Station ID: KOAK Lat: 37.71 Long: -122.23 NAM Model Run: 0Z 18MAR 2026 Cloud base 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 Tot Snowfall Vis Deg F Deg F deg kt in. in. Thk GPH Tmp Tmp mb % TEXT Clouds in SM 0 03/18 00Z 86 59 355 4 0.00 0.00 578 590 20.4 -7.0 1013 0 CLR 0.0 15.0 3 03/18 03Z 77 62 17 2 0.00 0.00 578 590 20.7 -7.3 1013 0 CLR 0.0 15.0 6 03/18 06Z 72 63 45 2 0.00 0.00 578 591 20.7 -7.3 1014 0 CLR 0.0 15.0 9 03/18 09Z 68 63 16 1 0.00 0.00 577 590 20.0 -7.0 1014 0 CLR 0.0 15.0 12 03/18 12Z 65 63 129 2 0.00 0.00 576 589 19.2 -7.0 1015 0 CLR 0.0 15.0 15 03/18 15Z 64 62 90 2 0.00 0.00 576 589 18.8 -6.8 1016 0 CLR 0.0 15.0 18 03/18 18Z 76 62 38 3 0.00 0.00 575 590 19.2 -7.2 1017 2 243FEW243 0.0 14.1 21 03/18 21Z 83 64 3 3 0.00 0.00 576 590 19.7 -7.2 1016 9 243FEW243 0.0 13.8 24 03/19 00Z 81 64 304 4 0.00 0.00 575 589 19.8 -7.2 1016 9 243FEW243 0.0 13.8 27 03/19 03Z 68 62 274 3 0.00 0.00 575 589 19.6 -7.4 1016 16 243FEW243 0.0 13.0 30 03/19 06Z 63 61 230 2 0.00 0.00 575 590 19.0 -7.7 1018 20 131FEW131 0.0 7.7 33 03/19 09Z 58 57 209 2 0.00 0.00 574 590 18.6 -8.5 1019 62 173BKN174 0.0 4.2 36 03/19 12Z 55 54 171 1 0.00 0.00 574 590 18.7 -8.8 1018 70 166BKN167 0.0 4.0 39 03/19 15Z 53 52 96 1 0.00 0.00 574 590 19.1 -9.0 1019 100 000OVC000 0.0 -1.2 42 03/19 18Z 66 58 4 2 0.00 0.00 574 591 19.4 -8.8 1020 93 000BKN000 0.0 12.7 45 03/19 21Z 79 63 352 4 0.00 0.00 575 591 19.9 -8.9 1019 20 000FEW000 0.0 12.7 48 03/20 00Z 76 63 299 5 0.00 0.00 575 590 20.5 -8.8 1017 21 000FEW000 0.0 12.7 51 03/20 03Z 64 59 265 3 0.00 0.00 575 590 20.8 -9.1 1017 23 000FEW000 0.0 12.7 54 03/20 06Z 60 58 216 2 0.00 0.00 575 590 21.5 -8.8 1017 23 131FEW131 0.0 7.6 57 03/20 09Z 57 56 195 2 0.00 0.00 575 589 21.3 -8.7 1017 56 131BKN131 0.0 7.0 60 03/20 12Z 54 54 164 2 0.00 0.00 574 588 21.0 -9.2 1016 62 167BKN167 0.0 3.3 63 03/20 15Z 51 51 160 1 0.00 0.00 574 587 20.7 -9.3 1016 100 000OVC000 0.0 -1.9 66 03/20 18Z 66 54 250 2 0.00 0.00 574 588 20.9 -9.4 1015 85 000BKN000 0.0 12.7 69 03/20 21Z 75 55 282 4 0.00 0.00 574 587 20.8 -9.6 1014 21 000FEW000 0.0 12.7 72 03/21 00Z 72 56 264 5 0.00 0.00 574 586 20.5 -9.7 1013 22 000FEW000 0.0 12.7 75 03/21 03Z 60 54 238 4 0.00 0.00 573 584 20.4 -9.8 1013 23 000FEW002 0.0 12.8 78 03/21 06Z 54 52 220 5 0.00 0.00 572 584 20.0 -9.9 1014 26 130SCT134 0.0 7.5 81 03/21 09Z 52 51 220 5 0.00 0.00 570 582 19.4 -10.2 1014 87 004BKN007 0.0 2.6 84 03/21 12Z 51 50 238 4 0.01 0.00 568 580 18.6 -10.8 1014 97 002BKN227 0.0 -1.1