Holliston UV Index Today
- Current UV Index5.0
- Peak UV Index7.0
- Temperature22.5 ℃
- Peak UV at 1 PM
- Protection Recommended ☀️
Last updated:
The UV index in Holliston, Massachusetts, United States 
will reach a high of 5 today. This means a normal level of sun exposure. See our tips below to stay safe!
Hourly Forecast Chart
Today's Safety Tips
Check the live data above for the current conditions and stay safe in the sun!
Holliston's UV Index
The UV index in Holliston, Massachusetts, typically ranges from low in winter to moderate or high in summer, peaking around 7 to 8 during sunny summer days, especially in June and July.
Weather Seasons
Holliston experiences four distinct seasons: cold, snowy winters; warm, humid summers; and mild spring and fall seasons with changing leaf colors. Spring and fall bring moderate rainfall, while summer has occasional thunderstorms.
Holliston's Climate
Compared to nearby Boston and other parts of Massachusetts, Holliston's weather is very similar, with slightly cooler winters than coastal areas. It is generally milder than inland states to the west but experiences the same Northeast U.S. seasonal patterns.
Hourly UV Index Trend
See the UV index hour by hour for Holliston. When the level is high, it's smart to find some shade.
- TimeUVLevelTemp
- 12 PM5.0moderate22 ℃
Nearby Cities
Check the UV index in other cities near Holliston.