Weather-wise, this past September was pretty terrible. There were the floods of Tropical Storm Imelda, which were especially terrible north and east of the Houston metro area. Then there was the heat: Highs were 98 degrees, or above, for the first eight days above, and overall this was by far Houston’s warmest September on record. Finally, the region saw no cool fronts to bring down overnight temperatures, so it remained hot and muggy throughout the month.

Although this region has had worse extreme weather during past Septembers—such as the landfalls of the Great Storm of 1900 and Hurricane Ike in 2008—I would argue that end-to-end this has been the worst overall September weather in Houston. Good riddance. Fortunately, October promises to be better with a cool front likely in about one week’s time.

Tuesday and Wednesday

The heat continues. With Houston falling under the influence of high pressure the region will continue to see hot and mostly sunny days and warm, humid nights. Expect high temperatures on Tuesday and Wednesday to reach 90 degrees, or warmer, for inland areas. Nights will be extra sticky, with lows for much of the region only falling into the upper 70s. Rain chances remain near zero, except possibly for a few isolated areas near Matagorda Bay.

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Good morning. Houston’s summer-lite weather will continue for most of this week, with warm days and nights. Rain chances will be low for most of the week, given the presence of high pressure. We’re still waiting for that first cool front. As you can see from our cold front graphic below, anything after October 7th would set a record for the latest first fall front since the official monitoring station was moved to Houston’s Intercontinental Airport in 1969. A front appears to be in the cards “soon,” perhaps even by that date. More on that below.

Monday

Atmospheric moisture levels are fairly high over the Coastal Bend area of Texas this morning, so areas near and around Matagorda Bay could see some rain storms today. But most of the Houston metro area, including Harris and surrounding counties, should remain dry today. Expect partly sunny skies, with high temperatures in the low 90s.

Tuesday and Wednesday

More of the same, as high pressure over the southern United States expands eastward a little bit. We can’t entirely rule out some streamer showers, but again these should be mostly dry (which is not to say not humid) days. Highs around 90 degrees for most, with warmer temperatures possible for well inland areas.

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This week has not been oppressively hot and humid, but it still has been rather toasty for the end of September. That’s not going to change anytime soon unfortunately.

Today

The amount of moisture available in the atmosphere today will be a good bit more than what was available yesterday, which means we should see at least a smattering of some showers and storms pop up through the day. Radar already shows some showers this morning south of Houston toward Lake Jackson and Angleton.

Based on this and weather modeling, the highest rain chances today should be south and west of Houston, though everyone has at least a chance of a shower. Outside of that, it will be partly sunny and continued hot. Look for high temperatures near 90 degrees.

Weekend

Moisture levels will slowly drop this weekend, but with onshore flow continuing, we have to at least mention a passing shower or storm Saturday and Sunday afternoons. If you’ve got outdoor plans this weekend, you should be able to go forward with them without much issue. You may encounter a brief downpour but probably nothing worse. Daytime highs will likely be up around 90 again. Nighttime lows, which have actually not been too bad (in the low-70s) this week will likely creep back into at least the mid-70s inland and warmer at the coast.

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Houston will remain in a late-summer pattern for the next week to 10 days—it seems like we’ve been saying that forever—but we can only write about the weather we’re given.

Thursday

We’re going to have one more warm and sunny day today, similar to Tuesday and Wednesday. Highs will be around 90 degrees, although areas well inland may be a bit warmer than that. This should provide the region one more good day to really dry out.

Friday

Rain chances will pick up a bit on Friday, as a weak tropical disturbance moves toward Mexico and brings increased moisture levels into the Texas coast. Any showers should be relatively brief, and the day should otherwise have partly sunny skies with high temperatures around 90 degrees.

Saturday and Sunday

As moisture levels peak on Saturday, we are likely to see rain chances push up to around 60 percent for the coast, and 40 percent for inland areas. Again, showers should be fairly transient, although they could certainly bring some intermittent downpours to the area. Most of the region should see 0.25 to 0.5 inch of rain, although the coast could see up to 1 inch. Rain chances begin to slacken on Sunday, but do not go away entirely. Expect highs of around 90 degrees.

Next week

High pressure returns by Monday or so, which should shut down rain chances for the most part, at least into the middle of next week. It will remain warm. After that time? Who knows. The weekend of October 5th may see another surge of Gulf moisture, or, if we get lucky, the arrival of the region’s first cool front. It’s hard to have confidence in either forecast.

Tropics

We really have no significant concerns with regard to the Gulf of Mexico right now.