Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 64%

11:58

03:14

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:35, Set: 19:04, Transit: 12:49. Moon - Rise: 11:58, Set: 03:14. Civil Dark: 19:32 - 06:07. Nautical Dark: 20:05 - 05:34. Astro Dark: 20:39 - 05:00

Total Clouds (% Sky Obscured)

71
77
82
86
100
100
100
100
100
100
100
100
100
100
100
100
93
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
25
32
37
17
47
39
17
50
56
60
67
52
60
54
47
0
0
0
0
3
4
54
77

Medium Clouds (% Sky Obscured)

71
77
82
86
100
99
88
88
92
100
94
100
99
95
80
60
58
97
100
100
94
98
100
100

High Clouds (% Sky Obscured)

71
77
82
86
100
100
100
100
100
100
100
99
26
100
80
86
93
100
100
44
100
100
100
100

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
8

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
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
6
11
43
38
24
32
40
35
32
27
9
5
0
0
0
0
4
22
27
94
95

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
0.5
1.2

Wind Speed/Direction (mph)

11
11
12
11
12
13
13
15
14
15
16
17
16
17
17
15
15
14
13
12
10
10
11
9

Chance of Frost

Temperature (°C)

6
6
5
5
5
5
5
6
6
7
8
8
9
9
11
11
13
15
15
16
15
14
12
11

Feels Like (°C)

1
1
0
0
-0
0
0
0
1
2
2
3
3
4
6
7
8
11
11
12
12
11
9
8

Dew Point (°C)

1
0
0
1
0
0
1
2
5
5
6
6
6
6
6
7
7
6
7
8
8
8
7
7

Relative Humidity (%)

67
67
70
72
72
71
74
79
90
87
87
82
81
80
72
75
70
56
57
57
60
67
71
76

Pressure (mb)

1025
1025
1024
1023
1022
1021
1020
1018
1017
1016
1015
1014
1013
1013
1012
1011
1011
1010
1009
1009
1009
1008
1008
1008

Ozone (du)

381
382
383
383
379
377
379
383
381
378
376
376
372
362
354
353
352
350
344
337
330
325
322
317

Thursday 26

Waxing Gibbous 74%

13:13

03:58

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:33, Set: 19:05, Transit: 12:49. Moon - Rise: 13:13, Set: 03:58. Civil Dark: 19:33 - 06:05. Nautical Dark: 20:06 - 05:32. Astro Dark: 20:40 - 04:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
55
56
78
62
58

Low Clouds (% Sky Obscured)

83
75
76
93
90
87
100
100
100
89
59
60
56
29
25
13
1
0
0
0
0
0
1
2

Medium Clouds (% Sky Obscured)

100
99
100
84
99
53
93
100
94
20
15
34
100
62
97
88
49
90
84
55
50
64
48
0

High Clouds (% Sky Obscured)

77
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
25
10
21
53
16
20

ISS Passover

Visibility (miles)

8
4
4
2
0
0
0
1
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

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
None
None

Precipitation Probability (%)

95
95
95
94
71
95
80
55
42
34
31
13
38
39
9
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.9
0.9
2.2
0.6
0.4
0.7
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
8
5
6
8
3
7
7
8
12
12
12
12
12
13
13
12
10
9
9
8
9
8

Chance of Frost

Temperature (°C)

10
10
10
10
10
11
11
11
10
10
9
9
8
7
7
7
8
8
8
8
7
6
4
3

Feels Like (°C)

8
8
8
9
9
9
10
9
7
7
4
4
3
2
2
1
2
3
3
3
2
1
-1
-2

Dew Point (°C)

7
7
8
9
10
10
10
10
9
8
5
4
2
0
-1
-3
-4
-5
-5
-7
-7
-6
-6
-7

Relative Humidity (%)

81
82
88
96
96
96
96
95
90
88
76
69
68
64
58
51
43
40
40
36
36
43
49
48

Pressure (mb)

1007
1005
1004
1003
1003
1003
1003
1004
1005
1006
1008
1009
1011
1013
1014
1015
1015
1016
1016
1017
1018
1018
1020
1021

Ozone (du)

318
313
311
305
303
297
291
290
288
288
288
288
288
288
287
287
287
291
294
298
299
300
301
301

Friday 27

Waxing Gibbous 74%

14:28

04:32

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

Sun - Rise: 06:32, Set: 19:06, Transit: 12:49. Moon - Rise: 14:28, Set: 04:32. Civil Dark: 19:34 - 06:03. Nautical Dark: 20:07 - 05:30. Astro Dark: 20:42 - 04:56

