10-day forecast for Riverhead, NY: 65° to 91°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
91°
Best day: Sunday, August 9
75° · 0.43 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0991° / 74°0
Morning79°feels 79°
Afternoon90°feels 99°
Evening78°feels 79°
Overnight74°feels 75°
91 °
Riverhead, Sunday, 9 August
Partly cloudy. High 91°, low 74°.
Pressure29.94 inHg
Wind7.7 mph W
Humidity67%
Visibility6.2 mi
Dew point69°
Mon, 1083° / 71°0
Morning76°feels 76°
Afternoon79°feels 79°
Evening78°feels 79°
Overnight72°feels 72°
83 °
Riverhead, Monday, 10 August
Partly cloudy. High 83°, low 71°.
Pressure29.97 inHg
Wind3.8 mph S
Humidity54%
Visibility6.2 mi
Dew point61°
Tue, 1184° / 75°0
Morning76°feels 77°
Afternoon83°feels 85°
Evening78°feels 79°
Overnight77°feels 78°
84 °
Riverhead, Tuesday, 11 August
Overcast. High 84°, low 75°.
Pressure29.85 inHg
Wind6 mph NW
Humidity67%
Visibility6.2 mi
Dew point68°
Wed, 1275° / 71°0.43
Morning72°feels 73°
Afternoon75°feels 76°
Evening73°feels 73°
Overnight71°feels 72°
75 °
Riverhead, Wednesday, 12 August
Rain. High 75°, low 71°.
Pressure29.74 inHg
Wind9.2 mph NW
Humidity82%
Visibility6.2 mi
Dew point66°
Thu, 1381° / 69°0.09
Morning73°feels 74°
Afternoon78°feels 79°
Evening79°feels 81°
Overnight70°feels 70°
81 °
Riverhead, Thursday, 13 August
Light rain. High 81°, low 69°.
Pressure29.74 inHg
Wind17.1 mph NW
Humidity78%
Visibility—
Dew point69°
Fri, 1475° / 67°0
Morning67°feels 67°
Afternoon69°feels 68°
Evening74°feels 73°
Overnight70°feels 69°
75 °
Riverhead, Friday, 14 August
Overcast. High 75°, low 67°.
Pressure29.94 inHg
Wind16.7 mph N
Humidity59%
Visibility—
Dew point53°
Sat, 1575° / 65°0
Morning66°feels 65°
Afternoon69°feels 69°
Evening74°feels 73°
Overnight69°feels 68°
75 °
Riverhead, Saturday, 15 August
Clear. High 75°, low 65°.
Pressure30.12 inHg
Wind16.8 mph NW
Humidity51%
Visibility—
Dew point49°
Sun, 1674° / 66°0
Morning67°feels 66°
Afternoon70°feels 69°
Evening73°feels 73°
Overnight68°feels 67°
74 °
Riverhead, Sunday, 16 August
Mostly clear. High 74°, low 66°.
Pressure30.30 inHg
Wind12 mph N
Humidity49%
Visibility—
Dew point49°
Mon, 1777° / 68°0
Morning71°feels 70°
Afternoon76°feels 75°
Evening74°feels 74°
Overnight71°feels 71°
77 °
Riverhead, Monday, 17 August
Overcast. High 77°, low 68°.
Pressure30.21 inHg
Wind14.8 mph S
Humidity54%
Visibility—
Dew point57°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Riverhead, NY around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.