This is the average height of the waves, 1-2 miles out to sea. 11 Extreme - Avoid being outside during midday hours. 8-10 Very high - Spend time in the shade between 11am and 3pm. 6-7 High - Seek shade during midday hours, cover up and wear sunscreen. 3-5 Moderate - Take care during midday hours and do not spend too much time in the sun unprotected. No risk of UV - It’s safe to stay outside. UV exposure index and the protection required to help keep you safe: The higher the percentage of humidity, the wetter it will feel outside. If there is a lot of water vapour, the humidity will be Humidity is the amount of water vapor in the air. Visibility measures the distance at which an object can be clearly seen. Read more about how wind will affect you at the beach. The number is the average wind speed.īeware of offshore winds if you are using inflatables, paddle boards or kayaks. If the arrow points from land to sea, the wind The arrow shows the direction of the wind (up is north). The number represents the average wind speed expected at that time. The letters show the direction the wind is blowing The arrow shows the direction the wind is blowing. Strong winds are shown in bold for speeds of 29 mph or more. Wind gust shows the highest wind speed that you should encounter at that time, as winds peak and Idea of how the temperature will actually feel at the time. You can see the temperature in Celsius orįeels like temperature considers other factors, such as wind speed and humidity. This number shows the air temperature for the time period. Sleet, snow, hail and drizzle) will fall from the sky at a certain time. This means that the symbol for 09:00 shows you what you will see from 09:00 to 10:00.Ĭhance of precipitation represents how likely it is that rain (or other types of precipitation, such as Stay tuned to WBZ-TV, and CBSN Boston for all the details.Our weather symbols tell you the weather conditions for any given hour in the day or night. We will continue to monitor and update the forecast the rest of this week. Should the precipitation shield reach as far north as the Mountains, it would certainly be snow up there, and they sure can use it! Way too early to talk snowfall amounts, but figure something on the scale of 1-3" or 3-6" in areas northwest of Boston (how far northwest remains to be seen).Ĭloser to the city and to the south and east there is a greater likelihood of mixed precipitation or rain. Again, we will refine the timing as we get closer, but for now, plan out the best travel times being the first half of Saturday and second half of Sunday. If you are planning on traveling or perhaps doing some holiday shopping this weekend, the most likely time for highest impact would be late Saturday afternoon through very early Sunday. Given the above, the highest risk of accumulating snow will north and west of Boston. Temperatures will be marginal, meaning the likelihood of a rain/snow line somewhere in our area.It will be a weak system, no wind or coastal concerns.While it is still several days away, we feel fairly confident in some aspects of the potential weekend storm: While some storms may be shunted completely south of New England, others may take a more classic "La Nina" track, splitting our area with a mix of rain and snow, kind of like what we expect this weekend. We are pretty confident that a colder, more "typical" December stretch is likely for the last couple weeks of 2021.
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