Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 31

Waxing Gibbous 99%

17:56

06:01

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:24, Set: 19:09, Transit: 12:47. Moon - Rise: 17:56, Set: 06:01. Civil Dark: 19:37 - 05:55. Nautical Dark: 20:11 - 05:22. Astro Dark: 20:46 - 04:46

Total Clouds (% Sky Obscured)

98
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

74
74
66
47
61
74
52
43
8
24
0
0
8
11
35
21
37
38
62
91
79
79
77
78

Medium Clouds (% Sky Obscured)

34
44
54
54
100
100
68
69
100
100
100
100
100
100
100
100
79
74
47
75
54
88
100
100

High Clouds (% Sky Obscured)

11
68
68
100
100
100
100
100
100
100
100
100
100
100
100
100
51
100
100
97
10
88
57
55

ISS Passover

Visibility (miles)

3
4
5
5
0
0
0
1
1
8
9
9
9
9
9
9
9
9
5
1
0
1
9
9

Fog (%)

0
0
0
0
0
0
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Very Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
20
70
81
46
11
6
14
35
34
14
47
16
6
13
15
49
63
41
33
24
11
13

Precipitation Amount (mm)

0.2
0
0
0.3
0.4
0
0
0
0
0
0
0
0.3
0
0
0
0
0.2
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
7
6
4
4
4
4
5
5
7
12
11
8
8
8
8
8
9
6
10
8
8
8

Chance of Frost

Temperature (°C)

4
4
4
5
5
6
6
6
7
9
11
14
14
14
15
17
19
20
21
18
11
9
9
9

Feels Like (°C)

0
1
0
2
3
4
4
4
5
7
9
12
12
13
14
16
18
20
21
17
8
7
6
6

Dew Point (°C)

3
3
3
4
5
5
5
6
7
8
10
13
13
13
14
15
16
16
15
15
10
9
8
7

Relative Humidity (%)

93
94
96
96
98
98
98
98
100
98
95
93
93
93
95
90
82
77
69
83
95
95
91
88

Pressure (mb)

1015
1015
1015
1015
1014
1013
1012
1011
1010
1010
1009
1009
1010
1011
1011
1012
1013
1014
1014
1015
1017
1018
1020
1021

Ozone (du)

341
340
340
341
342
345
346
345
344
344
342
340
341
342
344
346
345
344
345
344
342
343
342
340

Wednesday 1

Full Moon 100%

19:03

06:21

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:22, Set: 19:10, Transit: 12:47. Moon - Rise: 19:03, Set: 06:21. Civil Dark: 19:39 - 05:54. Nautical Dark: 20:13 - 05:20. Astro Dark: 20:48 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
99
97
98
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
55
39
40
66
74
65
50
34
39
67
84
82
96
90
88
96
98
100
99
98
99
98
99

Medium Clouds (% Sky Obscured)

100
100
100
99
100
88
100
98
92
83
79
85
73
70
27
86
96
96
97
30
97
38
25
23

High Clouds (% Sky Obscured)

60
69
100
100
100
79
93
100
100
100
100
92
91
75
69
65
59
43
48
30
38
43
69
91

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
5
8
7
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
Light Rain
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

16
21
22
25
44
56
43
38
20
11
5
9
30
30
30
45
64
52
50
44
42
12
15
45

Precipitation Amount (mm)

0
0
0
0
0.2
0.4
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

7
6
7
6
7
7
8
8
7
7
7
7
8
8
8
8
8
9
9
9
8
8
8
7

Chance of Frost

Temperature (°C)

8
8
7
6
6
6
5
5
4
4
4
4
4
3
3
3
4
3
3
3
3
3
3
3

Feels Like (°C)

5
5
4
4
3
3
2
1
1
1
0
0
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Dew Point (°C)

6
6
6
5
5
4
4
3
2
2
2
2
2
1
1
1
2
2
2
2
2
1
1
1

Relative Humidity (%)

90
90
91
91
90
88
88
86
86
88
89
86
86
83
83
85
89
91
91
91
91
89
89
88

Pressure (mb)

1023
1024
1026
1027
1028
1029
1029
1030
1030
1031
1031
1032
1033
1033
1034
1034
1035
1035
1035
1035
1035
1035
1034
1034

Ozone (du)

342
344
348
350
350
352
352
349
349
346
346
344
340
339
337
335
332
330
331
333
335
336
334
331

Thursday 2

Waning Gibbous 99%

20:09

06:42

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:20, Set: 19:11, Transit: 12:46. Moon - Rise: 20:09, Set: 06:42. Civil Dark: 19:40 - 05:52. Nautical Dark: 20:14 - 05:18. Astro Dark: 20:49 - 04:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
86
31
68
67
73

