Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 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 00Z 58 47 274 9 0.00 0.00 552 562 8.1 -18.0 1012.2 4 CLR 000FEW000 CLR **** **** 15.0 0.0 0.449 8.1 3 04/25 03Z 52 47 259 8 0.00 0.00 552 562 7.9 -18.1 1012.6 11 019FEW026 184FEW200 CLR 58 52 15.0 0.0 0.447 6.3 6 04/25 06Z 53 46 254 6 0.00 0.00 552 562 8.4 -17.8 1012.2 47 010SCT029 CLR 302FEW340 58 52 15.0 0.0 0.452 6.2 9 04/25 09Z 53 45 242 8 0.00 0.00 551 561 8.0 -17.9 1011.8 99 014BKN029 CLR 274BKN340 53 53 15.0 0.0 0.463 5.8 12 04/25 12Z 52 46 250 6 0.00 0.00 550 560 7.6 -18.4 1011.3 100 010BKN031 215FEW238 255BKN352 53 52 15.0 0.0 0.498 5.7 15 04/25 15Z 53 46 241 6 0.00 0.00 550 559 7.1 -19.0 1011.5 100 004OVC036 180OVC238 238OVC352 53 52 15.0 0.0 0.532 5.9 18 04/25 18Z 56 46 252 9 0.00 0.00 548 558 5.3 -19.5 1011.9 100 009OVC038 171OVC237 244OVC329 56 52 15.0 0.0 0.581 6.3 21 04/25 21Z 57 46 260 11 0.00 0.00 547 557 1.8 -20.5 1011.2 100 020OVC045 166BKN231 242BKN318 57 56 15.0 0.0 0.591 6.9 24 04/26 00Z 55 44 247 11 0.00 0.00 546 555 1.2 -20.4 1010.3 100 024BKN046 166OVC233 245OVC322 57 55 15.0 0.0 0.599 6.6 27 04/26 03Z 53 45 241 9 0.00 0.00 546 555 1.0 -19.7 1010.2 100 -RA 021BKN050 171OVC236 236OVC327 55 53 15.0 0.0 0.637 6.2 30 04/26 06Z 53 45 221 9 0.00 0.00 546 555 1.3 -20.1 1010.4 100 -RA 022BKN051 159OVC236 238OVC327 55 53 15.0 0.0 0.685 6.5 33 04/26 09Z 53 47 203 9 0.00 0.00 547 555 1.4 -19.6 1010.1 100 -RA 016BKN055 155BKN236 285BKN329 53 53 15.0 0.0 0.680 6.7 36 04/26 12Z 52 47 166 6 0.01 0.01 546 555 1.6 -19.1 1010.3 100 -RA 016BKN058 174BKN236 258BKN314 53 51 15.0 0.0 0.719 6.6 39 04/26 15Z 53 47 172 6 0.01 0.01 546 555 1.5 -19.7 1011.4 96 -RA 012BKN061 118FEW124 296FEW322 53 51 15.0 0.0 0.586 6.6 42 04/26 18Z 56 46 254 8 0.01 0.01 546 556 1.8 -20.0 1012.5 94 -RA 012BKN062 CLR 290FEW315 56 51 15.0 0.0 0.610 6.5 45 04/26 21Z 59 44 273 12 0.00 0.00 546 557 1.3 -20.2 1013.1 46 052SCT062 CLR 254FEW309 59 56 15.0 0.0 0.544 7.3 48 04/27 00Z 57 43 274 12 0.00 0.00 545 556 2.1 -20.8 1013.4 26 052FEW062 CLR 257FEW300 59 56 15.0 0.0 0.517 6.9 51 04/27 03Z 53 44 279 8 0.00 0.00 545 557 3.0 -21.6 1014.4 0 CLR CLR CLR 57 53 15.0 0.0 0.489 6.1 54 04/27 06Z 53 42 273 7 0.00 0.00 545 557 2.8 -21.1 1015.2 29 027SCT042 CLR CLR 57 51 15.0 0.0 0.500 5.8 57 04/27 09Z 53 43 271 7 0.00 0.00 544 557 3.1 -21.7 1015.8 100 023OVC043 CLR CLR 54 53 15.0 0.0 0.508 5.5 60 04/27 12Z 54 41 275 6 0.00 0.00 543 556 1.6 -21.9 1015.9 100 021OVC044 CLR CLR 54 53 15.0 0.0 0.489 5.5 63 04/27 15Z 52 44 296 6 0.00 0.00 544 558 2.7 -21.5 1017.2 100 022OVC046 CLR CLR 54 52 15.0 0.0 0.470 5.5 66 04/27 18Z 57 44 275 7 0.00 0.00 545 561 2.8 -19.2 1018.3 79 026BKN046 CLR CLR 57 52 15.0 0.0 0.491 6.0 69 04/27 21Z 58 44 285 7 0.00 0.00 548 563 3.2 -17.9 1018.7 60 035BKN047 CLR CLR 58 56 15.0 0.0 0.504 6.9 72 04/28 00Z 58 46 287 9 0.00 0.00 550 565 4.5 -17.1 1017.8 31 035SCT047 CLR CLR 60 56 15.0 0.0 0.507 7.9 75 04/28 03Z 53 47 279 6 0.00 0.00 552 567 5.8 -17.0 1018.4 0 CLR CLR CLR 58 53 15.0 0.0 0.512 9.4 78 04/28 06Z 51 47 259 3 0.00 0.00 553 569 5.6 -16.7 1019.3 0 CLR CLR CLR 58 51 15.0 0.0 0.506 10.0 81 04/28 09Z 51 47 171 3 0.00 0.00 553 