Historical weather data, all-time temperature records, and monthly climate averages for Vineyard, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Vineyard tends to feel like spring is just getting comfortable, with an average high of 69° and low of 48° across 148 years of records. There's a 1-in-4 chance of rain, so don't stash the umbrella quite yet. The date has swung from a sweltering 88° back in 1985 to a teeth-chattering 36° in 1929.
Vineyard's weather has some serious range — from a bone-chilling 17° in December 1932 to an all-time scorcher of 116° in September 2022, the valley doesn't mess around at the extremes. The wettest single day on record dropped 5.44 inches on October 24, 2021, a reminder that fall storms can hit hard and fast.
Summer is peak heat here, with the warmest week of the year averaging a high of 93° in mid-July — not the place for a heat-sensitive visit. January is the coolest month, with highs around 52°, while late December is the wettest stretch of the year at nearly an inch of precipitation per week. Spring and fall offer the sweet spot: mild temps in the 60s–70s with fading rain chances.