Weather

Weekend weather: What you need to know for every activity you have planned

Bucket your outdoor activities toward the start of the weekend.

10/09/11 - Boston, MA -A woman rides her bike through Southwest Corridor in Boston park on Sunday, October 9, 2011. The Dartmouth Street entrance to the park is slated for renovation. Story slugged: 11simon. Dina Rudick/Globe Staff. Dina Rudick / The Boston Globe

With the start of May this weekend, I’ll also be starting a weekly column tailored to weather for outdoor activities. Many of you spend at least some time outside on the weekends, and whether it’s knowing the best time for a run or if your beach trip is going to see rain, this rundown is all you’ll need.

The first thing to know is that Saturday is going to be a nicer day than Sunday. I am a bit concerned that showers will move in for Sunday from mid-morning onward as the pattern turns a bit wetter for next week. Sunrise is just after 5:30 a.m. and sunset is just after 7:45 p.m., leaving a lot of daylight.

If you’re going hiking, biking, or running…

This weekend will at least start with dry weather and make any of these activities a pleasure.

If you are headed to the mountains, it will be cool with highs at the higher elevations (over 4,000 feet) in the low- to mid-40s. Campers should bring warm gear for cold mornings.

Sunday will see clouds increase and a few rain showers, especially in the afternoon, becoming steadier late in the day. There won’t be any wind to contend with on Saturday. Sunday could have a slight breeze.  I would not recommend long hikes, bike rides, or runs Sunday afternoon unless you don’t mind the rain.

If you’re going beaching and boating…

From the North Shore to Maine: Water temperatures are in the low- to mid-40s and with chilly air present all weekend. Basically: It’s not likely you’ll be swimming. However, you might be taking the boat out for the first run of the season. Tides are high around 6 in the morning and evening. Consult your local tide chart for specifics.

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From the South Shore to Cape Cod: Water temperatures in a few sheltered coves might near 50 degrees, but generally you’ll still have water temperatures in the 40s. Winds will be light all weekend from the northeast and east, seas only around 2 feet.

If you’re playing soccer, softball, baseball, or golf…

With clear skies and cool readings at night, the first part of Saturday morning will find some dew on the grass. I don’t expect any frost delays if you have an early tee time on the links. Saturday features a lot of sunshine, but there may be some increase in clouds later in the day; even so, be sure to wear sunscreen.

On Sunday morning, there may be also some dew on the grass, although it won’t be as chilly a start to the day. Expect temperatures to be in the 40s—with clouds on the increase, it won’t warm up very much. Remember: Even on cloudy days, lots of UV light gets through the clouds and you can still get sunburned. Afternoon games may need to be postponed due to rain.

If you’re gardening…

With rain expected Sunday afternoon and Monday, this is a good weekend to put down some grass seed and organic, slow-release fertilizers. You can also still move some trees, shrubs, and perennials. (Remember if you are moving plants to still give them a good drink of water, even with the rain expected.) High temperatures will be in the upper 50s at the coast and lower 60s inland on Saturday but will remain in the 40s to lower 50s Sunday. The sun can burn houseplants that you’re moving outside so put them in the shade for a few days before moving them into full sunshine.

If you’re running errands…

Roads will be dry through Sunday morning, but there is a chance of showers for the afternoon on Sunday. Your car can heat up very fast when parked in the sun—don’t leave pets or, of course, kids in the car. The sun’s intensity this weekend is similar to that of the second week of August.

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The High temperatures for Saturday

The high temperatures for Saturday.

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