Shower & Thunderstorm Chances

An upper level low will swing to our south overnight, pushing moisture back in across the KION coverage area from the south and east. We mainly face a chance of light showers overnight, though there is an outside chance of a thundershower. Shower chances will increase by late morning as a weak disturbance rotates around the low. We’ll likely get a break for the early afternoon before another disturbance rotates in for the evening. Timing of the waves doesn’t quite line up with peak daytime heating, so that may limit thunderstorm chances, but there is still a chance none the less. The low will move on by Friday, returning us to tranquil weather… see more in the extended forecast.

AIR QUALITY: Good

Overnight: Mostly cloudy with a slight chance for a shower or thundershower. Patchy fog and drizzle may also be possible around the bay. Lows in the 50s for most areas.

Thursday: Partly cloudy with scattered showers and isolated thunderstorms, more numerous in the south & east. Highs in the low 60s to low 70s around the coast and low 70s to upper 70s inland. Windy up valleys late in the day.

Friday: Remaining partly to mostly cloudy on the coast with somewhat cool temperatures—mainly 60s. Warming inland with 70s-80s under mostly sunny skies.

Extended: Building high pressure will send temperatures upward into the weekend. In fact, light offshore flow aloft through the weekend should yield high temperatures anywhere from 10-20ºF above normal with some coastal cities reaching the 80s and perhaps even 90s on Monday. We’ll begin to cool back down by mid-week.

*Note: Any alerts from the National Weather Service in Monterey will be noted in italics above. Alerts may be edited for brevity or local clarification
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This week's normal temperatures:
--COASTAL CITIES--
LOW: 55ºF
HIGH: 71ºF

--INLAND CITIES--
LOW: 52ºF
HIGH: 86ºF
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-The outlook from the Climate Prediction Center for September 26^th – October 2^nd calls for the likelihood of ABOVE normal temperatures and near normal precipitation.

- ENSO (El Niño/La Niña) STATUS: La Niña Watch
- ENSO Forecast: Transition to La Niña into the fall and persist through the winter months.
- Area drought status: Abnormally dry for areas around Monterey Bay northward. Drought-free elsewhere.
- Monterey Bay Sea Surface Temperature* as of September 19^th: 58.1ºF
(Historic Sep AVG near Monterey: 59.6ºF) -- *average of 7 buoys