Eric Berger

Good morning. It is March 25th, and Houston will experience a serious springtime heat wave this week. The average date of the region’s first 90-degree day typically does not come until May, based on historical data:

• Houston-Bush Intercontinental: May 7
• Houston-Hobby: May 6
• Galveston: June 21
• College Station: May 2

However, all locations but Galveston will probably hit 90 degrees this week, or come very close. With lots of sunshine and heat, please take care when outside during the middle of the day. You’ll definitely need some sunscreen out of doors and plenty of hydration. Unfortunately you won’t be able to socially distance yourself from the humidity.

Wednesday

With high pressure dominating overhead like it’s mid-summer, expect high temperatures to reach about 90 degrees under mostly sunny skies later today. Winds will be very light. Low temperatures Wednesday night will only fall to around 70 under partly cloudy skies.

Thursday

This will be another day a lot like Wednesday, with highs near 90 degrees and warm night.

Friday

The pattern begins to change on Friday, although the difference in our weather will be subtle as high pressure backs off to the east. Highs will still be near 90 degrees, but there will be a few more clouds, and winds out of the south will be much more noticeable, gusting to perhaps 25 mph.

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Good morning. We’re entering Houston’s “week of summer” and it’s only March. If this is too early for humid nights and hot days for you, don’t fret too much. Before the end of March it appears as though Houston will return to more seasonable, spring-like weather. But it will definitely be warm until then.

Tuesday

High pressure is beginning to build over the region today, but we won’t quite be in the sauna yet. Mostly cloudy skies should help to keep temperatures in the mid-80s for most areas, with light southwesterly winds. Overnight lows will drop into the low 60s for most—warmer along the coast, cooler well inland—with a mix of clouds and stars.

Wednesday and Thursday

High pressure will peak during the middle of the week for much of Texas, including the Houston area. This will lead to unseasonably warm and sunny days, with highs at or near 90 degrees for the region. These will be almost summer-like days with warm nights to match, as lows likely will only fall to around 70 degrees.

Friday

Another warm day, but we should start to see some more clouds mix in as high pressure weakens its grip over the area. Look for partly sunny skies with highs in the upper 80s.

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Houston’s brief flirtation with cooler, spring-like weather over the weekend has ended with the resumption of an onshore flow over the region. This will set the stage for a warm, and mostly dry week that will bring the warmest weather of 2020 so far into the region, with conditions positively summer-like by the middle of this week. It’s not out of the question that Houston hits the 90s.

Monday

Under the influence of very moist, southerly air, we should see mostly cloudy skies on Monday with a high in the low 80s. Sunshine may break through near the coast and in Houston later today. Some isolated showers are definitely possible, but for the most part the region should remain rain-free, with light winds. Lows Monday night will probably only fall to around 70 degrees for most of the area.

Tuesday

After another warm start to the day, highs on Tuesday should climb into the mid-80s under partly to mostly sunny skies. Winds will be more noticeable, gusting up to 25 mph out of the southwest in response to an approaching front that will stall out near or north of Houston. Lows Tuesday night should drop into the mid-60s.

Wednesday, Thursday and Friday

Temperatures and humidity levels should really pop during the middle of the week, with high pressure settling over the area. The combination of a warm southerly flow and partly to mostly clear skies should push daytime temperatures into the upper 80s to 90 degrees. (Houston’s last official 90-degree day came on October 20, a little more than five months ago.) Nighttime lows will generally fall into the upper 60s or lower 70s.

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Good morning. The northern hemisphere experiences its earliest vernal equinox in more than a century today—the Sun will cross the equator heading north at 10:49pm CT tonight. Of course Houston has seen spring-like weather for awhile now, and the biggest weather question we have is rainfall. It has generally been a dry start to 2020 for the region, and as a result a moderate drought has emerged for the region. The map below shows “departure from normal” rainfall since around Thanksgiving of last year, and most of Houston is 6 to 8 inches drier than normal during this period.

The good news is that we’re increasingly confident that much of the region, and especially many of the driest areas surrounding Houston, will receive rainfall through this weekend. So let’s get into the forecast.

Thursday

Today will be like much of what we’ve experienced this week—warm with a mix of clouds and sunshine as high temperatures nudge up into the low 80s. Winds will be gusty out of the south again today, likely pushing up to around 20 mph. Some light rain will be possible during the overnight hours, as lows only fall to around 70 degrees.

Friday

Friday morning will begin like much of the rest of this week, quite warm and humid. But around sunrise, showers should form ahead of a cold front north and west of Houston, and push into the city during the pre-noon hours. Rainfall accumulations for most areas north of Interstate 10 should be around 1 inch, with less toward the coast. Some heavy rain is possible, so a few inland areas could see in excess of 2 inches, but the storms should die out during the evening hours as the front pushes through the region. Lows Friday night should drop into the upper 50s for most except the coast.

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