Total Clouds (% Sky Obscured)

11
47
41
42
49
40
40
35
40
55
57
62
67
73
71
63
56
70
86
97
83
72
60
55

Low Clouds (% Sky Obscured)

1
2
18
21
25
25
35
35
39
55
54
62
64
65
56
32
34
29
30
20
20
15
20
25

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
5
9
21
5
11
86
97
83
72
60
55

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
9
9
6
5
1
2
4
5
5
5
9
7
1
1
1
1
1

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
Snow
Snow
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
5
1
13
17
15
16
18
19
23
21
28
35
35
25
29
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
2
2
1
0
-0
-1
-1
-1
-1
-2
-2
-2
-1
-1
-0
1
2
2
2
2
2
1
1

Feels Like (°C)

-2
-2
-3
-4
-5
-6
-6
-6
-6
-6
-7
-6
-6
-6
-5
-4
-4
-3
-2
-1
-2
-3
-2
-2

Dew Point (°C)

-7
-8
-8
-8
-8
-8
-6
-7
-7
-7
-6
-5
-5
-6
-7
-6
-6
-7
-7
-6
-5
-5
-5
-6

Relative Humidity (%)

47
48
49
51
52
55
65
63
64
67
72
78
77
70
63
65
60
55
53
55
60
63
61
60

Pressure (mb)

1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1025
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1029

Ozone (du)

301
303
307
308
314
313
313
316
320
328
339
360
378
384
394
401
404
408
411
418
443
469
489
500

Saturday 28

Waxing Gibbous 83%

15:40

04:59

21 Bad
22 Good
23 Good
00 Good
01 Good
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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:30, Set: 19:07, Transit: 12:48. Moon - Rise: 15:40, Set: 04:59. Civil Dark: 19:35 - 06:02. Nautical Dark: 20:09 - 05:28. Astro Dark: 20:43 - 04:54

Total Clouds (% Sky Obscured)

55
13
8
11
18
43
66
90
87
76
72
63
58
54
61
63
69
60
57
55
61
75
93
94

Low Clouds (% Sky Obscured)

20
7
2
0
0
0
0
0
1
1
0
5
13
19
13
11
11
10
9
18
6
3
1
0

Medium Clouds (% Sky Obscured)

0
0
2
8
13
23
34
45
29
19
18
13
13
8
9
9
14
12
13
20
30
35
50
76

High Clouds (% Sky Obscured)

0
0
1
3
4
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
32
65
93
94

ISS Passover

Visibility (miles)

8
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 (%)

16
3
1
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)

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

Chance of Frost

Temperature (°C)

1
1
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
1
2
3
5
6
7
7
7
8
7
6
5

Feels Like (°C)

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

Dew Point (°C)

-7
-10
-10
-10
-11
-12
-12
-12
-12
-12
-11
-12
-13
-14
-14
-13
-13
-12
-12
-11
-11
-10
-10
-8

Relative Humidity (%)

55
46
46
47
44
42
43
44
44
44
44
41
34
30
28
26
25
24
25
25
26
28
32
38

Pressure (mb)

1030
1030
1031
1031
1031
1032
1032
1032
1033
1033
1033
1034
1034
1033
1033
1032
1031
1030
1030
1029
1029
1029
1029
1029

Ozone (du)

507
513
520
525
522
514
501
490
482
476
469
464
458
456
451
450
445
439
435
432
423
415
411
408

Sunday 29

Waxing Gibbous 91%

16:50

05:22

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:28, Set: 19:08, Transit: 12:48. Moon - Rise: 16:50, Set: 05:22. Civil Dark: 19:36 - 06:00. Nautical Dark: 20:10 - 05:26. Astro Dark: 20:45 - 04:52

Total Clouds (% Sky Obscured)

92
84
93
100
93
82
73
63
77
85
88
88
84
84
80
78
79
84
90
97
92
87
84
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
5
10
8
3
15
26
19
16
13
19
22
16
11
0
0
0
0
0

Medium Clouds (% Sky Obscured)

85
84
67
70
81
80
73
59
57
57
42
33
24
15
35
43
51
64
79
93
73
52
33
44

High Clouds (% Sky Obscured)

