Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 22APR 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 04/22 00Z 56 47 260 12 0.00 0.00 540 552 1.8 -25.8 1013.9 7 -RA 000FEW000 000FEW000 CLR **** **** 14.8 0.0 0.609 6.8 3 04/22 03Z 52 46 250 9 0.02 0.02 539 552 1.8 -26.8 1016.1 4 -TSRA 054FEW063 CLR CLR 56 52 14.4 0.0 0.541 6.1 6 04/22 06Z 50 46 224 6 0.02 0.02 539 554 1.5 -23.5 1018.2 4 -TSRA 054FEW063 163FEW177 CLR 56 50 13.6 0.0 0.574 5.6 9 04/22 09Z 50 46 179 6 0.02 0.02 540 556 1.0 -20.6 1019.5 13 -TSRA 054FEW087 118FEW137 CLR 50 49 14.9 0.0 0.647 5.5 12 04/22 12Z 50 46 157 8 0.02 0.02 542 559 0.9 -18.5 1019.8 50 -TSRA 047SCT113 117SCT133 CLR 51 49 14.8 0.0 0.717 5.5 15 04/22 15Z 50 46 149 7 0.02 0.01 543 561 2.0 -18.2 1021.1 99 -RA 000OVC117 117BKN131 CLR 51 50 15.0 0.0 0.703 5.4 18 04/22 18Z 53 47 148 6 0.02 0.01 544 563 1.7 -18.1 1022.7 100 -RA 000OVC104 118SCT131 288FEW316 53 50 13.5 0.0 0.647 6.0 21 04/22 21Z 59 48 187 5 0.02 0.02 545 564 2.4 -18.5 1022.2 80 -TSRA 024BKN045 CLR 269SCT327 59 53 15.0 0.0 0.612 7.3 24 04/23 00Z 60 47 295 8 0.00 0.00 546 564 3.2 -18.8 1021.1 54 -RA 029SCT049 CLR 269FEW327 62 54 15.0 0.0 0.613 8.4 27 04/23 03Z 55 48 305 6 0.00 0.00 547 564 3.3 -18.1 1021.1 2 107FEW119 CLR CLR 61 54 15.0 0.0 0.526 8.3 30 04/23 06Z 53 48 350 5 0.00 0.00 548 566 4.7 -18.5 1021.6 4 CLR CLR 313FEW341 60 53 15.0 0.0 0.463 8.4 33 04/23 09Z 50 45 32 3 0.00 0.00 549 566 4.9 -18.2 1021.1 13 CLR CLR 297FEW330 53 50 15.0 0.0 0.476 8.6 36 04/23 12Z 49 45 17 2 0.00 0.00 550 567 5.1 -18.0 1020.3 6 CLR CLR 297FEW329 53 49 15.0 0.0 0.514 8.6 39 04/23 15Z 53 46 22 2 0.00 0.00 551 567 5.8 -17.3 1020.4 4 CLR CLR 322FEW341 53 49 15.0 0.0 0.481 8.3 42 04/23 18Z 60 47 283 3 0.00 0.00 552 568 6.8 -17.3 1019.7 8 CLR CLR 326FEW347 60 48 15.0 0.0 0.425 8.8 45 04/23 21Z 63 45 289 9 0.00 0.00 553 569 7.3 -17.4 1018.0 21 CLR CLR 316FEW357 63 60 15.0 0.0 0.414 10.9 48 04/24 00Z 60 45 286 9 0.00 0.00 554 568 8.4 -17.5 1015.9 52 CLR CLR 301BKN376 64 58 15.0 0.0 0.396 11.4 51 04/24 03Z 53 46 268 7 0.00 0.00 554 568 8.7 -17.6 1016.3 78 CLR CLR 293BKN338 60 53 15.0 0.0 0.401 11.8 54 04/24 06Z 51 46 242 4 0.00 0.00 554 568 9.7 -17.3 1016.5 78 CLR CLR 277BKN339 60 51 15.0 0.0 0.378 11.0 57 04/24 09Z 51 47 230 4 