So, you’re looking at the 14 day forecast long beach ca and trying to figure out if you can actually host that backyard BBQ or if the Queen Mary is going to be shrouded in mist for your visit. Honestly, January in Long Beach is a bit of a mood ring. One minute you’re walking the dog in a t-shirt near Belmont Shore, and the next, you’re digging for that one "heavy" sweater you keep in the back of the closet because a damp breeze just rolled off the Pacific.
Right now, as we sit in mid-January 2026, the weather is playing a very specific game. If you look at the immediate numbers for today, Saturday, January 17, it's actually quite pleasant despite the "cloudy" tag. We’re hitting a high of 73°F with a low of 54°F. That’s basically the California winter sweet spot. But don’t let the 73 degrees fool you into thinking it's summer; the humidity is sitting at 37%, which makes that air feel crisp rather than tropical.
What the 14 Day Forecast Long Beach CA Really Means for Your Plans
When people search for a two-week outlook, they usually want certainty. But Southern California in 2026 is dealing with a weakening La Niña transition. What does that mean for your weekend? It means the forecast is a bit of a moving target.
For example, tomorrow, Sunday, January 18, looks almost identical to today—another 73°F high and 55°F low with "partly sunny" skies. It’s perfect for the Long Beach Antique Market or a stroll through the East Village. However, as we push into Monday and Tuesday (Jan 19-20), things "cool" down to a steady 68°F. It’s still sunny, but that 5-degree drop is noticeable when you're standing in the shade.
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The Mid-Week Shift and Rain Chances
By the time we hit Wednesday, January 21, the clouds start creeping back in. We're looking at:
- Wednesday: 66°F, sunny but turning cloudy at night.
- Thursday: 65°F, mostly cloudy.
- Friday: 62°F, and this is where it gets interesting.
If you have Friday night plans, heads up. There’s a 35% chance of rain moving in after dark. While 35% sounds low to people in Seattle, in Long Beach, that often translates to "slick roads and everyone forgets how to drive."
The Weekend Outlook: January 24th and 25th
Looking further out toward the end of next week, Saturday, January 24th is currently pegged for light rain during both the day and night. The high holds at 65°F, which is actually warmer than the Friday before it, but the 72% humidity is going to make it feel much dampener.
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If you’re planning to hit the "Festival of Human Abilities" at the Aquarium of the Pacific that weekend, Saturday might be your indoor day. Sunday the 25th looks to dry out slightly, moving back to "mostly cloudy" with a high of 67°F.
Dealing With the "Marine Layer" Reality
One thing the raw numbers in a 14 day forecast long beach ca won’t tell you is the visibility factor. We are seeing "patchy dense fog" warnings for the coastal waters right now. If you're planning a harbor cruise or a trip to Catalina, visibility can drop to less than one nautical mile in the mornings.
The wind is staying relatively calm, mostly coming from the South or Northwest at around 4 to 7 mph. It’s not enough to blow the fog away quickly, but it’s enough to keep the air from feeling stagnant.
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Actionable Tips for the Next 14 Days
Don't just look at the high temperature and assume you're good. Here is how to actually survive the Long Beach mid-winter transition:
- Layer Like a Pro: The gap between the 73°F daytime high and the 54°F night low is nearly 20 degrees. If you leave the house at 2:00 PM in a t-shirt, you will be shivering by the time you're leaving dinner at 7:00 PM.
- Watch the Friday/Saturday Window: The rain chance on Jan 23-24 is the biggest "disruptor" in the current two-week cycle. If you’re scheduling outdoor photography or a beach bonfire, try to pull it forward to Tuesday or Wednesday when the sun is more reliable.
- Check the UV Index: Even on the "cloudy" days like today, the UV index is hitting 1 or 2. By Monday/Tuesday, it's up to a 3. It’s not "burn in ten minutes" weather, but if you’re out on the water, that reflection will get you.
- Marine Plans: If you have a boat, keep an eye on the Small Craft Advisories. While the inner harbor is usually calm, the transition to ENSO-neutral conditions can create unexpected swells further out near the breakwater.
Basically, enjoy the warmth while it lasts this weekend. The transition toward the end of January looks a little more grey and a lot more typical for a "chilly" California winter. Keep an eye on that Friday night rain—it might just be the start of a wetter pattern heading into February.