Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 30APR 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 04/30 00Z 61 50 281 8 0.00 0.00 560 574 10.2 -12.6 1017.0 0 CLR CLR CLR **** **** 15.0 0.0 0.471 14.8 3 04/30 03Z 54 49 255 5 0.00 0.00 561 574 11.4 -12.2 1016.4 0 CLR CLR CLR 60 54 15.0 0.0 0.439 15.5 6 04/30 06Z 52 49 205 5 0.00 0.00 560 574 12.0 -12.4 1017.1 1 CLR CLR CLR 60 52 13.4 0.0 0.455 15.3 9 04/30 09Z 51 48 222 3 0.00 0.00 560 574 12.4 -12.7 1016.3 10 010FEW015 CLR CLR 52 51 14.0 0.0 0.487 15.8 12 04/30 12Z 51 48 194 3 0.00 0.00 560 573 12.0 -13.0 1015.7 26 009SCT014 CLR CLR 52 51 15.0 0.0 0.538 15.9 15 04/30 15Z 54 49 174 3 0.00 0.00 560 573 11.9 -13.2 1015.8 50 008BKN015 CLR CLR 54 51 15.0 0.0 0.559 15.5 18 04/30 18Z 62 49 256 2 0.00 0.00 561 574 12.4 -13.2 1015.2 25 008SCT015 CLR CLR 63 51 15.0 0.0 0.617 15.6 21 04/30 21Z 67 50 288 8 0.00 0.00 562 574 12.8 -13.0 1013.9 0 CLR CLR CLR 68 63 15.0 0.0 0.668 15.4 24 05/01 00Z 62 49 283 9 0.00 0.00 562 574 13.6 -13.4 1013.4 0 CLR CLR CLR 68 60 15.0 0.0 0.610 16.8 27 05/01 03Z 54 49 258 5 0.00 0.00 562 574 14.4 -13.2 1014.1 0 CLR CLR CLR 62 54 15.0 0.0 0.574 17.0 30 05/01 06Z 53 50 239 4 0.00 0.00 562 574 14.6 -12.0 1014.6 13 009FEW015 CLR CLR 62 52 13.4 0.0 0.551 16.8 33 05/01 09Z 53 49 235 4 0.00 0.00 562 574 14.9 -11.7 1014.1 67 010BKN016 CLR CLR 54 53 15.0 0.0 0.533 17.1 36 05/01 12Z 54 49 211 3 0.00 0.00 562 574 14.7 -12.0 1013.9 73 009BKN017 CLR 337FEW375 54 53 15.0 0.0 0.534 16.6 39 05/01 15Z 55 49 168 4 0.00 0.00 562 573 14.3 -12.4 1014.1 52 011SCT018 CLR 324FEW428 55 52 15.0 0.0 0.538 16.9 42 05/01 18Z 63 50 263 2 0.00 0.00 562 574 14.2 -12.9 1014.2 57 011FEW018 CLR 315SCT428 63 52 15.0 0.0 0.525 15.8 45 05/01 21Z 67 51 279 7 0.00 0.00 562 573 14.1 -13.8 1013.2 99 CLR CLR 274OVC415 67 63 15.1 0.0 0.558 15.8 48 05/02 00Z 61 51 281 8 0.00 0.00 562 572 14.2 -14.1 1012.3 100 CLR CLR 271OVC411 67 60 15.0 0.0 0.542 17.8 51 05/02 03Z 54 50 253 6 0.00 0.00 561 572 14.0 -14.3 1012.7 97 016FEW017 202FEW212 264BKN394 61 54 15.1 0.0 0.531 15.5 54 05/02 06Z 54 50 215 5 0.00 0.00 560 571 13.8 -14.6 1012.8 99 011SCT018 204FEW219 259OVC397 61 54 13.8 0.0 0.522 14.3 57 05/02 09Z 54 49 215 7 0.00 