Morgan Vineyard

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Vintage report

2026 at Morgan Vineyard

The winery hasn't written up 2026 yet. Here is what the weather records show.

Heat through the season

2026 so far2025Middle 80% of 1996-2025
05001,0001,5002,0002,5003,0003,500AprMayJunJulAugSepOctTypical rangeMedian season2026 so far: 2,742 °F·days2025: 2,785 °F·days20252026
Heat accumulated from April 1 (growing degree days, °F). Shaded: the middle 80% of past seasons; dashed: the median.

Rain by month

2026 so far2025
0"2"4"6"8"Apr 2026 so far: 8.5 inApr 2025: 2.7 inApr typical: 3.9 inAprMay 2026 so far: 1.5 inMay 2025: 3.9 inMay typical: 4.3 inMayJun 2026 so far: 5.5 inJun 2025: 4.0 inJun typical: 3.6 inJunJul 2026 so far: 2.1 inJul 2025: 2.8 inJul typical: 3.5 inJulAug 2026 so far: 4.5 inAug 2025: 2.3 inAug typical: 3.5 inAugSep 2026 so far: 7.0 inSep 2025: 1.2 inSep typical: 3.0 inSepOct 2026 so far: 2.7 inOct 2025: 3.3 inOct typical: 3.7 inOct
Rain by month, in inches. Gray ticks: the typical month.

What the records show

Bunch rot weather (estimated ripening dates): 8 periods (so far this season), 2nd highest in 87 seasons at this vineyard since 1940. weather record

Humid nights, mildew weather: 13 nights (so far this season), 3rd highest in 87 seasons at this vineyard since 1940. weather record

Coldest night against the buds' cold limit (site-wide estimate): 4°F warmer than the buds' predicted cold limit (so far this season), riskier winter for buds than 77 of 86 seasons at this vineyard since 1940. weather record

Winter hours at -10°F or colder: 2 hours (so far this season), colder than 78 of 86 seasons at this vineyard since 1940. weather record

Rain, April to October: 31.9 in (so far this season), wetter than 78 of 87 seasons at this vineyard since 1940. weather record

Rain while the grapes ripened (estimated ripening dates): 9.1 in (so far this season), wetter than 78 of 87 seasons at this vineyard since 1940. weather record

The biggest rain day of the growing season was April 14, with 1.8 in. weather record

By the weather records, the past seasons most like 2026 (so far this season) were 1959 and 1985. weather record

Weather from the ERA5 record for the vineyard's location, 1940 to now, and the Muskegon County Airport weather station. Disease measures describe weather pressure only.