Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 27MAR 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 03/27 00Z 69 45 328 5 0.00 0.00 565 579 15.8 -13.3 1015.5 100 CLR CLR 000OVC000 **** **** 15.0 0.0 0.331 17.4 3 03/27 03Z 61 47 240 1 0.00 0.00 566 579 16.2 -13.8 1015.3 100 CLR CLR 292OVC407 70 60 15.0 0.0 0.312 17.9 6 03/27 06Z 57 45 69 1 0.00 0.00 567 580 15.3 -13.6 1015.4 100 CLR CLR 283OVC406 70 57 15.0 0.0 0.306 18.6 9 03/27 09Z 57 43 25 2 0.00 0.00 567 579 17.1 -13.9 1014.6 100 CLR CLR 272OVC406 58 57 15.0 0.0 0.308 17.5 12 03/27 12Z 57 38 77 1 0.00 0.00 566 578 17.0 -14.3 1014.2 100 CLR CLR 266OVC400 58 56 15.0 0.0 0.304 17.2 15 03/27 15Z 57 35 52 3 0.00 0.00 566 579 16.7 -14.4 1015.0 100 CLR 235FEW245 253OVC394 57 56 15.0 0.0 0.342 17.4 18 03/27 18Z 66 39 12 2 0.00 0.00 566 579 16.7 -14.8 1015.3 100 CLR 235FEW244 249OVC392 66 56 15.0 0.0 0.388 17.7 21 03/27 21Z 71 44 343 3 0.00 0.00 567 579 16.9 -15.1 1014.1 100 CLR 212BKN244 244OVC377 71 66 15.0 0.0 0.410 17.4 24 03/28 00Z 73 45 308 5 0.00 0.00 567 577 16.3 -15.5 1012.6 84 CLR 211SCT241 245BKN335 74 66 15.0 0.0 0.445 18.8 27 03/28 03Z 60 46 302 4 0.00 0.00 566 577 16.3 -15.8 1013.2 99 CLR 197BKN238 244OVC270 74 60 15.0 0.0 0.434 18.7 30 03/28 06Z 58 45 248 1 0.00 0.00 565 577 16.0 -15.9 1014.2 96 CLR 198BKN240 244BKN279 74 57 15.0 0.0 0.434 18.4 33 03/28 09Z 55 45 286 2 0.00 0.00 564 576 15.1 -16.3 1014.8 99 CLR 203FEW240 252BKN312 57 55 15.0 0.0 0.429 17.9 36 03/28 12Z 53 44 293 2 0.00 0.00 563 575 14.7 -16.3 1014.9 65 CLR 211FEW241 253BKN303 58 53 15.0 0.0 0.408 17.7 39 03/28 15Z 54 45 315 2 0.00 0.00 562 576 14.2 -16.2 1016.0 10 CLR CLR 294FEW307 55 52 15.0 0.0 0.414 17.2 42 03/28 18Z 66 47 296 2 0.00 0.00 563 576 14.4 -16.2 1016.1 8 CLR CLR 281FEW299 66 52 15.0 0.0 0.397 17.4 45 03/28 21Z 68 47 297 9 0.00 0.00 563 576 14.6 -15.9 1015.1 1 CLR CLR CLR 69 66 15.0 0.0 0.404 17.0 48 03/29 00Z 68 44 307 6 0.00 0.00 564 575 14.9 -15.6 1013.3 0 CLR CLR CLR 70 66 15.0 0.0 0.348 19.4 51 03/29 03Z 56 44 314 6 0.00 0.00 563 575 14.7 -15.7 1013.9 33 CLR CLR 364SCT404 68 56 15.0 0.0 0.362 18.9 54 03/29 06Z 54 42 311 1 0.00 0.00 563 575 15.5 -15.3 1014.2 40 CLR CLR 355SCT403 68 54 