Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 17MAR 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 03/17 12Z 61 51 91 2 0.00 0.00 576 589 19.5 -6.2 1015.1 5 CLR CLR 000FEW000 **** **** 15.0 0.0 0.521 23.6 3 03/17 15Z 61 52 45 1 0.00 0.00 576 589 19.9 -6.8 1016.0 4 CLR CLR 413FEW430 61 60 15.0 0.0 0.496 23.1 6 03/17 18Z 72 56 357 1 0.00 0.00 576 590 19.7 -6.7 1016.4 3 CLR CLR 413FEW429 72 60 15.0 0.0 0.512 22.8 9 03/17 21Z 79 57 314 2 0.00 0.00 577 590 20.1 -6.7 1015.1 14 CLR CLR 438FEW450 79 72 15.0 0.0 0.500 23.0 12 03/18 00Z 80 55 343 4 0.00 0.00 578 589 20.7 -6.6 1013.2 15 CLR CLR 428FEW449 81 72 15.0 0.0 0.486 24.0 15 03/18 03Z 68 54 301 3 0.00 0.00 578 590 20.8 -7.0 1013.9 51 CLR CLR 414BKN449 81 68 15.0 0.0 0.461 23.6 18 03/18 06Z 64 55 76 1 0.00 0.00 577 590 20.6 -7.0 1015.3 28 CLR CLR 414SCT449 81 64 15.0 0.0 0.442 23.9 21 03/18 09Z 62 55 103 2 0.00 0.00 576 590 19.9 -6.5 1015.8 6 CLR CLR 426FEW447 64 62 15.0 0.0 0.460 23.3 24 03/18 12Z 61 54 36 2 0.00 0.00 576 589 19.5 -6.7 1015.7 5 CLR CLR 429FEW448 64 61 15.0 0.0 0.465 22.8 27 03/18 15Z 61 54 76 2 0.00 0.00 575 589 19.0 -6.8 1016.6 5 CLR CLR 437FEW453 62 60 15.0 0.0 0.459 22.2 30 03/18 18Z 73 57 353 1 0.00 0.00 575 590 19.3 -7.0 1017.6 21 CLR CLR 438FEW461 73 60 15.0 0.0 0.449 22.8 33 03/18 21Z 78 58 286 3 0.00 0.00 575 590 19.5 -6.9 1017.1 7 CLR CLR 438FEW462 79 73 15.0 0.0 0.461 22.8 36 03/19 00Z 75 56 291 7 0.00 0.00 575 589 19.7 -7.3 1016.2 6 CLR CLR 437FEW460 80 73 15.0 0.0 0.445 22.9 39 03/19 03Z 65 53 306 3 0.00 0.00 575 590 19.6 -7.7 1017.1 0 CLR CLR CLR 75 65 15.0 0.0 0.464 23.0 42 03/19 06Z 63 52 304 1 0.00 0.00 575 590 19.7 -7.9 1018.1 0 CLR CLR CLR 75 63 15.0 0.0 0.465 22.9 45 03/19 09Z 62 52 38 1 0.00 0.00 574 590 19.4 -8.9 1018.8 0 CLR CLR CLR 63 62 15.0 0.0 0.439 23.1 48 03/19 12Z 60 51 10 2 0.00 0.00 574 589 19.0 -9.2 1018.4 0 CLR CLR CLR 63 60 15.0 0.0 0.443 22.4 51 03/19 15Z 61 52 91 2 0.00 0.00 574 590 19.8 -9.2 1019.1 0 CLR CLR CLR 61 59 15.0 0.0 0.462 22.8 54 03/19 18Z 72 57 326 2 0.00 0.00 574 591 19.9 -8.6 1019.4 0 CLR CLR CLR 72 59 15.0 0.0 0.520 22.3 57 03/19 21Z 78 57 330 3 0.00 0.00 575 591 20.6 -8.7 1018.1 0 CLR CLR CLR 78 72 15.0 0.0 0.538 22.1 60 03/20 00Z 79 56 317 6 0.00 0.00 576 590 21.2 -8.8 1016.2 1 CLR CLR CLR 81 72 15.0 0.0 0.564 23.3 63 03/20 03Z 68 53 306 2 0.00 0.00 576 590 21.9 -8.7 1016.0 0 CLR CLR CLR 79 68 15.0 0.0 0.544 23.1 66 03/20 06Z 65 54 96 1 0.00 0.00 576 590 21.9 -8.3 1015.9 1 CLR CLR CLR 79 64 15.0 0.0 0.540 23.7 69 03/20 09Z 64 54 122 3 0.00 0.00 576 589 21.9 -8.5 1015.3 4 CLR CLR 380FEW406 65 63 15.0 0.0 0.517 24.3 72 03/20 12Z 62 54 56 2 0.00 0.00 575 588 21.5 -8.7 1014.7 4 CLR CLR 379FEW407 65 62 15.0 0.0 0.531 23.9 75 03/20 15Z 62 54 83 2 0.00 0.00 575 587 21.2 -9.1 1014.7 6 CLR CLR 391FEW412 62 61 15.0 0.0 0.502 23.7 78 03/20 18Z 74 55 354 1 0.00 0.00 575 587 21.3 -9.5 1014.7 13 CLR CLR 389FEW412 74 61 15.0 0.0 0.487 23.7 81 03/20 21Z 79 54 305 5 0.00 0.00 575 587 20.8 -9.5 1013.4 0 CLR CLR CLR 80 74 15.0 0.0 0.491 23.3 84 03/21 00Z 75 54 288 7 0.00 0.00 575 585 20.5 -9.6 1012.0 0 CLR CLR CLR 80 74 15.2 0.0 0.508 23.5 87 03/21 