Two-week planning outlook

14-Day Weather Forecast for Negombo, Sri Lanka

Daily high and low temperatures, rain chances, wind, UV index, weekend conditions, and planning guidance for the next two weeks.

Expect daytime highs between 82°F and 86°F during the next 14 days. Rain chances peak at 89% on Sunday, Sep 20, while No clear signal currently look most favorable for outdoor plans.

Updated Sep 7, 9:29 PM +05:30

14 Days at a Glance

Complete two-week outlook

Warmest DayMon, Sep 7 · 86°FLight Rain

Coolest NightSat, Sep 12 · 78°FHeavy Intensity Rain

Highest Rain ChanceSun, Sep 20 · 89%Heavy Intensity Rain

Strongest WindSun, Sep 20 · 16.9 mphNo gust data

Weekend OutlookRain possible · Heavy Intensity Rain84°F / 78°F

Total Precipitation10.30 inEstimated across 14 days

Extended local outlook

14-Day Forecast

Detailed 48-hour forecast

Monday, Sep 7 · 86°F / 79°F

Light Rain

Rain chance 42%, SW 12.3 mph, humidity 68%.

Morning: 79°F
Afternoon: 86°F
Evening: 81°F
Overnight: 80°F
Humidity: 68%
Pressure: 29.91 inHg
Dew point: 74°F
UV index: 12.6 very high
Sunrise: 6:02 AM
Sunset: 6:15 PM

Temperature Trend

HighLow78°F – 86°F

9/79/89/99/109/119/129/139/149/159/169/179/189/199/20

Rain Chances

42%9/7

70%9/8

54%9/9

57%9/10

80%9/11

85%9/12

86%9/13

69%9/14

79%9/15

76%9/16

81%9/17

80%9/18

76%9/19

89%9/20

UV Index

Daily peak

12.69/7

12.49/8

12.29/9

11.89/10

11.69/11

—9/12

—9/13

—9/14

—9/15

—9/16

—9/17

—9/18

—9/19

—9/20

Planning Ahead

Forecast-based guidance

Most Favorable Outdoor Days

No clear signal

Lower rain chances and manageable winds

Rainy Days

Sun, Sep 20 · Sun, Sep 13 · Sat, Sep 12

Peak chance 89%

Warmest Days

Mon, Sep 7 · Wed, Sep 9 · Tue, Sep 8

Highs up to 86°F

Coolest Nights

Sat, Sep 12 · Mon, Sep 14 · Fri, Sep 11

Lows near 78°F

Windiest Day

Sunday, Sep 20

16.9 mph · Gusts --

Weekend Weather

Two-week planning

This Weekend

Sat, Sep 1284°F / 78°FHeavy Intensity Rain · Rain 85%

Sun, Sep 1383°F / 78°FHeavy Intensity Rain · Rain 86%

Next Weekend

Sat, Sep 1983°F / 79°FHeavy Intensity Rain · Rain 76%

Sun, Sep 2082°F / 79°FHeavy Intensity Rain · Rain 89%

14-Day Weather Forecast for Negombo, Sri Lanka

Expect daytime highs between 82°F and 86°F during the next 14 days. Rain chances peak at 89% on Sunday, Sep 20, while No clear signal currently look most favorable for outdoor plans.

Temperatures range from an overnight low near 78°F to a daytime high near 86°F. The strongest rain signal is 89% on Sunday, Sep 20, with 3 notable wet days in the current outlook.

FAQ

14-day forecast questions for Negombo

What is the 14-day weather forecast for Negombo?

Expect daytime highs between 82°F and 86°F during the next 14 days. Rain chances peak at 89% on Sunday, Sep 20, while No clear signal currently look most favorable for outdoor plans.

Will it rain in Negombo during the next two weeks?

The strongest rain signal is 89% on Sunday, Sep 20, with 3 notable wet days in the current outlook.

What is the hottest day in Negombo during the next 14 days?

The warmest forecast day is Monday, Sep 7, with a high near 86°F.

What is the coldest night in Negombo?

The lowest forecast temperature is 78°F on Saturday, Sep 12.

What will the weather be this weekend in Negombo?

This Weekend currently ranges from 78°F to 84°F, with rain chances peaking at 86%.