Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 21MAR 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 03/21 00Z 80 53 301 5 0.00 0.00 576 585 22.3 -9.7 1011.1 0 CLR CLR CLR **** **** 15.0 0.0 0.510 25.1 3 03/21 03Z 66 53 308 4 0.00 0.00 574 584 21.4 -9.8 1011.6 0 CLR CLR CLR 81 66 15.0 0.0 0.557 25.0 6 03/21 06Z 62 51 293 3 0.00 0.00 573 584 20.8 -10.2 1013.0 2 CLR CLR 358FEW382 81 62 15.0 0.0 0.551 24.5 9 03/21 09Z 60 50 269 1 0.00 0.00 571 582 20.5 -10.4 1012.8 100 CLR CLR 315OVC394 62 60 15.0 0.0 0.530 24.3 12 03/21 12Z 56 51 300 4 0.00 0.00 570 581 20.1 -10.3 1012.6 100 CLR CLR 302OVC392 62 56 15.0 0.0 0.540 22.1 15 03/21 15Z 57 51 266 3 0.00 0.00 568 580 19.0 -11.0 1014.2 100 CLR CLR 292OVC385 57 55 15.0 0.0 0.522 20.7 18 03/21 18Z 66 52 290 4 0.00 0.00 568 581 18.6 -11.1 1015.4 100 CLR CLR 286OVC389 66 55 15.0 0.0 0.492 19.5 21 03/21 21Z 70 52 269 7 0.00 0.00 568 581 18.1 -11.1 1015.0 100 CLR CLR 302OVC393 70 66 15.2 0.0 0.575 19.0 24 03/22 00Z 66 52 242 6 0.00 0.00 568 580 17.4 -10.9 1014.2 100 CLR CLR 314OVC386 71 66 15.0 0.0 0.640 19.5 27 03/22 03Z 57 48 218 5 0.00 0.00 568 580 17.4 -11.5 1014.7 74 CLR CLR 278BKN341 66 57 15.0 0.0 0.562 20.0 30 03/22 06Z 53 47 204 4 0.00 0.00 567 580 18.3 -11.5 1015.6 37 CLR CLR 278SCT341 66 53 15.0 0.0 0.409 18.9 33 03/22 09Z 51 46 184 5 0.00 0.00 567 580 17.8 -11.3 1015.0 0 CLR CLR CLR 53 51 15.0 0.0 0.324 18.1 36 03/22 12Z 50 46 182 2 0.00 0.00 567 579 16.4 -11.2 1014.8 32 CLR CLR 273SCT357 53 50 15.0 0.0 0.435 16.7 39 03/22 15Z 53 46 283 1 0.00 0.00 566 579 15.5 -10.9 1015.3 91 CLR 226FEW245 280BKN381 53 50 15.0 0.0 0.594 16.7 42 03/22 18Z 63 48 294 5 0.00 0.00 566 580 14.6 -10.8 1016.0 63 CLR 219FEW246 281BKN360 63 50 15.0 0.0 0.657 17.0 45 03/22 21Z 67 50 290 7 0.00 0.00 568 580 16.3 -9.9 1014.2 9 CLR 217FEW235 378FEW389 68 63 15.0 0.0 0.723 18.5 48 03/23 00Z 62 48 278 8 0.00 0.00 567 579 15.6 -9.1 1013.7 7 CLR CLR 383FEW400 68 61 15.0 0.0 0.680 18.5 51 03/23 03Z 53 47 255 5 0.00 0.00 567 580 16.0 -8.9 1015.2 68 CLR CLR 292BKN410 62 53 15.0 0.0 0.586 18.0 54 03/23 06Z 51 46 234 5 0.00 0.00 567 581 15.7 -8.7 1016.3 84 CLR CLR 286BKN413 62 51 15.0 0.0 0.645 17.4 57 03/23 09Z 50 45 223 5 0.00 0.00 567 581 15.1 -8.6 1016.4 71 CLR CLR 283BKN362 52 50 15.0 0.0 0.702 17.6 60 03/23 12Z 50 46 209 4 0.00 0.00 567 581 14.7 -7.9 1016.5 84 CLR 235FEW246 311BKN394 52 50 15.0 0.0 0.761 17.5 63 03/23 15Z 51 47 181 5 0.00 0.00 567 581 13.9 -8.1 1017.2 96 CLR 212FEW232 285BKN416 51 50 15.0 0.0 0.832 17.7 66 03/23 18Z 60 47 211 3 0.00 0.00 568 583 13.6 -7.7 1017.6 66 CLR 212FEW233 309BKN417 60 50 15.0 0.0 0.902 17.4 69 03/23 21Z 64 43 283 7 0.00 0.00 568 583 13.3 -8.0 1017.3 33 CLR CLR 336SCT414 65 60 15.0 0.0 0.854 16.5 72 03/24 00Z 61 42 283 6 0.00 0.00 569 582 14.3 -7.6 1016.5 27 CLR CLR 349SCT415 65 60 15.0 0.0 0.830 16.2 75 03/24 03Z 54 43 263 4 0.00 0.00 569 583 15.2 -7.9 1017.0 56 CLR CLR 373BKN416 61 54 15.0 0.0 0.722 16.6 78 03/24 06Z 52 45 203 3 0.00 0.00 569 583 14.9 -7.0 1017.7 39 CLR CLR 374SCT415 61 52 15.0 0.0 0.634 16.9 81 03/24 09Z 51 44 175 4 0.00 0.00 568 583 15.2 -6.8 1017.7 16 CLR CLR 377FEW414 52 51 15.0 0.0 0.438 17.0 84 03/24 