Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 29

Waxing Gibbous 87%

16:39

05:50

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

Sun - Rise: 06:37, Set: 19:31, Transit: 13:04. Moon - Rise: 16:39, Set: 05:50. Civil Dark: 20:06 - 06:02. Nautical Dark: 20:48 - 05:19. Astro Dark: 21:34 - 04:34

Total Clouds (% Sky Obscured)

89
74
91
90
38
30
32
55
66
52
41
57
69
96
59
100
97
61
76
57
52
0
12
14

Low Clouds (% Sky Obscured)

32
57
57
46
38
30
27
18
20
29
38
57
67
30
34
27
25
38
52
42
41
0
12
5

Medium Clouds (% Sky Obscured)

17
13
11
3
5
0
7
13
13
8
0
0
0
35
15
50
48
18
25
14
8
0
0
4

High Clouds (% Sky Obscured)

0
0
0
0
0
6
6
3
0
3
5
2
20
3
2
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
8
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 (%)

40
85
0
2
0
0
0
0
0
0
3
24
30
23
17
18
22
12
23
21
3
1
1
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)

18
16
16
15
15
14
13
13
12
11
14
17
20
21
22
21
18
19
16
17
17
15
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
79
66
71
79
76
80
77
82
86
78
72
75
70
63
60
66
59
64
66
68
70
74
75

Pressure (mb)

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

Ozone (du)

357
355
351
349
349
347
345
343
340
337
334
329
328
327
325
322
319
318
317
314
311
308
307
310

Monday 30

Waxing Gibbous 95%

17:58

06:00

22 OK
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 OK
19 OK
20 Bad
21 Bad

Sun - Rise: 06:34, Set: 19:33, Transit: 13:04. Moon - Rise: 17:58, Set: 06:00. Civil Dark: 20:08 - 05:59. Nautical Dark: 20:50 - 05:17. Astro Dark: 21:36 - 04:31

Total Clouds (% Sky Obscured)

40
45
63
86
96
100
99
95
95
87
87
94
88
85
86
98
91
82
79
57
30
10
50
46

Low Clouds (% Sky Obscured)

24
0
0
52
67
100
93
89
90
78
71
65
38
69
49
92
53
51
43
45
21
10
50
46

Medium Clouds (% Sky Obscured)

16
29
34
31
39
43
46
44
38
37
45
56
43
29
42
52
44
32
42
28
0
0
0
0

High Clouds (% Sky Obscured)

0
0
3
0
0
7
3
3
2
2
4
2
0
0
1
2
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

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
1
6
14
26
28
20
15
5
0
0
0
2
3
22
29
34
23
10
1
1
2

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)

13
11
10
9
10
9
9
8
7
7
7
7
9
10
12
13
13
13
10
8
7
6
4
3

Chance of Frost

Temperature (°C)

6
5
5
5
6
6
7
7
7
7
7
8
10
11
12
13
14
15
15
14
12
11
10
10

Feels Like (°C)

2
2
2
2
1
2
3
3
4
4
5
6
7
8
9
10
10
12
12
13
11
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

78
80
85
88
80
78
81
85
93
94
93
91
91
88
89
80
75
71
73
79
87
93
93
91

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1027
1027
1027
1027
1027
1026
1027
1027
1027
1027

Ozone (du)

313
314
313
313
315
317
316
312
309
307
309
311
312
314
315
315
317
316
317
316
314
315
316
317

Tuesday 31

Waxing Gibbous 99%

19:16

06:10

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
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
21 Bad

Sun - Rise: 06:32, Set: 19:35, Transit: 13:03. Moon - Rise: 19:16, Set: 06:10. Civil Dark: 20:10 - 05:57. Nautical Dark: 20:53 - 05:14. Astro Dark: 21:39 - 04:28

Total Clouds (% Sky Obscured)

52
51
49
66
58
47
60
94
84
96
86
92
84
83
87
60
94
91
94
67
79
89
86
80

Low Clouds (% Sky Obscured)

