Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 26MAR 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 03/26 12Z 48 45 168 4 0.00 0.00 563 577 14.6 -13.4 1018.0 92 CLR CLR 000BKN000 **** **** 15.0 0.0 0.314 16.4 3 03/26 15Z 50 45 135 2 0.00 0.00 562 578 13.8 -13.3 1018.8 98 CLR CLR 312BKN407 50 48 15.0 0.0 0.367 14.8 6 03/26 18Z 63 43 10 3 0.00 0.00 563 579 14.3 -13.0 1018.6 99 CLR CLR 316OVC403 64 48 15.0 0.0 0.317 13.8 9 03/26 21Z 70 41 23 7 0.00 0.00 564 579 14.9 -12.6 1017.2 100 CLR CLR 310OVC403 70 64 15.0 0.0 0.289 15.0 12 03/27 00Z 70 45 351 5 0.00 0.00 566 579 15.8 -13.3 1015.1 100 CLR CLR 308OVC405 72 64 15.0 0.0 0.360 16.8 15 03/27 03Z 60 46 31 0 0.00 0.00 566 579 15.7 -13.6 1015.1 100 CLR CLR 286OVC407 70 60 15.0 0.0 0.327 18.0 18 03/27 06Z 56 44 95 1 0.00 0.00 567 580 15.8 -13.5 1015.3 100 CLR CLR 277OVC405 70 56 15.0 0.0 0.330 17.9 21 03/27 09Z 56 40 40 2 0.00 0.00 567 579 17.1 -13.9 1014.5 100 CLR CLR 270OVC395 57 56 15.0 0.0 0.320 17.0 24 03/27 12Z 56 35 69 2 0.00 0.00 566 578 16.7 -14.3 1014.3 100 CLR CLR 267OVC397 57 56 15.0 0.0 0.325 17.0 27 03/27 15Z 56 34 41 3 0.00 0.00 566 578 16.5 -14.6 1015.0 100 CLR 235FEW244 247OVC394 56 55 15.0 0.0 0.361 17.4 30 03/27 18Z 65 39 1 2 0.00 0.00 565 579 16.0 -14.8 1015.4 100 CLR CLR 246OVC392 65 55 15.0 0.0 0.388 17.2 33 03/27 21Z 73 44 322 3 0.00 0.00 566 578 16.5 -15.1 1013.9 99 CLR 234FEW244 269OVC303 73 66 15.0 0.0 0.398 17.6 36 03/28 00Z 74 45 301 5 0.00 0.00 566 577 15.8 -15.5 1012.6 77 CLR 232FEW243 259BKN289 75 66 15.0 0.0 0.419 19.3 39 03/28 03Z 59 45 289 5 0.00 0.00 565 577 15.6 -16.0 1013.6 46 CLR 219FEW243 248SCT297 75 58 15.0 0.0 0.435 18.6 42 03/28 06Z 56 44 261 1 0.00 0.00 565 577 15.1 -16.2 1014.6 35 CLR 208FEW237 251SCT302 74 56 15.0 0.0 0.442 18.3 45 03/28 09Z 55 43 247 1 0.00 0.00 564 576 15.0 -16.3 1014.6 15 CLR 198FEW221 285FEW317 56 55 15.0 0.0 0.423 17.9 48 03/28 12Z 53 43 315 1 0.00 0.00 563 575 14.4 -16.2 1014.4 34 CLR 198FEW220 285SCT348 56 53 15.0 0.0 0.414 17.4 51 03/28 15Z 55 44 3 2 0.00 0.00 562 575 13.9 -16.3 1015.5 6 CLR CLR 323FEW339 55 52 15.0 0.0 0.427 16.9 54 03/28 18Z 66 46 300 3 0.00 0.00 562 576 13.8 -16.2 1016.0 24 CLR CLR 321FEW347 66 52 15.0 0.0 0.435 