0.00 0.00 554 566 9.0 -17.3 1015.6 100 CLR 213SCT240 243OVC363 51 51 15.0 0.0 0.402 9.1 60 04/24 12Z 51 47 210 4 0.00 0.00 553 564 9.2 -17.5 1014.2 100 015FEW020 197BKN239 242OVC344 51 50 15.0 0.0 0.444 8.6 63 04/24 15Z 53 47 192 4 0.00 0.00 552 563 8.8 -16.8 1014.0 100 015FEW019 157OVC239 241BKN272 53 50 15.0 0.0 0.453 8.8 66 04/24 18Z 58 47 227 7 0.00 0.00 551 563 8.1 -17.2 1014.0 100 015FEW020 157OVC233 239BKN268 58 51 15.0 0.0 0.558 7.1 69 04/24 21Z 59 47 260 11 0.00 0.00 550 562 7.8 -18.0 1013.6 100 FEW 160OVC223 238SCT283 59 58 15.0 0.0 0.562 7.5 72 04/25 00Z 57 46 265 12 0.00 0.00 551 561 8.0 -17.1 1012.4 83 CLR 154BKN211 239SCT281 59 57 15.0 0.0 0.558 6.9 75 04/25 03Z 52 45 268 8 0.00 0.00 551 561 7.9 -15.3 1012.3 7 023FEW026 137FEW155 CLR 57 52 15.0 0.0 0.558 5.8 78 04/25 06Z 51 44 252 6 0.00 0.00 551 561 7.7 -15.3 1012.1 28 022FEW028 136FEW152 277FEW332 57 51 15.0 0.0 0.553 5.5 81 04/25 09Z 52 44 240 8 0.00 0.00 550 559 7.0 -15.3 1011.2 86 013BKN034 CLR 277BKN357 52 50 15.0 0.0 0.547 5.2 84 04/25 12Z 52 43 222 6 0.00 0.00 548 557 5.9 -17.6 1010.1 93 013BKN036 210SCT229 267BKN337 52 50 15.0 0.0 0.564 5.4 87 04/25 15Z 52 45 188 6 0.00 0.00 546 555 1.7 -18.6 1010.0 100 020BKN043 152OVC237 237BKN306 52 51 15.0 0.0 0.585 5.8 90 04/25 18Z 56 44 224 8 0.00 0.00 545 553 1.0 -19.6 1010.1 100 -RA 021BKN046 141OVC236 236BKN297 56 51 15.0 0.0 0.636 6.4 93 04/25 21Z 57 45 235 9 0.01 0.01 544 552 1.5 -20.0 1009.7 100 -RA 014BKN062 124OVC235 235OVC289 57 55 15.0 0.0 0.703 7.0 96 04/26 00Z 56 44 260 9 0.00 0.00 544 552 1.7 -20.3 1009.2 100 -RA 018BKN063 123OVC235 235OVC299 57 56 15.0 0.0 0.672 6.6 99 04/26 03Z 52 45 252 8 0.00 0.00 544 552 1.5 -20.6 1009.6 100 038SCT050 132BKN226 236BKN321 56 52 15.0 0.0 0.622 6.0 102 04/26 06Z 51 45 208 5 0.00 0.00 545 554 1.1 -20.1 1010.5 93 -RA 042SCT056 134BKN207 251BKN324 56 50 15.0 0.0 0.623 6.3 105 04/26 09Z 51 46 174 5 0.01 0.01 545 554 1.1 -20.0 1011.1 99 -RA 010BKN067 169FEW183 294FEW314 52 51 15.0 0.0 0.607 6.3 108 04/26 12Z 51 45 168 5 0.01 0.01 545 555 1.3 -19.8 1011.4 100 -RA 012OVC068 169FEW183 304SCT325 52 51 15.0 0.0 0.551 6.3 111 04/26 15Z 51 45 135 6 0.01 0.01 546 556 1.1 -19.3 1012.9 100 -RA 023OVC071 CLR 279FEW331 51 50 15.0 0.0 0.512 6.7 114 04/26 18Z 57 43 186 