Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 4MAY 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 05/04 00Z 60 47 255 10 0.00 0.00 551 561 4.0 -19.5 1012.1 31 000SCT000 CLR CLR **** **** 15.0 0.0 0.572 8.5 3 05/04 03Z 55 48 255 7 0.00 0.00 550 561 4.0 -20.3 1013.5 27 038SCT044 CLR CLR 60 55 15.0 0.0 0.557 8.0 6 05/04 06Z 52 47 208 3 0.00 0.00 550 562 4.8 -19.6 1013.8 13 037FEW044 CLR CLR 60 52 15.0 0.0 0.591 8.0 9 05/04 09Z 51 46 176 4 0.00 0.00 549 560 3.8 -20.1 1014.2 0 CLR CLR CLR 52 51 15.0 0.0 0.655 7.7 12 05/04 12Z 51 45 161 4 0.00 0.00 548 560 4.2 -20.2 1014.3 25 CLR CLR 245SCT289 52 50 15.0 0.0 0.641 7.5 15 05/04 15Z 54 45 169 3 0.00 0.00 548 560 4.6 -20.5 1014.8 99 FEW 222FEW237 238BKN284 54 50 15.0 0.0 0.586 7.4 18 05/04 18Z 60 43 252 6 0.00 0.00 548 561 2.5 -20.2 1015.3 86 064FEW068 203SCT237 238BKN285 60 50 15.0 0.0 0.687 8.1 21 05/04 21Z 62 44 270 9 0.00 0.00 549 561 2.9 -19.5 1014.7 100 066SCT074 161OVC234 238BKN300 62 60 15.0 0.0 0.798 9.0 24 05/05 00Z 59 45 263 9 0.00 0.00 548 560 4.5 -19.4 1013.7 100 067FEW081 151OVC230 237BKN305 62 59 15.0 0.0 0.849 8.5 27 05/05 03Z 55 48 269 6 0.00 0.00 549 561 4.3 -18.3 1013.5 100 045SCT113 118OVC238 238OVC312 59 55 15.0 0.0 0.864 7.9 30 05/05 06Z 53 49 270 5 0.00 0.00 550 562 5.1 -17.0 1014.2 100 049SCT108 125OVC228 248BKN326 59 53 15.0 0.0 0.896 7.7 33 05/05 09Z 52 51 258 3 0.25 0.00 550 561 2.6 -16.6 1014.3 100 RA 030BKN105 119OVC234 238OVC345 53 52 3.3 0.0 1.010 6.7 36 05/05 12Z 52 50 265 6 0.20 0.01 550 562 2.9 -16.6 1014.1 100 RA 015BKN112 125OVC222 255BKN336 53 51 8.3 0.0 1.011 6.5 39 05/05 15Z 52 50 228 5 0.07 0.01 551 564 3.0 -16.8 1015.3 100 -RA 000OVC118 138BKN215 254BKN293 52 52 10.4 0.0 0.998 6.4 42 05/05 18Z 53 50 213 3 0.03 0.01 553 566 3.9 -16.9 1016.2 100 -RA 000OVC103 139BKN213 258BKN299 53 52 14.2 0.0 0.997 6.5 45 05/05 21Z 56 50 243 2 0.01 0.00 554 568 5.1 -15.6 1016.5 100 -RA 000OVC070 137FEW157 243FEW275 56 53 15.0 0.0 0.931 6.9 48 05/06 00Z 58 50 287 4 0.00 0.00 556 570 5.3 -15.3 1015.7 100 -RA 010OVC062 137FEW158 243FEW276 58 53 15.0 0.0 0.891 7.9 51 05/06 03Z 54 50 285 4 0.00 0.00 558 572 6.5 -14.3 1016.7 65 027BKN038 CLR CLR 58 54 15.0 0.0 0.859 8.5 54 05/06 06Z 55 50 262 4 0.00 0.00 559 574 9.2 -13.2 1017.6 74 025BKN043 CLR CLR 58 54 15.0 0.0 1.015 9.4 57 05/06 09Z 52 50 252 3 0.00 0.00 560 575 9.1 -12.8 1018.2 29 045SCT051 128FEW148 CLR 54 52 15.0 0.0 1.036 9.2 60 05/06 12Z 52 50 216 2 0.00 0.00 560 575 9.4 -12.8 1018.2 18 037FEW043 128FEW145 CLR 54 52 15.0 0.0 1.010 9.7 63 05/06 15Z 55 51 246 2 0.00 0.00 561 577 10.3 -12.5 1019.2 16 006FEW015 CLR CLR 55 52 15.0 0.0 0.977 10.2 66 05/06 18Z 62 52 272 3 0.00 0.00 563 579 12.5 -12.1 1019.1 17 009FEW016 CLR CLR 62 52 15.0 0.0 0.926 10.6 69 05/06 21Z 65 52 286 9 0.00 0.00 564 580 14.1 -12.0 1018.6 1 030FEW033 CLR CLR 65 62 15.0 0.0 0.890 12.1 72 05/07 00Z 60 51 273 9 0.00 0.00 565 580 15.6 -11.7 1018.1 1 CLR CLR CLR 66 60 15.0 0.0 0.848 13.5 75 05/07 03Z 55 51 269 5 0.00 0.00 565 581 16.4 -11.8 1018.5 0 CLR CLR CLR 60 55 15.0 0.0 0.779 13.9 78 05/07 06Z 54 50 252 4 0.00 0.00 565 581 16.3 -11.6 1019.0 14 011FEW018 CLR CLR 60 53 14.5 0.0 0.698 14.8 81 05/07 09Z 53 49 