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There is nothing like watching the world’s best golfers try to keep their cool amidst the wind and rain at the Open Championship.

Perhaps more than any other tournament, bettors need to have a keen eye on the weather at the Open Championship because of how erratic and dramatic the conditions can get through the four days.

Here’s the projected weather forecast for the 2025 Open Championship, which begins on Thursday morning at Royal Portrush in County Antrim, Northern Ireland.

The tournament gets going at 6:35 a.m. local time (1:35 a.m. ET), and it’s dicey whether we will get the full round of play in due to thunderstorms.

The early wave should be alright, but there is a substantial chance that there will be lightning in the area in the afternoon.

In addition to the storms, the wind will be a factor with forecasted speeds of 10 to 20 mph.

The temperatures should hover in the high 60s.

Things should calm down on Friday, with the potential for showers throughout the day, but that’s normal in this part of the world.

The winds should be less of a factor, and the temperatures should remain in the 60s.

Like Friday, the biggest issue in Saturday’s forecast is rain showers. The winds should be manageable and the temperature will be expected to stick in the 60s.

We could have quite the finish on Sunday.

There is a low-pressure system projected to swirl around the island on Sunday, which brings some drama in the form of steady rain and gusty conditions.

The contenders will need to battle one another and Mother Nature in the final round on Sunday.

Seasoned golf speculators will know that there is often an edge based on your start times in the first two rounds, especially at tournaments where the weather can change drastically throughout the day.

This year, there seems to be a built-in edge for those who were dealt early tee times on Thursday, as the conditions will deteriorate throughout the day in Round 1.

Michael Leboff is a long-suffering Islanders fan, but a long-profiting sports bettor with 10 years of experience in the gambling industry. He loves using game theory to help punters win bracket pools, find long shots, and learn how to beat the market in mainstream and niche sports.