Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 23APR 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 04/23 00Z 60 49 296 9 0.00 0.00 547 565 3.6 -19.0 1021.0 20 000FEW000 CLR CLR **** **** 15.0 0.0 0.677 8.4 3 04/23 03Z 55 49 301 5 0.00 0.00 548 565 4.3 -19.5 1021.0 7 045FEW051 CLR CLR 61 55 15.0 0.0 0.597 9.4 6 04/23 06Z 53 49 309 4 0.00 0.00 548 566 5.0 -19.7 1021.7 5 045FEW051 CLR 309FEW321 61 53 15.0 0.0 0.528 9.5 9 04/23 09Z 52 47 354 2 0.00 0.00 549 566 5.2 -19.6 1020.9 2 CLR CLR 300FEW316 53 52 15.0 0.0 0.494 9.4 12 04/23 12Z 50 46 31 2 0.00 0.00 548 565 4.6 -19.1 1020.5 1 CLR CLR CLR 53 50 15.0 0.0 0.507 9.2 15 04/23 15Z 53 47 21 1 0.00 0.00 550 566 5.6 -17.9 1020.2 3 CLR CLR 354FEW366 54 50 15.0 0.0 0.432 9.2 18 04/23 18Z 61 48 285 3 0.00 0.00 552 568 6.1 -17.2 1019.6 4 CLR CLR 341FEW361 62 49 15.0 0.0 0.494 9.4 21 04/23 21Z 64 45 294 9 0.00 0.00 553 568 6.3 -17.1 1017.9 9 CLR CLR 322FEW365 64 61 15.0 0.0 0.511 11.2 24 04/24 00Z 61 45 282 9 0.00 0.00 554 568 7.8 -16.9 1016.0 53 CLR CLR 291BKN374 65 59 15.0 0.0 0.461 11.5 27 04/24 03Z 53 45 270 6 0.00 0.00 554 568 8.6 -17.0 1016.1 100 CLR CLR 264OVC349 61 53 15.0 0.0 0.410 11.8 30 04/24 06Z 51 46 256 4 0.00 0.00 554 567 8.9 -17.0 1016.1 100 CLR 229FEW240 262OVC356 61 51 15.0 0.0 0.432 11.0 33 04/24 09Z 51 47 240 3 0.00 0.00 554 566 8.8 -17.0 1014.9 100 015FEW017 214OVC240 241OVC363 51 51 15.0 0.0 0.472 10.2 36 04/24 12Z 51 46 228 3 0.00 0.00 552 564 8.5 -17.4 1014.1 97 014FEW021 207BKN238 248BKN337 52 50 15.0 0.0 0.479 8.8 39 04/24 15Z 53 46 210 3 0.00 0.00 551 563 8.3 -17.2 1014.1 100 015SCT020 176OVC235 239FEW249 53 51 15.0 0.0 0.506 7.2 42 04/24 18Z 57 46 231 4 0.00 0.00 550 562 7.9 -17.6 1014.0 100 015SCT021 158OVC231 238FEW248 57 51 15.0 0.0 0.544 7.2 45 04/24 21Z 61 47 263 10 0.00 0.00 551 562 7.0 -18.2 1013.1 100 CLR 136OVC235 238BKN265 61 57 15.0 0.0 0.631 8.8 48 04/25 00Z 58 47 263 12 0.00 0.00 551 561 7.7 -17.5 1012.0 72 CLR 138BKN229 238BKN266 61 57 15.0 0.0 0.647 7.8 51 04/25 03Z 52 46 265 8 0.00 0.00 551 561 7.0 -16.3 1012.2 6 CLR 125FEW147 CLR 58 52 15.0 0.0 0.605 6.4 54 04/25 06Z 51 45 256 6 0.00 0.00 551 561 7.3 -15.8 1012.3 24 011FEW029 125FEW143 CLR 58 51 15.0 0.0 0.560 5.9 57 04/25 09Z 53 46 248 6 0.00 0.00 551 560 7.1 -15.1 1011.5 91 009BKN033 CLR 328SCT352 53 51 15.0 0.0 0.523 5.7 60 04/25 12Z 52 47 251 7 0.00 0.00 549 559 6.0 -15.6 1011.0 95 006BKN035 CLR 294BKN359 53 51 15.0 0.0 0.586 5.8 63 04/25 15Z 53 47 253 6 0.00 0.00 549 558 4.5 -16.5 1010.9 100 -RA 000OVC042 FEW 247OVC355 53 52 15.0 0.0 0.659 5.9 66 04/25 18Z 55 47 260 8 0.01 0.01 548 557 2.0 -17.8 1011.2 100 -RA 004OVC044 198FEW219 242OVC349 55 52 15.0 0.0 0.712 6.2 69 04/25 21Z 56 47 260 10 0.01 0.01 547 556 2.5 -19.0 1010.6 100 -RA 014OVC051 191OVC222 239OVC318 56 55 15.0 0.0 0.739 6.7 72 04/26 00Z 56 46 256 12 0.00 0.00 547 555 2.4 -19.4 1009.8 100 023BKN049 167OVC228 238OVC324 56 55 15.0 0.0 0.739 6.5 75 04/26 03Z 52 45 258 9 0.00 0.00 547 555 1.4 -19.2 1010.4 100 027SCT036 137BKN236 236OVC338 56 52 15.0 0.0 0.724 5.8 78 04/26 06Z 52 46 240 8 0.00 0.00 547 556 1.0 -19.4 1010.8 100 032BKN044 142BKN237 237OVC338 56 52 15.0 0.0 0.684 6.4 81 04/26 09Z 52 46 224 6 0.00 0.00 547 556 