What is the current water temperature in Negombo?

Q: What is the current water temperature in Negombo?

As of now, in Negombo, the water temperature is 28.68°C. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort.

Sri Lanka > Negombo

Water temperature in Negombo

Detailed information about the current water temperature in Negombo. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

83.6

°F

July 11, 19:04

Trend:

stable

Yesterday:

83.4°F

Tomorrow:

83.5°F

Sunrise:

06:01

Sunset:

18:31

Day Length:

12 h. 30 min.

Negombo in July

Minimum:

81.8°F

Average:

82.7°F

Maximum:

84.7°F

Sea water temperature in Negombo today

As of now, in Negombo, the water temperature is 83.6°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 0.8°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature closely matches the previous two weeks' average, indicating a stable trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 84.3°F on 2025, while the historical minimum was 81.1°F on 2018.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 83.5°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Negombo

Date	Current Year actual* / forecast**	last year	10 years average
Jun 27	83.0°F	83.2°F	83.4°F
Jun 28	83.1°F	83.5°F	83.6°F
Jun 29	83.7°F	83.4°F	83.8°F
Jun 30	83.6°F	83.9°F	83.8°F
Jul 1	83.2°F	84.7°F	83.5°F
Jul 2	83.4°F	84.5°F	83.4°F
Jul 3	84.3°F	85.0°F	83.5°F
Jul 4	83.6°F	84.2°F	83.4°F
Jul 5	83.4°F	85.1°F	83.4°F
Jul 6	83.3°F	84.5°F	83.4°F
Jul 7	83.6°F	85.3°F	83.4°F
Jul 8	84.3°F	84.5°F	83.4°F
Jul 9	83.4°F	84.3°F	83.1°F
Jul 10	83.4°F	83.6°F	83.0°F
Jul 11	83.6°F	84.3°F	82.8°F
Jul 12	83.5°F	84.7°F	82.7°F
Jul 13	83.6°F	83.9°F	82.8°F
Jul 14	83.6°F	83.1°F	82.7°F
Jul 15	83.8°F	83.0°F	82.9°F
Jul 16	83.5°F	83.0°F	82.7°F
Jul 17	83.4°F	82.9°F	82.6°F
Jul 18	83.4°F	82.6°F	82.6°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Negombo by month

In Negombo, the water temperature is comfortable for swimming all year round.

The warmest water in Negombo was recorded on May 5, 2024, reaching a 89.2°F. While the coldest temperature occurred on August 27, 2018, dipping to 78.9°F. The average readings by season are 82.9°F in Winter, 85.9°F in Spring, 82.9°F in Summer, and 83.4°F in Autumn.