16.7 57 03/28 21Z 68 47 300 8 0.00 0.00 563 576 14.1 -16.1 1015.0 48 CLR CLR 340SCT392 69 66 15.0 0.0 0.434 16.6 60 03/29 00Z 68 44 304 7 0.00 0.00 563 575 14.7 -15.8 1013.1 55 CLR CLR 350BKN398 69 66 15.0 0.0 0.393 19.0 63 03/29 03Z 56 44 307 5 0.00 0.00 563 575 14.6 -15.4 1013.6 38 CLR CLR 359SCT404 68 56 15.0 0.0 0.368 18.8 66 03/29 06Z 55 43 288 1 0.00 0.00 563 575 15.0 -15.1 1014.1 24 CLR CLR 358FEW400 68 54 15.0 0.0 0.355 18.3 69 03/29 09Z 53 42 317 1 0.00 0.00 562 574 15.0 -15.0 1013.8 1 CLR CLR CLR 55 53 15.0 0.0 0.340 18.1 72 03/29 12Z 52 41 3 1 0.00 0.00 562 573 14.6 -14.9 1013.2 1 CLR CLR 399FEW411 55 52 15.0 0.0 0.401 17.9 75 03/29 15Z 55 42 51 1 0.00 0.00 562 573 14.4 -14.9 1013.7 3 CLR CLR 363FEW374 55 52 15.0 0.0 0.452 17.8 78 03/29 18Z 67 44 303 2 0.00 0.00 563 574 15.0 -14.5 1013.8 24 CLR CLR 344FEW391 67 51 15.0 0.0 0.465 18.1 81 03/29 21Z 71 46 283 4 0.00 0.00 564 575 15.5 -13.7 1012.2 100 CLR CLR 314OVC376 71 66 15.0 0.0 0.467 19.1 84 03/30 00Z 69 46 293 8 0.00 0.00 564 573 15.6 -13.9 1011.1 71 CLR CLR 312BKN366 73 66 15.0 0.0 0.497 19.6 87 03/30 03Z 60 45 297 4 0.00 0.00 563 573 15.5 -14.0 1011.3 5 CLR CLR 286FEW308 69 59 15.0 0.0 0.515 20.1 90 03/30 06Z 59 44 241 3 0.00 0.00 563 573 15.2 -13.9 1011.9 53 CLR 228FEW243 267BKN358 69 58 15.0 0.0 0.503 19.4 93 03/30 09Z 56 43 250 3 0.00 0.00 562 572 14.3 -14.1 1012.0 100 CLR 233FEW243 254OVC393 58 56 15.0 0.0 0.461 18.5 96 03/30 12Z 55 44 294 1 0.00 0.00 560 570 13.8 -15.5 1011.7 100 CLR 215SCT242 257OVC387 58 55 15.0 0.0 0.466 17.9 99 03/30 15Z 56 43 255 2 0.00 0.00 559 569 13.4 -17.3 1012.4 100 CLR 193OVC241 247OVC424 56 55 15.0 0.0 0.486 16.8 102 03/30 18Z 62 41 251 3 0.00 0.00 557 569 12.2 -16.4 1013.4 100 CLR 185OVC241 244OVC424 62 55 15.0 0.0 0.520 15.5 105 03/30 21Z 65 38 287 4 0.00 0.00 557 568 11.5 -15.8 1013.2 100 CLR 152OVC241 243OVC430 65 61 15.0 0.0 0.556 15.1 108 03/31 00Z 60 41 296 10 0.00 0.00 556 566 10.9 -16.7 1012.4 100 CLR 153BKN240 242OVC430 66 60 15.0 0.0 0.713 14.6 111 03/31 03Z 56 44 300 3 0.00 0.00 555 566 9.3 -15.8 1012.3 100 096BKN119 119OVC240 240OVC422 60 56 15.0 0.0 0.714 12.9 114 03/31 06Z 56 43 246 4 0.00 0.00 553 564 5.0 -16.8 1013.3 100 088BKN119 136OVC223 