Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 15AUG 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 08/15 00Z 64 55 266 11 0.00 0.00 568 582 14.7 -9.5 1016.3 4 000FEW000 CLR CLR **** **** 15.0 0.0 0.740 12.1 3 08/15 03Z 59 55 261 6 0.00 0.00 568 582 15.6 -9.7 1016.7 28 016SCT024 CLR CLR 64 58 15.1 0.0 0.688 11.6 6 08/15 06Z 60 54 258 6 0.00 0.00 568 583 16.0 -9.6 1017.9 62 009BKN027 CLR CLR 64 58 14.6 0.0 0.703 10.9 9 08/15 09Z 59 55 253 5 0.00 0.00 567 582 16.0 -9.8 1017.8 98 000BKN028 CLR CLR 60 59 15.0 0.0 0.722 11.3 12 08/15 12Z 58 54 252 4 0.00 0.00 567 582 15.6 -9.9 1017.8 97 000BKN027 CLR CLR 60 58 15.0 0.0 0.726 11.9 15 08/15 15Z 59 54 253 4 0.00 0.00 567 583 15.4 -9.7 1019.5 92 000BKN026 CLR CLR 59 58 15.0 0.0 0.731 12.7 18 08/15 18Z 63 54 274 5 0.00 0.00 568 584 15.6 -9.1 1020.0 90 000BKN026 CLR CLR 63 58 15.0 0.0 0.721 13.9 21 08/15 21Z 67 54 279 9 0.00 0.00 569 585 16.3 -9.1 1019.7 24 007FEW024 CLR 378FEW413 67 63 15.0 0.0 0.714 15.8 24 08/16 00Z 64 54 274 8 0.00 0.00 569 585 16.6 -8.9 1018.8 35 007FEW024 CLR 324FEW404 67 63 15.0 0.0 0.759 17.9 27 08/16 03Z 58 54 267 4 0.00 0.00 570 585 17.4 -8.9 1018.5 46 CLR CLR 297SCT390 64 58 14.5 0.0 0.689 19.0 30 08/16 06Z 56 54 230 3 0.00 0.00 570 586 17.8 -8.9 1019.1 34 009FEW014 CLR 300SCT385 64 56 13.4 0.0 0.746 19.3 33 08/16 09Z 55 53 252 2 0.00 0.00 570 586 17.7 -8.5 1018.9 5 008FEW012 CLR CLR 56 55 13.4 0.0 0.730 19.5 36 08/16 12Z 54 52 248 2 0.00 0.00 570 586 17.4 -8.7 1018.6 18 006FEW013 CLR CLR 56 54 13.5 0.0 0.691 19.5 39 08/16 15Z 58 53 236 1 0.00 0.00 570 586 18.0 -8.7 1018.9 34 000SCT012 CLR 398FEW431 58 54 15.0 0.0 0.690 20.3 42 08/16 18Z 68 54 291 5 0.00 0.00 571 587 17.8 -8.0 1019.4 19 000FEW012 CLR 408FEW435 68 54 15.0 0.0 0.725 19.5 45 08/16 21Z 74 54 290 8 0.00 0.00 572 588 18.3 -7.7 1018.2 39 CLR CLR 396SCT439 74 68 15.0 0.0 0.701 20.7 48 08/17 00Z 68 54 290 10 0.00 0.00 573 588 19.0 -7.8 1016.8 48 CLR CLR 381SCT437 74 67 15.0 0.0 0.696 21.3 51 08/17 03Z 60 54 289 5 0.00 0.00 573 588 19.0 -7.4 1016.9 31 CLR CLR 403SCT432 68 60 15.1 0.0 0.636 21.1 54 08/17 06Z 57 54 261 3 0.00 0.00 573 588 19.7 -7.6 1017.6 66 CLR CLR 343BKN408 68 57 15.0 0.0 0.663 21.2 57 08/17 09Z 56 53 256 2 0.00 0.00 573 588 19.7 -8.1 1017.0 70 CLR CLR 290BKN350 57 56 15.0 0.0 0.684 22.0 60 08/17 12Z 55 53 280 4 0.00 0.00 573 587 19.1 -8.9 1017.4 84 CLR CLR 287BKN367 57 55 14.7 0.0 0.643 19.9 63 08/17 15Z 58 54 285 3 0.00 0.00 572 587 19.7 -9.7 1018.2 57 000FEW009 CLR 309BKN362 58 54 14.9 0.0 0.633 19.9 66 08/17 18Z 68 54 288 3 0.00 0.00 573 588 20.2 -9.5 1017.5 79 007FEW011 CLR 284BKN383 68 54 15.0 0.0 0.618 20.9 69 08/17 21Z 70 54 289 10 0.00 0.00 574 588 20.1 -8.4 1016.8 5 CLR CLR 340FEW367 72 68 15.0 0.0 0.622 21.6 72 08/18 00Z 66 54 284 10 0.00 0.00 574 588 21.2 -8.0 1016.0 8 CLR CLR 348FEW374 72 65 15.0 0.0 0.607 22.6 75 08/18 03Z 58 55 266 5 0.00 0.00 575 589 22.0 -8.0 1016.7 94 CLR CLR 284BKN353 66 58 14.4 0.0 0.665 22.5 78 08/18 06Z 57 55 225 4 0.00 0.00 575 590 22.4 -6.0 1017.2 92 007FEW011 225FEW250 273BKN339 66 56 13.5 0.0 0.688 23.5 81 08/18 09Z 56 54 205 3 0.00 0.00 576 589 22.6 -5.4 1016.0 79 006SCT012 212SCT249 267BKN347 57 56 13.5 0.0 0.724 24.7 84 08/18 12Z 55 53 216 2 0.00 0.00 575 589 