If you’ve lived in Montgomery County for more than a week, you know the drill. You wake up needing a parka and by lunch you're considering turning on the AC. It’s just the Gulf Coast way. Right now, looking at the weather in conroe tx 10 day forecast, we are staring down a classic Texas winter rollercoaster that starts with a literal freeze and ends with us dodging rain puddles in 70-degree humidity.
Honestly, it's enough to give anyone whiplash.
Last night was a bit of a bite, wasn't it? As of late Saturday night, January 17, 2026, the temperature in Conroe dipped to a crisp 35°F, though with that north wind kicking at 6 mph, it felt more like 30°F. If you didn't cover your sensitive plants or bring the outdoor pets in, you might be looking at some crispy leaves this morning.
The Immediate Outlook: Sun, Frost, and MLK Day
Sunday morning, January 18, is starting off with a serious chill. We are looking at a low of 29°F. That is a hard, clear freeze. But the good news? The sun is going to be out in full force. We’re expecting a high of 57°F today. It’s the kind of day where you wear layers because the shade feels like Alaska and the direct sun feels like a nice spring afternoon.
Monday, January 19, for MLK Day, looks even better. The low stays around 33°F, but we climb up to a very comfortable 64°F. It’ll be mostly sunny, perfect for any community events or just getting some yard work done before the humidity decides to make its grand return.
The Mid-Week Pivot to Rain
This is where the weather in conroe tx 10 day forecast gets a little messy. Enjoy the dry air while it lasts because by Tuesday, the clouds start rolling in.
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- Tuesday, Jan 20: Mostly cloudy with a high of 61°F. The real story is the overnight transition where we have a 40% chance of rain and the low only drops to 39°F.
- Wednesday, Jan 21: This is the day to keep the umbrella in the car. We’re looking at a 65% chance of light rain during the day. Humidity is going to spike to about 92%. It’s going to feel heavy and damp, with a high of 63°F and a surprisingly warm low of 52°F.
Looking Ahead: The Warm-Up and the Weekend Fade
By the time we hit the end of the week, the cold air is a distant memory. Friday, January 23, brings us back to the 70°F mark. It’ll be mostly cloudy, but that warmth is going to feel strange after the freezing start to the week.
Saturday, January 24, looks like the peak of this warm cycle. We are forecasting a high of 72°F. However, don't get too comfortable. By Sunday, January 25, another system moves through, bringing a 45% chance of showers and dropping our Monday low back down to 36°F.
Basically, the weather in conroe tx 10 day forecast is a loop. Freeze, warm, rain, repeat.
Why Conroe Weather is So Unpredictable
People often ask why we can't get a consistent forecast. According to data from the National Weather Service and historical patterns tracked by local experts like those at Space City Weather, Conroe sits in a unique spot. We’re far enough inland to get the full brunt of Canadian cold fronts, but close enough to the Gulf of Mexico to get blasted by moisture-rich air the second those winds shift to the southeast.
In January, the average high is usually around 62°F with a low of 40°F. This year, we are seeing some significant departures from that norm, especially with these frequent dips into the upper 20s followed by jumps into the 70s.
Survival Tips for the Next 10 Days
You've got to be proactive.
First, keep those frost blankets handy for the next 48 hours. Even though it warms up during the day, those overnight lows of 29°F and 33°F will kill off your hibiscus or lemon trees if they aren't protected.
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Second, watch the humidity on Wednesday. With it hitting 92%, any rain that falls isn't going to evaporate quickly. It’ll be slick out there on I-45, so give yourself extra time for the commute.
Finally, check your tire pressure. These massive temperature swings—from 29 degrees to 72 degrees—cause air to expand and contract. If your "low tire" light comes on Tuesday morning, don't panic; it’s likely just the Conroe weather doing its thing.
Keep an eye on the sky, stay warm this morning, and maybe enjoy that 72-degree Saturday while it lasts.
Next Steps for Conroe Residents:
- Insulate outdoor pipes today before the Sunday night low of 29°F sets in.
- Plan indoor activities for Wednesday, January 21, to avoid the 65% rain chance and high humidity.
- Check tire pressure midweek as the temperature climbs from the 30s into the 60s and 70s.