15.0 0.0 0.330 18.9 57 03/29 09Z 53 41 135 1 0.00 0.00 562 574 15.4 -15.1 1014.0 7 CLR CLR 332FEW388 54 53 15.0 0.0 0.343 18.6 60 03/29 12Z 53 40 340 2 0.00 0.00 562 573 14.5 -14.8 1013.4 4 CLR CLR 332FEW387 54 52 15.0 0.0 0.454 18.5 63 03/29 15Z 55 42 324 2 0.00 0.00 561 573 14.4 -14.7 1014.1 4 CLR CLR 370FEW393 55 52 15.0 0.0 0.498 18.0 66 03/29 18Z 64 43 294 3 0.00 0.00 562 574 14.4 -14.3 1014.9 37 CLR CLR 317SCT403 64 52 15.0 0.0 0.514 17.9 69 03/29 21Z 68 44 298 6 0.00 0.00 562 574 14.4 -14.0 1014.0 100 CLR CLR 282OVC379 68 64 15.0 0.0 0.504 18.6 72 03/30 00Z 66 46 285 7 0.00 0.00 562 573 14.5 -14.3 1012.7 79 CLR CLR 283BKN364 69 64 15.0 0.0 0.464 18.9 75 03/30 03Z 57 44 254 4 0.00 0.00 562 573 14.6 -14.4 1013.0 100 CLR 231FEW243 274OVC398 66 56 15.0 0.0 0.356 19.0 78 03/30 06Z 54 44 207 3 0.00 0.00 561 573 13.8 -14.5 1014.3 96 CLR CLR 264BKN394 66 53 15.0 0.0 0.401 18.5 81 03/30 09Z 54 44 177 4 0.00 0.00 560 572 13.3 -15.2 1013.7 100 CLR 229BKN242 242OVC406 54 54 15.0 0.0 0.428 17.1 84 03/30 12Z 54 45 183 4 0.00 0.00 559 570 12.0 -16.0 1013.6 100 CLR 221BKN241 251OVC377 54 53 15.0 0.0 0.499 15.9 87 03/30 15Z 55 46 196 2 0.00 0.00 557 569 11.1 -17.5 1014.1 100 CLR 209OVC241 243OVC361 55 53 15.0 0.0 0.553 15.4 90 03/30 18Z 62 47 243 3 0.00 0.00 555 569 10.2 -17.1 1015.8 100 CLR 199BKN241 242OVC369 62 53 15.0 0.0 0.737 14.7 93 03/30 21Z 64 46 267 6 0.00 0.00 555 569 9.5 -16.7 1015.6 100 097FEW118 142BKN236 260OVC367 65 62 15.0 0.0 0.876 15.0 96 03/31 00Z 60 45 262 7 0.00 0.00 555 568 9.2 -16.0 1014.8 95 102FEW119 138BKN221 269BKN370 66 60 15.0 0.0 0.907 13.9 99 03/31 03Z 54 45 251 4 0.00 0.00 555 568 9.3 -16.3 1015.0 81 094FEW120 121BKN186 280SCT317 60 53 15.0 0.0 0.879 13.2 102 03/31 06Z 51 44 262 3 0.00 0.00 555 568 9.2 -16.8 1016.0 90 094FEW120 122SCT184 289BKN336 60 51 15.0 0.0 0.890 12.7 105 03/31 09Z 50 42 233 3 0.00 0.00 555 568 8.3 -16.5 1016.0 100 090FEW112 134FEW153 331OVC415 51 50 15.0 0.0 0.847 11.7 108 03/31 12Z 50 42 207 2 0.00 0.00 554 567 8.3 -16.9 1015.7 100 090FEW112 154FEW176 307OVC417 51 50 15.0 0.0 0.861 11.2 111 03/31 15Z 52 42 283 2 0.00 0.00 554 567 8.5 -16.9 1016.4 100 094FEW120 129FEW157 254OVC422 52 50 15.0 0.0 