03Z 61 51 298 5 0.00 0.00 573 584 20.6 -9.8 1012.4 0 CLR CLR CLR 75 61 15.0 0.0 0.512 23.5 90 03/21 06Z 58 48 222 2 0.00 0.00 573 583 20.3 -9.9 1012.7 5 CLR CLR 342FEW390 75 58 15.0 0.0 0.442 23.8 93 03/21 09Z 56 50 247 3 0.00 0.00 571 582 19.5 -10.3 1012.8 98 CLR CLR 298BKN390 58 56 15.1 0.0 0.509 22.9 96 03/21 12Z 55 52 241 4 0.00 0.00 569 580 18.9 -11.0 1012.7 99 CLR CLR 282OVC385 58 55 14.7 0.0 0.539 21.6 99 03/21 15Z 55 52 214 3 0.00 0.00 568 579 18.1 -11.3 1013.4 100 CLR 236FEW245 249OVC397 55 54 14.9 0.0 0.518 20.4 102 03/21 18Z 61 52 232 3 0.00 0.00 566 578 17.6 -12.0 1014.2 100 CLR 235FEW245 257OVC386 61 53 15.1 0.0 0.572 18.7 105 03/21 21Z 65 53 260 7 0.00 0.00 565 577 16.4 -12.7 1013.9 100 CLR 235FEW244 254OVC369 66 62 15.2 0.0 0.637 17.3 108 03/22 00Z 63 51 229 6 0.00 0.00 565 576 15.9 -12.8 1012.9 96 CLR 234FEW244 259BKN337 66 62 15.0 0.0 0.641 17.8 111 03/22 03Z 55 47 198 6 0.00 0.00 564 576 15.7 -13.3 1013.9 98 CLR 222FEW244 246BKN322 62 55 15.0 0.0 0.621 18.9 114 03/22 06Z 52 45 199 5 0.00 0.00 563 576 15.0 -13.5 1014.8 82 CLR 218SCT244 245BKN305 62 52 15.0 0.0 0.628 17.1 117 03/22 09Z 49 44 184 5 0.00 0.00 563 575 14.6 -12.8 1015.0 0 CLR CLR CLR 52 49 15.0 0.0 0.262 16.6 120 03/22 12Z 48 44 167 4 0.00 0.00 563 575 12.2 -12.8 1014.7 36 CLR CLR 323SCT375 52 48 15.0 0.0 0.410 14.5 123 03/22 15Z 50 43 354 0 0.00 0.00 562 575 12.1 -13.0 1015.5 28 CLR CLR 362SCT382 50 47 15.0 0.0 0.407 14.7 126 03/22 18Z 62 44 319 4 0.00 0.00 563 576 12.5 -12.6 1015.4 31 CLR CLR 344SCT379 63 47 15.0 0.0 0.387 13.9 129 03/22 21Z 69 47 316 6 0.00 0.00 564 576 13.2 -12.4 1013.6 2 CLR CLR FEW 69 62 15.0 0.0 0.404 16.3 132 03/23 00Z 63 48 294 8 0.00 0.00 565 575 12.9 -12.6 1012.6 1 CLR CLR 371FEW382 71 61 15.0 0.0 0.391 18.4 135 03/23 03Z 56 48 307 3 0.00 0.00 566 576 14.8 -12.9 1012.6 9 CLR CLR 387FEW406 64 56 15.0 0.0 0.355 17.9 138 03/23 06Z 55 47 246 2 0.00 0.00 567 577 14.9 -11.5 1012.6 25 CLR CLR 328SCT369 64 54 15.0 0.0 0.302 18.4 141 03/23 09Z 53 47 173 1 0.00 0.00 567 577 14.8 -10.5 1012.7 37 CLR CLR 334SCT356 55 53 15.0 0.0 0.331 18.6 144 03/23 12Z 53 47 267 1 0.00 0.00 566 577 14.9 -11.1 1012.5 69 CLR CLR 308BKN391 55 53 15.0 0.0 0.360 17.9 147 03/23 15Z 54 47 290 2 0.00 0.00 566 577 14.7 -11.4 1013.0 100 CLR 235FEW245 303OVC375 55 53 15.0 0.0 0.382 17.5 150 03/23 18Z 61 49 282 5 0.00 0.00 565 577 14.2 -11.3 1014.4 100 CLR 217SCT245 298OVC371 61 52 15.0 0.0 0.418 16.9 153 03/23 21Z 63 48 293 8 0.00 0.00 564 576 13.9 -10.7 1013.8 100 CLR 193OVC245 258OVC402 64 61 15.0 0.0 0.505 16.8 156 03/24 00Z 58 47 287 8 0.00 0.00 563 575 13.8 -9.9 1013.9 100 CLR 176OVC245 251OVC417 64 57 15.0 0.0 0.563 16.5 159 03/24 03Z 55 47 269 3 0.00 0.00 564 575 13.7 -9.9 1014.3 100 115FEW121 131BKN245 247OVC433 58 54 15.0 0.0 0.677 16.7 162 03/24 06Z 51 46 223 3 0.00 0.00 563 576 14.1 -10.9 1015.5 100 115FEW121 140BKN240 259OVC414 58 51 15.0 0.0 0.641 17.1 165 03/24 09Z 50 45 252 2 0.00 0.00 562 576 12.5 -11.1 1016.3 98 111FEW121 185SCT221 308BKN394 51 50 15.0 0.0 0.705 15.8 168 03/24 12Z 50 44 167 2 0.00 0.00 562 575 12.5 -10.6 1016.1 89 CLR 185SCT216 321BKN387 51 50 15.0 0.0 0.770 15.6