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
81
42
26
18
7
15

Medium Clouds (% Sky Obscured)

26
22
24
25
24
21
23
21
21
21
79
82
29
8
11
15
6
8
5
0
0
0
0
3

High Clouds (% Sky Obscured)

94
6
7
7
5
2
1
22
19
23
10
7
1
1
44
22
19
46
42
53
28
28
26
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

33
26
4
1
5
9
6
7
4
5
7
7
8
4
3
0
3
2
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
6
5
4
4
3
3
2
3
3
3
3
3
4
5
8
10
11
13
13
12
13

Chance of Frost

Temperature (°C)

3
2
2
3
3
3
3
3
3
3
3
3
4
4
4
5
6
7
10
13
17
18
20
20

Feels Like (°C)

-1
-1
-1
-1
-1
0
1
1
1
2
1
1
1
1
2
3
3
4
7
10
13
17
17
17

Dew Point (°C)

1
1
1
1
2
2
2
3
3
3
3
3
3
3
4
4
4
5
6
8
9
10
11
12

Relative Humidity (%)

89
91
91
91
93
94
96
96
96
98
96
98
96
98
98
93
91
87
80
72
62
57
57
62

Pressure (mb)

1034
1034
1034
1034
1034
1033
1032
1031
1031
1030
1029
1029
1028
1028
1027
1026
1025
1024
1023
1021
1020
1018
1017
1016

Ozone (du)

330
328
328
327
326
326
326
325
324
324
323
324
323
323
324
324
324
325
326
327
329
330
331
331

Friday 3

Waning Gibbous 95%

21:15

07:06

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:19, Set: 19:12, Transit: 12:46. Moon - Rise: 21:15, Set: 07:06. Civil Dark: 19:41 - 05:50. Nautical Dark: 20:15 - 05:16. Astro Dark: 20:51 - 04:40

Total Clouds (% Sky Obscured)

89
100
94
68
45
76
29
33
41
88
100
85
71
52
66
72
65
50
68
75
87
90
93
95

Low Clouds (% Sky Obscured)

23
31
28
28
39
76
20
23
22
29
33
24
14
0
15
31
51
50
55
50
58
69
76
78

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21

High Clouds (% Sky Obscured)

74
100
68
33
0
0
0
0
33
67
100
76
54
30
23
16
7
15
28
40
49
58
67
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
14
13
13
12
12
11
12
10
10
10
9
9
9
8
6
8
11
11
11
11
11
10

Chance of Frost

Temperature (°C)

19
18
17
17
16
16
16
16
15
14
13
12
10
9
9
10
11
11
11
9
9
8
8
7

Feels Like (°C)

16
14
14
14
15
15
14
16
14
12
10
8
7
5
4
6
8
8
8
5
5
4
3
2

Dew Point (°C)

13
12
13
13
13
13
13
14
10
8
7
5
5
3
2
2
3
4
3
1
-0
-2
-2
-2

Relative Humidity (%)

68
71
76
77
79
79
82
86
69
67
65
61
67
67
61
57
56
58
57
54
52
50
51
55

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1019
1020
1021
1023
1024
1025
1026
1027
1027
1028
1028
1028
1028
1028

Ozone (du)

336
339
339
340
343
343
344
344
343
340
340
337
337
337
336
336
335
336
337
336
335
334
333
334

Saturday 4

Waning Gibbous 90%

22:21

07:34

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:17, Set: 19:14, Transit: 12:46. Moon - Rise: 22:21, Set: 07:34. Civil Dark: 19:42 - 05:48. Nautical Dark: 20:16 - 05:14. Astro Dark: 20:52 - 04:38

Total Clouds (% Sky Obscured)

98
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

79
84
91
94
99
100
100
100
100
100
100
100
100
100
100
100
100
68
37
5
19
24
34
40

Medium Clouds (% Sky Obscured)

51
91
96
95
95
85
72
62
51
45
26
40
55
69
48
28
3
5
3
4
33
64
94
96

High Clouds (% Sky Obscured)

22
0
22
47
69
50
25
5
10
5
10
11
7
18
22
27
39
54
76
100
99
94
73
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
9
9
1
0
3
6
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None

Precipitation Probability (%)

2
3
23
31
37
32
29
23
29
29
47
35
13
4
6
4
3
14
23
33
50
58
61
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

10
9
8
7
6
6
6
6
6
6
5
5
4
4
3
4
7
9
11
13
15
15
15
15

Chance of Frost

Temperature (°C)

6
4
4
4
3
4
4
4
4
4
4
4
4
5
5
8
11
14
15
15
16
16
17
17

Feels Like (°C)

1
0
-1
0
0
0
0
1
1
1
1
1
2
2
4
4
5
5
8
10
12
14
13
13

Dew Point (°C)