258 4 0.00 0.00 565 581 16.3 -11.4 1018.8 61 011BKN018 CLR CLR 54 53 15.0 0.0 0.602 15.4 84 05/07 12Z 53 49 258 4 0.00 0.00 565 580 16.1 -11.4 1018.8 73 008BKN019 CLR CLR 54 53 15.0 0.0 0.561 15.5 87 05/07 15Z 54 49 253 3 0.00 0.00 565 581 15.6 -11.3 1019.6 89 000BKN020 CLR CLR 54 53 15.0 0.0 0.495 15.5 90 05/07 18Z 61 49 281 4 0.00 0.00 566 581 15.8 -10.9 1018.7 65 007BKN020 CLR CLR 61 53 15.0 0.0 0.415 16.7 93 05/07 21Z 62 50 288 9 0.00 0.00 566 581 16.1 -10.9 1018.3 0 CLR CLR CLR 63 61 15.0 0.0 0.368 17.1 96 05/08 00Z 59 49 283 9 0.00 0.00 566 581 15.6 -9.9 1017.9 0 CLR CLR CLR 63 58 15.0 0.0 0.361 16.8 99 05/08 03Z 54 49 273 6 0.00 0.00 566 581 15.8 -10.0 1018.4 2 CLR CLR 378FEW390 59 54 15.0 0.0 0.353 16.8 102 05/08 06Z 51 49 253 4 0.00 0.00 566 581 16.0 -10.2 1018.9 12 011FEW015 CLR 374FEW391 59 51 13.9 0.0 0.365 16.6 105 05/08 09Z 53 49 259 7 0.00 0.00 565 581 15.1 -10.1 1018.7 72 009BKN018 CLR 353SCT401 53 51 14.5 0.0 0.425 14.2 108 05/08 12Z 51 49 248 5 0.00 0.00 564 580 14.3 -10.4 1018.7 81 009BKN018 CLR 328BKN389 53 51 15.0 0.0 0.449 14.7 111 05/08 15Z 54 48 237 5 0.00 0.00 563 580 13.6 -11.1 1019.3 82 008BKN018 233FEW243 388FEW408 54 51 15.0 0.0 0.446 14.5 114 05/08 18Z 61 48 257 6 0.00 0.00 563 579 13.7 -10.3 1019.2 46 009SCT018 CLR 388FEW409 61 52 15.0 0.0 0.450 14.0 117 05/08 21Z 65 49 251 6 0.00 0.00 565 580 14.8 -11.2 1017.9 0 CLR CLR CLR 64 61 15.0 0.0 0.452 13.7 120 05/09 00Z 64 50 248 6 0.00 0.00 566 580 14.6 -12.3 1016.6 0 CLR CLR CLR 66 61 15.0 0.0 0.540 16.2 123 05/09 03Z 57 50 211 4 0.00 0.00 567 581 15.5 -12.8 1016.2 0 CLR CLR CLR 64 57 15.0 0.0 0.515 18.4 126 05/09 06Z 54 50 171 5 0.00 0.00 568 581 16.8 -12.1 1015.9 0 CLR CLR CLR 64 54 15.0 0.0 0.523 19.3 129 05/09 09Z 53 50 160 2 0.00 0.00 568 581 16.4 -11.3 1014.6 0 CLR CLR CLR 54 53 14.9 0.0 0.504 20.6 132 05/09 12Z 53 50 153 0 0.00 0.00 569 580 16.3 -10.7 1014.2 0 CLR CLR CLR 54 53 15.0 0.0 0.512 19.8 135 05/09 15Z 59 51 296 1 0.00 0.00 569 581 17.2 -11.2 1014.6 0 CLR CLR CLR 59 53 15.0 0.0 0.444 19.2 138 05/09 18Z 70 50 316 5 0.00 0.00 569 581 18.0 -10.9 1013.9 0 CLR CLR CLR 70 53 15.0 0.0 0.394 18.4 141 05/09 21Z 75 51 293 8 0.00 0.00 571 581 17.1 -10.2 1012.4 0 CLR CLR CLR 75 70 15.0 0.0 0.442 21.3 144 05/10 00Z 69 51 294 8 0.00 0.00 572 581 18.3 -9.0 1010.9 0 CLR CLR CLR 76 66 15.0 0.0 0.433 23.7 147 05/10 03Z 60 50 247 4 0.00 0.00 573 582 19.5 -7.9 1011.0 0 CLR CLR CLR 69 60 15.0 0.0 0.516 24.1 150 05/10 06Z 56 49 199 3 0.00 0.00 573 583 20.4 -7.6 1011.2 0 CLR CLR CLR 69 56 15.0 0.0 0.477 25.2 153 05/10 09Z 55 49 176 3 0.00 0.00 574 583 20.6 -8.1 1010.6 2 CLR CLR 362FEW376 56 55 15.0 0.0 0.486 25.4 156 05/10 12Z 56 49 177 1 0.00 0.00 574 583 20.9 -8.9 1010.6 7 CLR CLR 363FEW400 57 55 15.0 0.0 0.496 23.8 159 05/10 15Z 63 50 17 0 0.00 0.00 573 583 20.4 -8.9 1011.4 10 CLR CLR 380FEW400 63 56 15.0 0.0 0.468 22.8 162 05/10 18Z 75 51 335 3 0.00 0.00 574 584 20.4 -8.3 1011.2 19 CLR CLR 360FEW394 75 56 15.0 0.0 0.442 22.1 165 05/10 21Z 81 51 316 5 0.00 0.00 576 585 19.5 -8.5 1010.7 22 CLR CLR 386FEW430 81 75 15.0 0.0 0.463 24.8 168 05/11 00Z 74 52 295 8 0.00 0.00 576 585 19.9 -8.1 1010.1 21 CLR CLR 372FEW423 83 72 15.0 0.0 0.516 26.0