12Z 51 43 183 1 0.00 0.00 568 582 15.1 -7.8 1017.4 10 CLR CLR 377FEW411 52 50 15.0 0.0 0.408 17.1 87 03/24 15Z 52 44 171 2 0.00 0.00 567 582 14.3 -8.0 1018.4 0 CLR CLR CLR 52 50 15.0 0.0 0.383 16.7 90 03/24 18Z 63 42 294 4 0.00 0.00 567 583 14.3 -8.1 1019.1 0 CLR CLR CLR 63 50 15.0 0.0 0.376 16.3 93 03/24 21Z 68 40 282 6 0.00 0.00 568 583 14.1 -8.7 1018.2 2 CLR CLR 365FEW378 68 63 15.0 0.0 0.407 16.0 96 03/25 00Z 65 41 273 7 0.00 0.00 568 582 14.5 -9.4 1017.1 2 CLR CLR 364FEW378 69 63 15.0 0.0 0.469 16.7 99 03/25 03Z 55 44 284 5 0.00 0.00 567 582 14.7 -9.6 1018.2 2 CLR CLR 366FEW377 65 55 15.0 0.0 0.479 15.8 102 03/25 06Z 53 45 215 2 0.00 0.00 567 582 14.9 -10.3 1018.6 4 CLR CLR 372FEW389 65 53 15.0 0.0 0.483 16.8 105 03/25 09Z 52 48 210 2 0.00 0.00 566 581 14.8 -10.5 1018.0 44 CLR CLR 342SCT377 53 52 15.0 0.0 0.709 16.2 108 03/25 12Z 52 48 197 1 0.00 0.00 566 580 14.0 -10.6 1017.6 37 CLR CLR 344SCT379 53 52 15.0 0.0 0.755 16.0 111 03/25 15Z 54 49 181 3 0.00 0.00 565 580 13.2 -11.0 1018.1 18 CLR CLR 368FEW409 54 52 15.0 0.0 0.840 15.3 114 03/25 18Z 63 52 259 4 0.00 0.00 565 580 13.6 -10.8 1018.5 14 CLR CLR 366FEW406 63 52 15.0 0.0 0.748 14.8 117 03/25 21Z 63 52 267 9 0.00 0.00 565 580 13.6 -11.0 1017.7 24 CLR CLR 355FEW381 65 63 15.2 0.0 0.684 14.6 120 03/26 00Z 59 50 270 8 0.00 0.00 564 578 13.2 -11.2 1017.0 33 CLR CLR 353SCT390 65 59 15.0 0.0 0.560 15.3 123 03/26 03Z 53 47 231 4 0.00 0.00 564 578 13.3 -11.2 1017.1 100 CLR CLR 326OVC397 59 53 15.0 0.0 0.434 16.0 126 03/26 06Z 51 45 219 3 0.00 0.00 564 578 13.9 -11.5 1017.2 74 CLR CLR 326BKN386 59 51 15.0 0.0 0.337 16.0 129 03/26 09Z 49 43 190 3 0.00 0.00 563 577 14.1 -11.1 1016.9 63 CLR CLR 340BKN401 51 49 15.0 0.0 0.370 16.3 132 03/26 12Z 49 43 171 3 0.00 0.00 562 576 14.0 -11.8 1016.4 81 CLR CLR 322BKN395 51 49 15.0 0.0 0.383 15.6 135 03/26 15Z 50 43 167 2 0.00 0.00 562 576 13.7 -12.5 1017.3 100 CLR CLR 313OVC405 50 48 15.0 0.0 0.345 13.9 138 03/26 18Z 61 43 302 2 0.00 0.00 562 576 13.4 -12.9 1017.3 85 CLR CLR 319BKN411 61 48 15.0 0.0 0.368 13.3 141 03/26 21Z 67 43 304 7 0.00 0.00 563 576 12.7 -12.9 1015.7 20 CLR CLR 341FEW407 68 61 15.0 0.0 0.382 15.2 144 03/27 00Z 63 45 281 8 0.00 0.00 563 576 13.4 -13.3 1014.8 24 CLR CLR 330FEW407 68 60 15.0 0.0 0.385 15.9 147 03/27 03Z 54 45 275 3 0.00 0.00 563 576 13.5 -13.6 1015.2 100 CLR CLR 313OVC404 63 54 15.0 0.0 0.415 16.2 150 03/27 06Z 53 45 214 2 0.00 0.00 564 576 13.4 -12.5 1015.2 100 CLR CLR 293OVC399 63 53 15.0 0.0 0.404 16.8 153 03/27 09Z 53 45 235 1 0.00 0.00 563 576 13.2 -12.8 1015.4 100 CLR CLR 247OVC402 54 53 15.0 0.0 0.376 16.7 156 03/27 12Z 53 44 339 1 0.00 0.00 562 575 13.6 -13.4 1015.0 97 CLR 222FEW240 259BKN380 54 52 15.0 0.0 0.392 15.6 159 03/27 15Z 54 44 45 1 0.00 0.00 562 576 13.4 -13.3 1015.8 16 CLR CLR 318FEW348 54 52 15.0 0.0 0.413 15.3 162 03/27 18Z 65 44 302 4 0.00 0.00 562 576 13.2 -13.1 1016.4 26 CLR CLR 316SCT365 65 52 15.0 0.0 0.401 15.4 165 03/27 21Z 68 45 298 7 0.00 0.00 564 577 13.5 -12.2 1015.2 95 CLR 227FEW244 299BKN379 68 64 15.0 0.0 0.386 15.9 168 03/28 00Z 63 45 295 7 0.00 0.00 564 576 13.3 -11.9 1014.4 96 CLR 221SCT244 273BKN363 69 63 15.0 0.0 0.367 17.3