22.3 -6.9 1016.1 73 006FEW012 212FEW249 296BKN365 57 55 13.4 0.0 0.756 24.9 87 08/18 15Z 58 54 240 3 0.00 0.00 575 589 21.9 -6.7 1017.1 92 005SCT012 211FEW236 378BKN434 58 55 15.0 0.0 0.792 24.0 90 08/18 18Z 68 54 266 3 0.00 0.00 576 590 22.1 -6.3 1016.4 96 006FEW012 206FEW227 356BKN426 68 55 15.0 0.0 0.829 24.9 93 08/18 21Z 69 54 283 7 0.00 0.00 577 590 22.3 -5.3 1015.7 100 CLR 233FEW250 263OVC411 71 68 13.4 0.0 0.875 24.6 96 08/19 00Z 66 54 275 6 0.00 0.00 578 591 22.7 -6.2 1014.5 100 CLR 216SCT250 264OVC395 71 65 15.0 0.0 0.924 25.6 99 08/19 03Z 59 55 245 3 0.00 0.00 579 591 23.1 -5.1 1014.1 100 CLR 195BKN250 285OVC370 66 59 15.0 0.0 0.948 26.2 102 08/19 06Z 58 54 207 4 0.00 0.00 579 591 23.2 -5.5 1014.8 99 CLR 192BKN251 276BKN372 66 58 15.0 0.0 0.953 26.5 105 08/19 09Z 56 54 207 3 0.00 0.00 579 591 22.9 -4.9 1013.9 54 CLR 210FEW243 289SCT346 58 56 15.0 0.0 0.963 26.6 108 08/19 12Z 56 53 219 2 0.00 0.00 579 590 23.0 -5.4 1013.2 59 CLR 211FEW246 303BKN359 58 56 15.0 0.0 0.981 26.2 111 08/19 15Z 60 54 206 2 0.00 0.00 579 591 22.7 -6.1 1014.0 53 CLR 195FEW251 370SCT409 60 56 15.0 0.0 0.985 25.9 114 08/19 18Z 71 55 277 3 0.00 0.00 579 591 22.9 -5.6 1014.4 55 CLR 196FEW251 310SCT400 72 56 15.0 0.0 0.949 26.0 117 08/19 21Z 73 55 290 8 0.00 0.00 580 592 23.3 -5.0 1013.4 74 CLR 203FEW231 316BKN395 75 71 13.3 0.0 0.986 26.6 120 08/20 00Z 66 54 285 7 0.00 0.00 580 591 23.8 -4.8 1013.3 87 CLR 206FEW233 303BKN397 75 65 15.0 0.0 1.020 26.7 123 08/20 03Z 59 55 239 4 0.00 0.00 580 592 24.2 -4.7 1013.6 97 CLR 195FEW203 352BKN430 66 59 14.5 0.0 1.088 26.3 126 08/20 06Z 57 55 223 4 0.00 0.00 580 592 24.1 -4.4 1014.7 99 009FEW013 CLR 358OVC427 66 57 13.4 0.0 1.079 26.6 129 08/20 09Z 58 55 210 4 0.00 0.00 580 592 23.8 -4.3 1013.9 75 007BKN014 CLR 377SCT431 58 57 13.5 0.0 1.032 27.1 132 08/20 12Z 57 54 215 3 0.00 0.00 580 591 23.5 -4.6 1013.8 68 007BKN013 CLR 377FEW430 58 57 13.4 0.0 1.041 27.0 135 08/20 15Z 59 55 213 3 0.00 0.00 579 592 23.5 -4.7 1014.7 42 007SCT013 CLR CLR 59 56 15.0 0.0 1.031 26.5 138 08/20 18Z 69 55 262 4 0.00 0.00 580 593 23.5 -4.4 1014.7 21 007FEW013 CLR CLR 69 56 15.0 0.0 0.987 26.4 141 08/20 21Z 73 55 282 8 0.00 0.00 581 593 24.0 -4.5 1013.5 0 CLR CLR CLR 74 70 13.4 0.0 0.919 26.7 144 08/21 00Z 67 55 272 8 0.00 0.00 581 593 24.5 -4.4 1013.4 13 CLR CLR 386FEW427 74 67 15.0 0.0 0.904 27.0 147 08/21 03Z 60 55 227 3 0.00 0.00 581 593 24.7 -4.5 1013.6 100 CLR CLR 328OVC431 67 60 15.0 0.0 0.882 27.1 150 08/21 06Z 58 55 204 4 0.00 0.00 581 593 25.1 -4.4 1014.0 94 CLR CLR 305BKN421 67 58 13.4 0.0 0.815 27.9 153 08/21 09Z 56 54 199 4 0.00 0.00 581 592 25.2 -4.8 1013.6 52 FEW CLR 370SCT406 58 56 13.5 0.0 0.775 27.9 156 08/21 12Z 55 54 224 3 0.00 0.00 580 592 25.0 -5.1 1013.3 46 006FEW010 CLR 349SCT377 58 55 14.8 0.0 0.755 28.1 159 08/21 15Z 59 54 225 2 0.00 0.00 580 592 24.8 -5.1 1014.3 15 000FEW009 241FEW251 314FEW326 59 55 14.9 0.0 0.798 27.4 162 08/21 18Z 70 55 276 4 0.00 0.00 580 592 24.6 -5.3 1014.3 8 000FEW009 CLR 317FEW329 70 55 15.0 0.0 0.783 27.2 165 08/21 21Z 74 55 285 8 0.00 0.00 581 592 24.8 -5.2 1013.1 41 CLR CLR 370SCT395 75 70 13.4 0.0 0.758 28.1 168 08/22 00Z 71 54 278 7 0.00 0.00 581 592 24.7 -5.1 1012.5 20 CLR CLR 370FEW395 75 70 14.2 0.0 0.770 28.4