52
51
49
66
58
44
60
77
78
84
81
81
79
70
87
57
94
91
94
56
71
78
68
55

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
23
1
24
4
11
4
46
4
4
4
0
0
15
25
28
32
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
6
6
3
3
3
3
7
7
6
12
0
6
6
29
4

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
1
1
0
0
0
0
0
0
1
6
18
20
19
8
6
4
12
17
19

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)

3
5
5
6
6
6
5
5
5
6
5
5
6
6
7
8
9
11
11
10
9
8
8
10

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
8
8
8
8
8
9
11
12
13
14
15
14
14
13
13
12
11
11

Feels Like (°C)

9
8
7
7
7
7
6
6
6
6
6
8
9
10
11
12
14
11
11
11
11
10
8
8

Dew Point (°C)

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

Relative Humidity (%)

88
87
85
85
84
84
84
82
82
84
84
82
76
72
68
63
58
63
72
70
69
77
73
68

Pressure (mb)

1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1024
1024
1023
1022
1021
1021
1020
1019
1019
1018
1018
1018

Ozone (du)

317
318
317
318
318
318
319
319
319
322
324
324
323
324
326
328
329
329
329
330
331
333
334
334

Wednesday 1

Waxing Gibbous 100%

20:33

06:19

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 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK

Sun - Rise: 06:29, Set: 19:37, Transit: 13:03. Moon - Rise: 20:33, Set: 06:19. Civil Dark: 20:12 - 05:54. Nautical Dark: 20:55 - 05:11. Astro Dark: 21:41 - 04:25

Total Clouds (% Sky Obscured)

72
67
63
60
57
63
67
65
60
60
64
64
51
22
39
72
78
85
87
89
89
86
43
35

Low Clouds (% Sky Obscured)

56
57
58
44
55
55
52
52
49
46
46
42
29
22
28
35
37
46
43
40
38
37
32
31

Medium Clouds (% Sky Obscured)

19
9
18
3
57
63
55
55
55
6
0
0
2
4
6
10
16
23
82
79
79
76
30
25

High Clouds (% Sky Obscured)

6
27
21
20
15
15
10
5
10
16
20
18
18
1
0
0
2
25
45
37
4
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

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 (%)

15
10
1
2
1
1
8
27
19
8
4
1
0
0
1
1
2
5
14
12
3
1
3
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)

13
12
12
11
10
11
10
10
9
10
11
10
9
9
9
9
8
8
7
7
6
5
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
5
5
3
4
3
4
3
3
2
2
3
5
7
8
7
7
7
7
7
7
6
6

Dew Point (°C)

5
4
4
4
4
4
4
4
4
4
3
3
2
2
2
3
3
4
5
5
5
5
4
4

Relative Humidity (%)

69
70
70
75
85
79
79
81
85
83
83
76
74
65
61
61
62
65
69
77
78
78
78
86

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1014
1014
1013
1013
1013
1012
1012

Ozone (du)

336
337
339
341
345
349
351
354
356
361
363
365
370
373
378
379
377
378
381
386
389
391
395
399

Thursday 2

Full Moon 99%

21:50

06:29

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
21 Bad

Sun - Rise: 06:27, Set: 19:38, Transit: 13:03. Moon - Rise: 21:50, Set: 06:29. Civil Dark: 20:14 - 05:52. Nautical Dark: 20:57 - 05:09. Astro Dark: 21:44 - 04:22

Total Clouds (% Sky Obscured)

51
85
74
53
61
40
47
83
59
62
97
100
99
89
96
94
92
90
82
75
69
58
46
35

Low Clouds (% Sky Obscured)

29
27
24
16
8
1
14
28
41
59
75
92
90
83
76
77
78
79
67
54
42
38
33
29

Medium Clouds (% Sky Obscured)

30
35
38
30
34
21
21
83
33
34
95
99
95
78
87
76
65
53
59
67
69
58
46
35

High Clouds (% Sky Obscured)

0
2
16
5
8
8
8
7
6
23
52
94
71
25
0
1
2
3
5
8
8
8
12
17

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 (%)

3
1
0
0
0
0
0
0
0
3
7
10
17
20
18
19
17
18
20
21
20
18
13
2

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)