569 6.1 -17.0 1019.4 0 CLR CLR CLR 51 50 15.0 0.0 0.477 10.3 84 04/28 12Z 50 47 160 5 0.00 0.00 553 569 6.3 -16.8 1019.3 0 CLR CLR CLR 51 50 15.0 0.0 0.465 10.5 87 04/28 15Z 53 48 141 3 0.00 0.00 553 570 6.6 -16.3 1020.7 0 CLR CLR CLR 54 49 15.0 0.0 0.448 10.4 90 04/28 18Z 62 49 278 2 0.00 0.00 554 571 6.8 -16.1 1020.4 2 CLR CLR 356FEW383 62 49 15.0 0.0 0.447 10.4 93 04/28 21Z 66 48 293 7 0.00 0.00 556 572 7.4 -16.0 1018.8 10 FEW CLR 361FEW373 66 62 15.0 0.0 0.447 12.7 96 04/29 00Z 64 48 289 10 0.00 0.00 557 572 9.2 -15.7 1017.4 9 FEW CLR 351FEW371 67 62 15.0 0.0 0.455 13.1 99 04/29 03Z 55 48 269 6 0.00 0.00 557 572 9.0 -14.8 1018.2 89 CLR CLR 274BKN318 64 55 15.0 0.0 0.495 13.3 102 04/29 06Z 53 46 238 3 0.00 0.00 557 573 9.4 -15.0 1018.5 93 CLR CLR 263BKN309 64 53 15.0 0.0 0.423 13.8 105 04/29 09Z 52 46 192 4 0.00 0.00 557 572 10.1 -14.8 1017.7 5 CLR 232FEW242 242FEW253 53 52 15.0 0.0 0.348 13.7 108 04/29 12Z 50 46 188 1 0.00 0.00 557 572 9.9 -14.6 1017.3 3 CLR CLR 242FEW254 53 50 15.0 0.0 0.339 13.6 111 04/29 15Z 54 47 188 3 0.00 0.00 557 572 9.8 -14.4 1017.8 0 CLR CLR CLR 54 50 15.0 0.0 0.354 13.2 114 04/29 18Z 63 46 268 3 0.00 0.00 558 572 9.7 -14.4 1017.3 0 CLR CLR CLR 63 50 15.0 0.0 0.347 12.7 117 04/29 21Z 66 45 285 10 0.00 0.00 558 572 10.1 -14.0 1016.0 3 CLR CLR 404FEW416 67 63 15.0 0.0 0.331 13.1 120 04/30 00Z 61 46 274 8 0.00 0.00 559 571 10.8 -13.2 1015.0 2 CLR CLR 368FEW382 67 60 15.0 0.0 0.298 14.2 123 04/30 03Z 53 47 254 6 0.00 0.00 558 571 11.2 -12.8 1015.2 3 CLR CLR 303FEW322 61 53 15.0 0.0 0.326 13.3 126 04/30 06Z 51 48 222 5 0.00 0.00 558 571 11.3 -13.1 1015.6 3 014FEW017 CLR 303FEW322 61 51 15.0 0.0 0.350 12.5 129 04/30 09Z 52 48 226 6 0.00 0.00 558 570 11.3 -13.3 1015.0 44 012SCT019 CLR CLR 52 51 15.0 0.0 0.367 10.3 132 04/30 12Z 53 47 224 6 0.00 0.00 558 570 11.1 -13.0 1014.4 68 012BKN021 CLR CLR 53 51 15.0 0.0 0.421 7.7 135 04/30 15Z 54 47 201 6 0.00 0.00 558 570 10.5 -13.1 1014.7 99 015OVC025 CLR CLR 54 53 15.0 0.0 0.507 7.4 138 04/30 18Z 60 48 232 6 0.00 0.00 559 571 10.6 -13.3 1014.5 66 015BKN025 CLR CLR 60 53 15.0 0.0 0.551 9.1 141 04/30 21Z 62 49 259 11 0.00 0.00 560 572 11.2 -13.5 1013.7 21 CLR CLR 246FEW279 63 60 15.0 0.0 0.546 11.1 144 05/01 00Z 59 49 256 9 0.00 0.00 561 572 11.9 -12.9 1012.9 12 CLR CLR 246FEW277 63 59 15.0 0.0 0.562 12.4 147 05/01 03Z 54 48 223 7 0.00 0.00 562 573 12.5 -12.8 1012.9 0 CLR CLR CLR 59 54 15.0 0.0 0.533 13.6 150 05/01 06Z 52 48 190 7 0.00 0.00 563 574 13.3 -13.2 1013.8 6 014FEW020 CLR CLR 59 52 15.0 0.0 0.486 12.6 153 05/01 09Z 52 47 211 6 0.00 0.00 562 574 13.3 -12.6 1013.9 36 014SCT020 CLR CLR 53 52 15.0 0.0 0.387 10.4 156 05/01 12Z 50 46 210 6 0.00 0.00 562 574 12.7 -12.2 1014.0 23 014FEW020 CLR CLR 53 50 15.0 0.0 0.321 9.8 159 05/01 15Z 53 45 212 5 0.00 0.00 562 575 12.7 -11.9 1015.0 7 017FEW019 CLR CLR 53 49 15.0 0.0 0.303 8.2 162 05/01 18Z 58 45 199 4 0.00 0.00 563 576 13.2 -12.0 1015.0 8 017FEW022 CLR 355FEW371 58 49 15.0 0.0 0.320 8.2 165 05/01 21Z 64 46 270 8 0.00 0.00 563 576 13.0 -12.1 1014.7 39 CLR CLR 319SCT398 64 58 15.0 0.0 0.335 10.6 168 05/02 00Z 60 47 274 8 0.00 0.00 564 575 13.6 -12.6 1013.8 30 CLR CLR 314SCT392 64 58 15.0 0.0 0.317 12.5