0.00 559 570 13.4 -16.0 1012.5 100 007BKN020 207BKN235 269BKN367 54 53 15.1 0.0 0.543 10.5 60 05/02 12Z 54 49 214 7 0.00 0.00 558 568 12.4 -16.1 1012.1 100 004BKN022 190BKN238 263OVC363 54 53 15.0 0.0 0.567 8.5 63 05/02 15Z 54 48 225 9 0.00 0.00 557 568 11.9 -16.7 1012.8 100 000OVC025 176OVC240 251OVC358 54 53 15.0 0.0 0.534 7.6 66 05/02 18Z 57 48 242 10 0.00 0.00 556 567 10.6 -16.5 1013.3 100 006OVC025 181BKN239 259OVC351 57 53 15.0 0.0 0.469 6.9 69 05/02 21Z 59 48 264 12 0.00 0.00 556 567 10.1 -16.5 1012.7 87 020FEW025 221FEW238 308BKN365 59 57 15.0 0.0 0.457 8.0 72 05/03 00Z 56 48 269 12 0.00 0.00 555 565 9.2 -16.9 1011.8 93 020FEW025 209FEW238 277BKN365 59 56 15.0 0.0 0.490 7.1 75 05/03 03Z 53 48 267 8 0.00 0.00 555 564 9.1 -17.3 1011.6 100 017FEW025 205OVC239 239OVC351 56 53 15.0 0.0 0.488 6.5 78 05/03 06Z 54 47 261 8 0.00 0.00 554 564 9.1 -17.2 1011.7 100 016BKN026 191OVC239 239OVC345 56 53 15.0 0.0 0.517 6.6 81 05/03 09Z 54 47 256 8 0.00 0.00 553 562 8.9 -17.8 1010.8 100 004OVC028 181FEW198 239OVC331 54 53 15.0 0.0 0.509 6.6 84 05/03 12Z 54 46 253 7 0.00 0.00 552 560 8.1 -18.8 1010.2 100 003OVC030 180FEW197 243OVC335 54 53 15.0 0.0 0.501 6.5 87 05/03 15Z 55 47 245 6 0.00 0.00 551 560 7.7 -19.2 1011.1 100 000OVC033 176FEW185 250OVC336 55 54 15.0 0.0 0.495 6.3 90 05/03 18Z 57 46 251 7 0.00 0.00 550 560 6.9 -19.8 1012.0 100 004OVC034 196FEW210 244OVC330 57 54 15.0 0.0 0.539 6.9 93 05/03 21Z 59 47 264 11 0.00 0.00 550 560 6.3 -19.9 1011.7 100 017BKN036 208FEW233 239OVC318 59 57 15.0 0.0 0.550 7.6 96 05/04 00Z 59 47 270 11 0.00 0.00 550 560 6.8 -20.0 1011.0 73 019SCT036 205FEW225 245BKN317 60 57 15.0 0.0 0.577 8.0 99 05/04 03Z 54 47 261 9 0.00 0.00 550 560 6.8 -18.9 1011.8 62 CLR CLR 259BKN306 59 54 15.0 0.0 0.584 7.2 102 05/04 06Z 53 46 248 7 0.00 0.00 549 561 6.3 -18.4 1013.7 38 FEW 217FEW226 257SCT304 59 52 15.0 0.0 0.568 6.5 105 05/04 09Z 52 45 238 6 0.00 0.00 549 561 7.0 -18.8 1013.4 58 024FEW031 199SCT237 270FEW295 53 52 15.0 0.0 0.619 6.5 108 05/04 12Z 54 45 232 7 0.00 0.00 549 560 4.4 -18.7 1013.7 78 022SCT039 195BKN237 241BKN311 54 52 15.0 0.0 0.703 6.5 111 05/04 15Z 55 45 226 6 0.00 0.00 549 562 5.4 -18.4 1014.7 100 024OVC044 169OVC230 244BKN311 