240OVC419 60 56 14.8 0.0 0.972 9.6 117 03/31 09Z 53 48 103 1 0.02 0.00 552 562 7.3 -17.2 1012.3 100 -RA 027OVC118 141OVC203 239OVC421 56 53 15.3 0.0 1.021 9.1 120 03/31 12Z 54 47 102 4 0.00 0.00 550 559 5.6 -17.3 1011.3 100 -RA 047OVC115 129OVC220 238OVC414 56 53 15.0 0.0 0.985 8.6 123 03/31 15Z 54 48 128 5 0.00 0.00 549 558 4.0 -18.1 1010.8 100 064BKN111 118OVC238 238OVC396 54 53 13.9 0.0 0.935 9.7 126 03/31 18Z 54 52 156 5 0.07 0.00 548 558 4.0 -18.9 1011.3 100 -RA 043BKN112 118OVC237 237OVC385 55 53 6.2 0.0 1.012 8.5 129 03/31 21Z 55 53 153 5 0.18 0.01 548 557 3.9 -20.2 1010.7 100 RA 000OVC118 118OVC237 237OVC299 55 53 4.9 0.0 1.001 8.2 132 04/01 00Z 54 50 166 9 0.09 0.02 548 556 4.8 -20.0 1010.1 100 -TSRA 000OVC118 122BKN226 236BKN287 55 53 15.3 0.0 0.874 7.4 135 04/01 03Z 54 51 160 7 0.04 0.01 548 557 4.9 -18.2 1010.8 100 -RA 000OVC108 118FEW129 FEW 54 53 10.3 0.0 0.775 8.1 138 04/01 06Z 53 51 152 7 0.01 0.00 549 559 3.5 -17.8 1012.0 93 -RA 005BKN084 118FEW129 CLR 54 53 15.1 0.0 0.707 8.4 141 04/01 09Z 54 50 166 10 0.01 0.01 549 559 3.3 -17.7 1012.4 72 -RA 009BKN082 CLR 285SCT318 54 53 15.1 0.0 0.741 7.9 144 04/01 12Z 54 50 199 9 0.04 0.03 547 558 3.0 -17.7 1012.9 86 -TSRA 007BKN089 CLR 260SCT312 54 53 7.6 0.0 0.789 7.7 147 04/01 15Z 53 49 185 10 0.03 0.03 547 559 2.6 -17.2 1014.2 67 -TSRA 036BKN085 203FEW219 238SCT250 54 52 12.7 0.0 0.804 7.3 150 04/01 18Z 57 47 214 15 0.02 0.02 549 561 2.5 -15.8 1014.7 69 -TSRA 050BKN091 186FEW201 239FEW250 57 52 14.9 0.0 0.766 7.4 153 04/01 21Z 57 46 217 16 0.00 0.00 549 562 3.0 -15.6 1014.8 87 059BKN116 118FEW127 CLR 58 56 15.3 0.0 0.784 7.3 156 04/02 00Z 53 50 199 16 0.05 0.00 550 562 4.0 -14.5 1014.2 93 -RA 030BKN115 118FEW127 347FEW374 58 53 9.7 0.0 0.830 7.8 159 04/02 03Z 51 46 266 8 0.05 0.00 548 562 0.9 -13.9 1017.0 84 -RA 010BKN104 CLR 358FEW383 53 50 15.0 0.0 0.522 5.5 162 04/02 06Z 49 44 266 7 0.00 0.00 547 563 0.0 -14.0 1019.3 46 -RA 013SCT102 CLR 363FEW385 53 48 15.3 0.0 0.496 4.5 165 04/02 09Z 49 42 323 7 0.01 0.01 546 563 -0.9 -14.0 1020.7 85 -RA 029BKN071 CLR CLR 49 48 15.0 0.0 0.427 3.9 168 04/02 12Z 46 40 307 6 0.00 0.00 545 562 -1.0 -13.4 1021.1 53 -RA 032BKN071 CLR CLR 49 46 15.0 0.0 0.355 3.7