Castine, ME Hourly Weather

Hour-by-Hour Forecast

Today's Weather Breakdown

Currently 43°F and rain, overcast. Today in Castine, ME: high of 48°F, low of 42°F with rain, overcast. 100% chance of rain.

Hour-by-Hour Temperature & Rain Probability

In Castine, ME today, temperatures start near 42°F in the early morning and climb toward a high of 48°F in the afternoon. Rain probability climbs through the day, reaching around 100%. The afternoon hours carry the highest precipitation risk — bring an umbrella if you plan to be outside.

Reading the Hourly Weather Forecast

The hour-by-hour table shows temperature, feels-like temperature, precipitation probability, wind speed, humidity, and UV index for each hour of the day in Castine. Rain probability above 40% for a given hour indicates a meaningful chance of precipitation during that window. UV index above 6 means sun protection is recommended for extended time outdoors.

Hourly forecasts are updated from live weather station data. For the full multi-day picture, see the Castine 10-day forecast or check tomorrow's rain forecast for precipitation timing.

Hour-by-Hour Forecast for Castine, ME

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