55 54 15.0 0.0 0.690 6.8 114 05/04 18Z 58 45 255 6 0.00 0.00 549 563 4.1 -17.8 1015.8 100 029BKN044 162BKN234 241BKN322 58 54 15.0 0.0 0.729 7.4 117 05/04 21Z 62 46 262 9 0.00 0.00 551 563 3.1 -17.7 1015.2 100 038FEW045 144BKN232 257OVC321 62 59 15.0 0.0 0.800 8.6 120 05/05 00Z 60 46 269 11 0.00 0.00 552 564 5.1 -17.0 1014.4 90 062FEW075 138BKN224 268BKN329 62 59 15.0 0.0 0.868 8.3 123 05/05 03Z 55 47 275 7 0.00 0.00 552 565 5.4 -15.5 1015.1 100 091FEW119 133BKN228 242BKN353 59 55 15.0 0.0 0.890 7.7 126 05/05 06Z 55 48 261 3 0.00 0.00 553 566 6.0 -14.9 1015.6 100 072SCT111 126OVC190 243SCT353 59 55 15.0 0.0 0.916 7.8 129 05/05 09Z 55 48 285 3 0.00 0.00 553 566 6.3 -15.2 1015.4 100 070OVC117 119SCT144 317SCT374 55 55 15.0 0.0 0.903 7.8 132 05/05 12Z 55 48 276 4 0.00 0.00 554 566 6.0 -14.7 1014.7 100 063OVC114 119FEW144 320SCT370 55 55 15.0 0.0 0.956 7.8 135 05/05 15Z 55 49 263 3 0.00 0.00 554 567 5.4 -14.5 1016.3 100 036BKN109 231FEW241 289BKN368 55 54 15.0 0.0 1.037 7.4 138 05/05 18Z 60 49 274 4 0.00 0.00 555 569 6.1 -15.5 1016.1 87 029BKN092 CLR 290SCT366 60 54 15.0 0.0 1.064 8.3 141 05/05 21Z 63 50 288 9 0.00 0.00 557 570 7.3 -15.3 1015.7 46 047SCT057 161FEW177 296FEW312 63 60 15.0 0.0 1.062 9.8 144 05/06 00Z 61 50 282 11 0.00 0.00 558 570 7.4 -14.6 1015.2 37 047SCT056 161FEW177 286FEW314 63 60 15.0 0.0 1.029 9.6 147 05/06 03Z 55 50 274 7 0.00 0.00 558 572 8.0 -14.2 1016.3 0 CLR CLR CLR 60 55 15.0 0.0 0.941 9.1 150 05/06 06Z 53 51 273 4 0.00 0.00 559 574 9.4 -14.3 1017.4 0 CLR CLR CLR 60 53 15.0 0.0 0.959 9.6 153 05/06 09Z 53 50 259 3 0.00 0.00 559 574 10.0 -14.5 1017.5 11 011FEW015 CLR 304FEW324 53 53 15.0 0.0 0.957 9.7 156 05/06 12Z 54 50 257 4 0.00 0.00 559 574 10.2 -14.6 1017.9 33 010SCT019 CLR 295FEW319 54 52 15.1 0.0 1.018 9.6 159 05/06 15Z 55 50 243 3 0.00 0.00 560 576 10.5 -13.8 1019.0 80 010BKN021 CLR CLR 55 54 15.0 0.0 1.017 10.9 162 05/06 18Z 61 51 282 7 0.00 0.00 561 577 10.9 -13.1 1019.5 67 011BKN022 CLR CLR 61 54 15.0 0.0 0.975 9.8 165 05/06 21Z 62 51 283 9 0.00 0.00 562 578 11.6 -12.5 1019.3 3 022FEW026 CLR CLR 62 61 15.0 0.0 1.013 11.9 168 05/07 00Z 60 51 282 9 0.00 0.00 563 578 12.2 -12.2 1018.7 1 021FEW026 CLR CLR 62 60 15.0 0.0 0.977 12.9