1.4 -19.0 1010.7 100 -RA 027BKN052 164OVC237 237BKN334 52 52 15.0 0.0 0.658 6.0 84 04/26 12Z 51 46 192 4 0.00 0.00 547 557 1.3 -18.8 1011.1 100 -RA 015BKN054 178BKN237 238BKN329 52 51 15.0 0.0 0.745 5.9 87 04/26 15Z 52 46 164 5 0.00 0.00 547 558 1.3 -19.0 1012.7 100 004OVC061 CLR CLR 52 51 15.0 0.0 0.661 6.0 90 04/26 18Z 56 45 181 5 0.00 0.00 548 559 2.2 -19.5 1013.4 100 004OVC061 CLR CLR 56 51 15.0 0.0 0.626 6.4 93 04/26 21Z 58 47 241 9 0.00 0.00 548 560 2.8 -19.2 1013.6 100 017OVC063 CLR CLR 59 56 15.0 0.0 0.628 7.7 96 04/27 00Z 58 46 272 10 0.00 0.00 548 560 2.7 -19.2 1013.2 82 027BKN060 CLR CLR 61 56 15.0 0.0 0.574 7.9 99 04/27 03Z 53 45 274 7 0.00 0.00 548 560 3.3 -19.2 1014.2 11 040FEW046 CLR 280FEW290 59 53 15.0 0.0 0.556 7.1 102 04/27 06Z 51 46 278 5 0.00 0.00 548 561 3.5 -19.3 1015.0 5 040FEW046 CLR CLR 59 51 15.0 0.0 0.591 7.0 105 04/27 09Z 50 45 264 4 0.00 0.00 548 561 3.3 -19.2 1015.6 1 CLR CLR CLR 51 50 15.0 0.0 0.614 6.1 108 04/27 12Z 50 44 239 3 0.00 0.00 547 560 4.1 -19.9 1015.7 4 CLR 214FEW232 238FEW274 51 50 15.0 0.0 0.595 5.6 111 04/27 15Z 53 44 214 3 0.00 0.00 547 561 3.6 -20.1 1016.9 13 026FEW031 CLR 272FEW296 53 49 15.0 0.0 0.574 5.5 114 04/27 18Z 58 43 268 5 0.00 0.00 548 562 3.8 -19.9 1017.4 10 029FEW035 CLR 273FEW297 58 49 15.0 0.0 0.553 6.7 117 04/27 21Z 60 43 282 11 0.00 0.00 549 563 4.2 -19.5 1017.0 3 FEW CLR CLR 60 58 15.0 0.0 0.549 7.7 120 04/28 00Z 59 43 278 10 0.00 0.00 550 563 6.0 -18.7 1015.8 2 FEW CLR CLR 60 58 15.0 0.0 0.503 7.8 123 04/28 03Z 53 44 286 7 0.00 0.00 550 564 6.1 -18.3 1016.6 0 CLR CLR CLR 58 52 15.0 0.0 0.538 7.3 126 04/28 06Z 50 45 290 4 0.00 0.00 550 564 7.0 -18.6 1016.9 0 CLR CLR CLR 59 50 15.0 0.0 0.491 8.6 129 04/28 09Z 50 45 247 3 0.00 0.00 550 564 7.1 -18.5 1017.0 3 CLR CLR 281FEW303 50 49 15.0 0.0 0.445 8.4 132 04/28 12Z 49 44 192 2 0.00 0.00 550 564 6.8 -18.1 1016.6 2 CLR CLR 285FEW307 50 49 15.0 0.0 0.432 8.2 135 04/28 15Z 52 46 149 4 0.00 0.00 551 565 6.9 -17.4 1017.1 0 CLR CLR CLR 53 48 15.0 0.0 0.421 9.8 138 04/28 18Z 60 46 263 3 0.00 0.00 551 566 6.6 -17.0 1017.4 0 CLR CLR CLR 60 48 15.0 0.0 0.453 9.1 141 04/28 21Z 64 47 284 9 0.00 0.00 553 566 7.7 -17.2 1016.2 0 CLR CLR CLR 64 60 15.0 0.0 0.474 10.8 144 04/29 00Z 61 48 269 10 0.00 0.00 553 566 8.3 -16.7 1015.3 0 CLR CLR CLR 64 59 15.0 0.0 0.538 11.3 147 04/29 03Z 54 48 255 7 0.00 0.00 552 565 7.9 -17.2 1016.6 2 CLR CLR FEW 61 54 15.0 0.0 0.618 10.4 150 04/29 06Z 52 48 254 4 0.00 0.00 551 565 7.9 -17.6 1017.1 46 016FEW021 216FEW239 270SCT307 61 52 15.0 0.0 0.753 10.2 153 04/29 09Z 52 48 265 3 0.00 0.00 550 564 7.9 -18.3 1017.0 86 026SCT037 156BKN204 241FEW294 53 52 15.0 0.0 0.821 10.0 156 04/29 12Z 53 48 256 3 0.00 0.00 550 564 8.3 -19.1 1016.8 82 057BKN078 156SCT203 244FEW292 53 51 15.0 0.0 0.753 8.0 159 04/29 15Z 54 47 270 5 0.00 0.00 550 564 7.3 -18.7 1017.4 79 031BKN052 CLR CLR 55 53 15.0 0.0 0.746 6.5 162 04/29 18Z 58 47 258 6 0.00 0.00 550 565 7.4 -17.6 1017.4 82 029BKN050 CLR CLR 58 53 15.0 0.0 0.737 7.4 165 04/29 21Z 60 48 283 12 0.00 0.00 552 566 8.0 -17.4 1016.3 24 071FEW091 CLR CLR 61 58 15.0 0.0 0.716 8.6 168 04/30 00Z 58 48 271 13 0.00 0.00 553 566 8.1 -17.0 1015.4 13 072FEW091 CLR CLR 61 58 15.0 0.0 0.687 8.1