Fog in Misawa

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 20 hours of dense fog here (10-year average).

Measured at Misawa Airport / Misawa Air Base (RJSM). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
RJSMMisawa Airport / Misawa Air Base207 h/yrclimatology

Fog is measured where instruments live — airports. Hours/yr = time below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), the aviation definition of seriously dense fog.

When Misawa fogs in

Fog here concentrates in July and June — about 207 hours in a typical year at RJSM, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the RJSM station page.

Fog season

January: ~8 hJanFebruary: ~10 hFebMarch: ~7 hMarApril: ~7 hAprMay: ~20 hMayJune: ~48 hJunJuly: ~68 hJulAugust: ~20 hAugSeptember: ~4 hSepOctober: ~0 hOctNovember: ~1 hNovDecember: ~8 hDec
Fog season runs May through August, peaking in July; fog is mostly a 10 PM–7 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 1 hour once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.