5
7
8
9
9
9
8
9
10
10
12
13
14
15
15
15
15
14
14
13
12
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
2
1
2
2
2
1
1
1
0
1
-0
-1
-1
0
1
2
4
4
5
6
6
6
6

Relative Humidity (%)

90
85
76
85
86
88
88
85
85
86
79
68
61
56
54
54
55
58
60
65
70
77
82
88

Pressure (mb)

1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

402
405
407
410
412
416
419
421
425
425
423
422
425
427
425
427
426
425
423
421
419
417
415
413

Friday 3

Waning Gibbous 96%

No Rise

06:42

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
21 Bad

Sun - Rise: 06:25, Set: 19:40, Transit: 13:02. Moon - Rise: No Rise, Set: 06:42. Civil Dark: 20:16 - 05:49. Nautical Dark: 20:59 - 05:06. Astro Dark: 21:46 - 04:19

Total Clouds (% Sky Obscured)

57
78
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
89
79
69
61
52
53

Low Clouds (% Sky Obscured)

38
49
62
61
62
62
56
56
53
54
58
63
59
55
52
47
42
40
32
24
12
13
14
14

Medium Clouds (% Sky Obscured)

57
78
96
97
98
100
100
100
100
100
100
100
100
99
99
98
97
96
84
71
59
49
52
52

High Clouds (% Sky Obscured)

45
74
100
100
100
100
100
100
100
100
100
100
80
62
43
61
79
98
72
47
23
37
41
29

ISS Passover

Visibility (miles)

9
9
9
9
8
6
4
6
8
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
Very 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

Precipitation Probability (%)

4
7
1
29
48
65
75
81
75
60
47
23
16
12
11
11
12
15
15
16
18
15
10
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
11
12
13
13
14
14
16
17
18
18
17
18
19
20
20
20
20
20
21
21
20
20

Chance of Frost

Temperature (°C)

7
7
7
7
7
8
8
9
10
11
11
11
10
11
12
12
12
13
13
13
13
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
91
91
93
94
96
93
90
90
84
80
77
75
73
72
70
67
65
65
66
67
68
68

Pressure (mb)

1008
1008
1007
1007
1006
1006
1005
1004
1004
1003
1004
1004
1005
1004
1004
1004
1004
1003
1003
1002
1002
1002
1002
1002

Ozone (du)

411
409
407
405
403
402
400
399
398
398
399
400
402
403
404
405
406
407
408
409
411
412
412
412

Saturday 4

Waning Gibbous 91%

23:08

06:58

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

Sun - Rise: 06:22, Set: 19:42, Transit: 13:02. Moon - Rise: 23:08, Set: 06:58. Civil Dark: 20:17 - 05:47. Nautical Dark: 21:01 - 05:03. Astro Dark: 21:49 - 04:16

Total Clouds (% Sky Obscured)

58
67
72
81
89
98
96
95
92
83
75
68
71
79
85
86
84
85
77
68
68

Low Clouds (% Sky Obscured)

28
50
71
79
89
96
95
95
92
80
65
49
52
52
51
42
35
28
24
20
17

Medium Clouds (% Sky Obscured)

58
61
60
69
83
96
87
70
51
42
34
30
42
58
75
78
79
78
67
63
54

High Clouds (% Sky Obscured)

22
16
9
13
16
29
38
51
60
60
55
55
55
40
35
35
35
40
27
20
4

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
15
27
41
51
57
55
58
54
47
38
30
25
27
32
33
30
27
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
19
19
19
16
14
12
10
11
10
12
13
14
15
17
18
20
20
20
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
70
72
78
85
91
87
84
78
72
69
65
63
59
56
58
59
62
63
65

Pressure (mb)

1002
1002
1002
1002
1002
1003
1003
1003
1004
1005
1005
1006
1007
1008
1008
1009
1010
1010
1011
1011
1012

Ozone (du)

412
412
412
412
417
422
427
429
430
432
434
436
438
439
441
443
440
438
435
433
432

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 29/03/26 22:30:09. Forecast: 29/03/26 to 04/04/26. Timezone: UTC+1.00