84 080FEW089 CLR 317BKN378 63 58 15.0 0.0 0.790 10.2 123 04/02 03Z 55 50 270 6 0.00 0.00 553 568 5.3 -13.5 1017.3 90 049FEW060 CLR 329BKN391 60 55 15.0 0.0 0.788 9.0 126 04/02 06Z 54 50 212 4 0.00 0.00 554 568 5.3 -13.5 1017.5 73 033SCT051 CLR 333SCT391 60 53 15.0 0.0 0.801 9.1 129 04/02 09Z 55 50 201 3 0.00 0.00 554 568 4.2 -14.2 1017.2 98 011BKN049 CLR 368FEW403 55 54 15.0 0.0 0.899 8.8 132 04/02 12Z 52 50 285 5 0.02 0.01 553 567 3.0 -13.9 1017.1 96 -RA 011BKN052 CLR 372FEW399 55 52 15.1 0.0 0.828 7.5 135 04/02 15Z 52 45 294 11 0.00 0.00 551 567 1.8 -13.9 1019.0 87 017BKN053 CLR 366BKN409 52 51 15.0 0.0 0.568 5.6 138 04/02 18Z 54 37 291 11 0.00 0.00 552 568 4.2 -14.6 1019.5 86 017SCT053 CLR 358BKN404 55 51 15.0 0.0 0.309 4.4 141 04/02 21Z 57 38 269 11 0.00 0.00 553 568 2.3 -14.4 1018.7 99 CLR CLR 338OVC387 57 54 15.0 0.0 0.305 6.4 144 04/03 00Z 57 40 270 11 0.00 0.00 554 568 3.4 -14.5 1017.3 76 CLR CLR 338BKN386 57 54 15.0 0.0 0.367 7.3 147 04/03 03Z 50 42 224 2 0.00 0.00 555 569 3.9 -14.8 1017.4 69 CLR CLR 347BKN374 57 50 15.0 0.0 0.385 8.6 150 04/03 06Z 48 42 145 2 0.00 0.00 556 570 3.8 -14.4 1017.3 38 CLR CLR 348SCT375 56 48 15.0 0.0 0.339 9.7 153 04/03 09Z 48 41 32 2 0.00 0.00 556 570 5.4 -14.6 1016.9 0 CLR CLR CLR 48 47 15.0 0.0 0.312 9.8 156 04/03 12Z 47 39 137 2 0.00 0.00 555 569 6.5 -14.8 1016.8 0 CLR CLR CLR 48 46 15.0 0.0 0.254 8.6 159 04/03 15Z 49 33 63 1 0.00 0.00 555 570 7.1 -15.3 1017.9 0 CLR CLR CLR 50 46 15.0 0.0 0.228 7.7 162 04/03 18Z 61 31 39 8 0.00 0.00 556 571 7.5 -15.4 1017.9 0 CLR CLR CLR 61 46 15.0 0.0 0.231 8.6 165 04/03 21Z 66 37 29 5 0.00 0.00 557 571 7.1 -15.3 1016.5 0 CLR CLR CLR 66 61 15.0 0.0 0.291 12.1 168 04/04 00Z 66 40 292 9 0.00 0.00 558 571 7.6 -15.3 1015.2 0 CLR CLR CLR 69 61 15.0 0.0 0.324 14.2