0.870 10.9 114 03/31 18Z 57 42 263 2 0.00 0.00 554 568 8.2 -17.4 1016.6 100 094FEW118 186BKN219 247OVC421 57 50 15.0 0.0 0.875 10.9 117 03/31 21Z 59 43 302 6 0.00 0.00 554 567 9.0 -15.9 1015.5 100 088FEW108 150OVC240 240OVC417 60 56 15.0 0.0 0.917 11.4 120 04/01 00Z 54 44 301 8 0.00 0.00 552 565 5.8 -15.3 1015.3 100 -RA 072SCT118 134OVC240 240OVC420 60 53 15.0 0.0 0.986 10.4 123 04/01 03Z 50 48 295 4 0.07 0.00 551 564 3.9 -15.6 1015.8 100 -RA 047OVC113 118OVC239 239OVC421 53 50 6.2 0.0 1.067 7.1 126 04/01 06Z 50 49 122 2 0.09 0.00 551 563 4.8 -15.7 1015.1 100 -RA 024OVC114 118OVC239 239OVC414 53 50 15.0 0.0 1.018 8.0 129 04/01 09Z 51 48 180 3 0.02 0.00 550 562 3.8 -16.6 1014.6 100 -RA 005OVC117 118OVC239 239OVC398 51 51 12.8 0.0 1.017 7.2 132 04/01 12Z 50 49 209 3 0.12 0.00 548 560 2.9 -16.9 1014.1 100 -RA 000OVC117 118OVC238 238OVC397 51 50 5.9 0.0 0.997 6.1 135 04/01 15Z 50 49 289 1 0.07 0.00 547 560 2.9 -18.5 1015.6 100 -RA 000OVC118 118OVC238 239OVC323 51 50 14.4 0.0 0.938 6.0 138 04/01 18Z 53 49 171 4 0.00 0.00 549 563 3.9 -17.6 1016.8 99 -RA 000OVC107 124BKN233 240BKN307 53 50 15.0 0.0 0.804 6.4 141 04/01 21Z 56 49 267 3 0.00 0.00 550 564 4.9 -16.7 1016.8 97 014BKN061 CLR CLR 56 53 15.0 0.0 0.840 7.4 144 04/02 00Z 60 49 263 8 0.00 0.00 551 565 4.5 -15.2 1016.0 84 027BKN064 CLR CLR 60 53 15.0 0.0 0.852 9.2 147 04/02 03Z 55 50 232 4 0.00 0.00 551 566 4.2 -13.8 1017.4 70 040BKN067 122FEW133 CLR 60 55 15.2 0.0 0.869 9.3 150 04/02 06Z 54 50 185 4 0.00 0.00 553 568 4.5 -13.0 1018.5 84 022BKN075 121FEW131 CLR 60 54 15.6 0.0 0.857 8.7 153 04/02 09Z 52 50 286 6 0.05 0.01 552 568 4.4 -13.8 1019.6 100 -RA 000OVC092 CLR CLR 54 52 14.5 0.0 0.781 7.1 156 04/02 12Z 49 43 273 7 0.00 0.00 551 568 3.8 -15.4 1020.5 87 -RA 010BKN087 CLR CLR 54 49 15.0 0.0 0.525 6.4 159 04/02 15Z 48 41 300 5 0.00 0.00 550 568 4.6 -16.0 1021.6 2 FEW CLR CLR 49 47 15.0 0.0 0.261 5.2 162 04/02 18Z 53 36 302 7 0.00 0.00 551 569 5.5 -16.0 1022.2 1 CLR CLR CLR 54 47 15.0 0.0 0.255 4.9 165 04/02 21Z 58 37 296 8 0.00 0.00 552 570 5.6 -15.9 1020.8 0 CLR CLR CLR 59 53 15.0 0.0 0.275 7.6 168 04/03 00Z 58 41 280 10 0.00 0.00 553 569 5.4 -15.8 1019.5 0 CLR CLR CLR 59 53 15.0 0.0 0.341 8.4