92
84
67
37
4
1
0
0
5
11
20
41
53
77
69
43
27
21
27
70
86
87
84
90

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
1
1
6
12
16
36
46
53
51
42
21
18

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)

9
11
10
10
10
10
10
9
10
10
11
11
12
12
12
12
11
11
11
10
12
11
10
9

Chance of Frost

Temperature (°C)

4
4
3
3
3
2
3
3
3
3
4
4
6
7
8
9
9
10
10
11
11
11
9
8

Feels Like (°C)

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

Dew Point (°C)

-6
-5
-5
-4
-3
-3
-2
-2
-1
-1
-1
-2
-1
-0
0
2
3
4
5
7
9
8
7
6

Relative Humidity (%)

48
53
56
62
65
69
72
74
76
75
73
64
62
59
57
60
63
66
72
77
84
85
87
88

Pressure (mb)

1029
1029
1029
1028
1027
1027
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1022
1021
1020
1020
1019
1019
1019
1019

Ozone (du)

404
402
402
403
402
401
399
397
394
392
390
386
384
381
379
377
375
373
372
371
369
370
371
372

Monday 30

Waxing Gibbous 96%

17:57

05:42

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:26, Set: 19:09, Transit: 12:48. Moon - Rise: 17:57, Set: 05:42. Civil Dark: 19:38 - 05:58. Nautical Dark: 20:11 - 05:25. Astro Dark: 20:46 - 04:50

Total Clouds (% Sky Obscured)

98
98
97
96
94
95
95
94
88
84
72
77
81
83
77
74
82
85
87
89
95
96
93
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
11
16
25
34
43
29
14
0
3
6
8
5
3
0
0

Medium Clouds (% Sky Obscured)

47
41
36
35
34
22
13
2
6
7
9
29
42
52
49
47
42
26
14
2
1
0
0
0

High Clouds (% Sky Obscured)

79
69
50
31
12
30
49
64
50
36
24
19
15
10
7
3
0
0
0
10
39
50
80
82

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 (%)

13
3
3
2
1
15
17
17
13
10
6
4
3
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)

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

Chance of Frost

Temperature (°C)

8
8
9
8
9
9
8
7
7
6
6
5
6
7
8
8
9
10
10
10
11
9
8
7

Feels Like (°C)

2
2
3
2
3
3
4
4
4
4
4
5
2
2
1
2
2
2
6
6
6
7
7
7

Dew Point (°C)

6
7
7
6
7
7
5
4
3
1
-1
-2
-3
-4
-5
-5
-5
-5
-5
-5
-5
-4
-4
-4

Relative Humidity (%)

87
88
88
87
88
87
84
79
76
70
65
59
52
46
39
37
36
35
34
34
34
38
42
47

Pressure (mb)

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

Ozone (du)

373
374
376
376
377
377
374
372
369
369
369
368
372
376
379
377
374
372
371
369
368
369
370
371

Tuesday 31

Waxing Gibbous 99%

19:03

06:02

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

Sun - Rise: 06:25, Set: 19:10, Transit: 12:48. Moon - Rise: 19:03, Set: 06:02. Civil Dark: 19:39 - 05:56. Nautical Dark: 20:12 - 05:23. Astro Dark: 20:47 - 04:48

Total Clouds (% Sky Obscured)

97
97
97
97
97
97
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
6
5
4
3
4
5
18
44
80
85
87
88
92
96
100

Medium Clouds (% Sky Obscured)

0
0
12
23
35
30
31
42
52
71
53
36
50
67
78
88
99

High Clouds (% Sky Obscured)

73
68
69
81
97
97
99
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Ice pellet
Ice pellet

Precipitation Probability (%)

0
0
0
0
0
0
0
0
21
28
31
53
69
84
92
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.7
0.7

Wind Speed/Direction (mph)

6
7
8
9
10
10
10
10
10
11
11
11
11
11
11
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
3
3
2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1

Dew Point (°C)

-3
-2
-1
-2
-3
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3
-1
1

Relative Humidity (%)

52
57
64
61
59
56
57
60
62
61
62
62
62
61
61
69
76

Pressure (mb)

1025
1026
1027
1026
1026
1026
1026
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022

Ozone (du)

370
370
369
370
370
371
373
375
377
376
376
376
373
370
367
365
363

Forecast for Brookline, Norfolk, United States of America (42.33,-71.12)

Generated: 25/03/26 21:57:03. Forecast: 25/03/26 to 31/03/26. Timezone: UTC-4.00