2 0.00 0.00 547 558 1.6 -18.8 1013.4 100 -RA 031OVC072 CLR 283FEW331 57 50 15.0 0.0 0.484 7.2 117 04/26 21Z 59 44 223 7 0.00 0.00 547 559 1.9 -18.6 1013.5 98 040OVC075 CLR 304FEW318 60 57 15.0 0.0 0.548 8.1 120 04/27 00Z 59 43 248 6 0.00 0.00 548 559 2.3 -19.1 1012.6 100 036OVC077 CLR 305FEW371 60 57 15.0 0.0 0.550 8.8 123 04/27 03Z 56 44 256 6 0.00 0.00 547 558 2.9 -19.5 1013.2 100 043BKN077 CLR 269BKN380 59 56 15.0 0.0 0.552 8.2 126 04/27 06Z 54 45 202 5 0.00 0.00 546 558 2.6 -21.7 1014.2 100 050BKN078 204SCT237 251BKN373 60 54 15.0 0.0 0.605 7.5 129 04/27 09Z 53 45 168 4 0.00 0.00 545 557 2.4 -20.7 1014.2 100 060SCT081 167OVC237 237OVC353 54 53 15.0 0.0 0.662 7.2 132 04/27 12Z 52 44 136 5 0.00 0.00 544 556 2.4 -19.7 1014.0 100 060SCT081 151OVC236 236OVC347 54 52 15.0 0.0 0.685 7.4 135 04/27 15Z 54 45 127 5 0.00 0.00 544 556 2.5 -19.9 1014.3 100 059FEW089 129OVC236 242OVC316 54 52 15.0 0.0 0.690 7.7 138 04/27 18Z 59 45 140 5 0.00 0.00 544 556 2.5 -20.3 1014.5 100 058SCT089 129OVC236 239OVC305 59 52 15.0 0.0 0.743 8.2 141 04/27 21Z 61 45 242 9 0.01 0.01 544 556 3.5 -21.5 1013.7 100 -RA 049BKN093 121OVC236 236BKN253 62 59 13.7 0.0 0.765 9.7 144 04/28 00Z 57 47 233 11 0.03 0.03 544 555 3.9 -23.1 1012.9 100 -TSRA 041BKN104 119OVC235 235SCT253 62 57 14.8 0.0 0.780 9.2 147 04/28 03Z 55 47 256 4 0.00 0.00 544 556 4.1 -24.0 1013.9 89 043BKN118 122BKN206 235SCT244 58 55 15.0 0.0 0.731 8.5 150 04/28 06Z 52 47 42 2 0.00 0.00 544 556 3.6 -24.1 1015.0 79 046BKN116 140BKN206 235FEW244 58 52 15.0 0.0 0.762 8.5 153 04/28 09Z 53 46 84 4 0.00 0.00 543 556 3.4 -24.0 1014.7 100 041BKN117 189OVC231 235BKN252 53 52 15.1 0.0 0.768 8.6 156 04/28 12Z 51 46 72 3 0.00 0.00 543 555 2.6 -24.0 1014.5 97 047BKN117 177BKN220 235BKN253 53 50 15.0 0.0 0.782 8.5 159 04/28 15Z 53 47 124 2 0.00 0.00 543 555 2.9 -23.3 1015.1 100 030OVC112 151BKN205 236BKN273 53 51 15.0 0.0 0.792 8.1 162 04/28 18Z 56 48 43 1 0.00 0.00 543 556 3.3 -23.2 1015.2 100 023BKN113 153BKN218 235BKN280 56 51 15.0 0.0 0.804 8.2 165 04/28 21Z 59 47 258 3 0.01 0.01 545 557 3.0 -23.0 1014.8 100 -RA 042BKN117 119OVC233 235OVC291 62 57 15.4 0.0 0.836 8.8 168 04/29 00Z 59 49 299 8 0.01 0.01 545 557 3.6 -22.7 1014.5 100 -RA 037BKN115 120BKN229 236OVC293 62 57 15.1 0.0 0.855 8.3