-2
-1
-1
-1
-1
-0
-0
1
2
2
3
4
4
4
5
6
7
10
11
12
13
14
14
15

Relative Humidity (%)

59
69
72
72
76
76
75
80
85
89
93
96
96
96
98
88
80
75
78
82
85
86
86
87

Pressure (mb)

1028
1028
1028
1028
1027
1027
1026
1025
1023
1022
1021
1019
1018
1017
1015
1014
1012
1011
1009
1008
1006
1006
1005
1004

Ozone (du)

337
339
342
342
344
343
342
338
335
332
331
329
328
327
327
327
327
326
328
329
330
331
331
332

Sunday 5

Waning Gibbous 84%

23:26

08:08

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 Good
16 Good
17 Good

Sun - Rise: 06:15, Set: 19:15, Transit: 12:46. Moon - Rise: 23:26, Set: 08:08. Civil Dark: 19:43 - 05:47. Nautical Dark: 20:18 - 05:12. Astro Dark: 20:53 - 04:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
83
66
52
75
75
72
55
47
60
51
43
31
21
11
2
1

Low Clouds (% Sky Obscured)

45
51
58
65
72
74
77
79
74
66
52
63
61
59
39
20
0
19
34
31
21
11
0
1

Medium Clouds (% Sky Obscured)

96
96
97
99
100
94
86
73
50
26
10
12
12
19
21
13
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
82
66
52
75
75
72
55
33
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

70
78
83
85
91
95
95
93
71
43
22
12
5
0
0
0
0
1
1
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.4
0.4
0.4
0.5
0.8
0.8
0.7
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
11
11
10
9
9
9
9
10
10
11
11
11
11
12
12
13
14
14
14
14
13
12
11

Chance of Frost

Temperature (°C)

16
15
14
13
12
11
9
8
6
5
4
3
4
4
4
5
6
6
7
8
9
9
10
10

Feels Like (°C)

14
14
14
10
10
10
9
8
6
1
1
1
0
0
0
0
1
1
1
1
1
5
4
4

Dew Point (°C)

14
13
11
10
8
7
4
2
-1
-1
-2
-2
-2
-3
-3
-4
-4
-5
-5
-6
-7
-7
-6
-5

Relative Humidity (%)

85
85
82
79
76
73
70
66
62
65
66
67
64
63
61
55
50
45
40
36
32
32
32
34

Pressure (mb)

1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1009
1010
1011
1011
1012
1013
1014
1014
1015
1015
1015
1016

Ozone (du)

332
333
333
334
334
334
335
335
335
345
354
364
369
374
379
385
390
396
398
400
402
403
403
404

Monday 6

Waning Gibbous 76%

00:27

08:50

18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:14, Set: 19:16, Transit: 12:45. Moon - Rise: 00:27, Set: 08:50. Civil Dark: 19:45 - 05:45. Nautical Dark: 20:19 - 05:10. Astro Dark: 20:55 - 04:34

Total Clouds (% Sky Obscured)

1
1
2
3
4
2
3
4
14
26
34
34
36
36
48
61
73
72
71
72

Low Clouds (% Sky Obscured)

1
1
2
3
4
2
3
0
0
0
0
4
8
15
18
13
9
23
39
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
2
2
12
25
33
31
29
27
36
46
55
54
52
50

High Clouds (% Sky Obscured)

0
0
0
1
1
1
0
0
0
0
0
0
0
0
9
15
20
29
9
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
4
9
10
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
7
7
6
6
6
6
6
5
6
6
5
5
5
4
5
6
7
8

Chance of Frost

Temperature (°C)

8
6
5
4
3
2
1
0
-1
-1
-1
-1
-0
1
2
3
4
5
6
6

Feels Like (°C)

4
4
5
0
0
0
0
-1
-1
-3
-3
-3
-3
-3
-3
-1
-0
0
0
1

Dew Point (°C)

-6
-7
-7
-8
-8
-8
-8
-9
-9
-9
-9
-10
-10
-10
-10
-9
-9
-8
-6
-5

Relative Humidity (%)

36
39
43
44
45
48
50
52
54
53
52
50
47
44
41
40
39
39
42
46

Pressure (mb)

1017
1018
1019
1020
1021
1022
1022
1022
1023
1023
1023
1023
1024
1025
1025
1025
1026
1026
1026
1026

Ozone (du)

400
397
393
391
389
386
384
382
379
378
376
375
376
377
378
378
378
378
377
376

Forecast for Boxford, Essex, United States of America (42.66,-70.99)

Generated: 31/03/26 18:25:35. Forecast: 31/03/26 to 06/04/26. Timezone: UTC-4.00