Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 15

Waning Crescent 8%

05:30

14:56

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

Sun - Rise: 06:10, Set: 18:04, Transit: 12:08. Moon - Rise: 05:30, Set: 14:56. Civil Dark: 18:39 - 05:36. Nautical Dark: 19:19 - 04:55. Astro Dark: 20:01 - 04:13

Total Clouds (% Sky Obscured)

100
100
76
17
34
64
99
59
36
8
1
5
100
91
77
30
48
100
82
91
92
100
100
92

Low Clouds (% Sky Obscured)

100
76
0
17
34
35
42
47
33
5
0
0
0
0
21
27
33
47
65
35
58
50
78
76

Medium Clouds (% Sky Obscured)

43
48
76
0
0
25
98
59
4
4
1
3
35
40
32
5
48
13
17
40
91
100
73
72

High Clouds (% Sky Obscured)

35
0
0
0
0
0
0
0
0
0
0
5
100
50
65
30
25
100
63
67
65
100
65
63

ISS Passover

Visibility (miles)

7
9
3
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

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

Precipitation Probability (%)

95
53
54
4
4
2
19
30
1
1
0
0
0
0
0
0
0
0
11
4
4
12
18
13

Precipitation Amount (mm)

1.4
0
0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
6
7
3
3
3
3
2
2
2
1
2
1
1
1
2
2
3
4
4
4
5
5
6

Relative Humidity (%)

85
78
91
82
83
88
85
85
85
83
82
94
83
86
91
89
82
78
78
73
75
69
68
74

Pressure (mb)

1004
1004
1006
1006
1007
1007
1008
1008
1009
1010
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1012

Ozone (du)

354
365
382
391
393
399
406
410
415
413
413
409
406
401
399
400
397
398
400
398
395
388
377
371

Monday 16

Waning Crescent 3%

05:42

No Set

16 Bad
17 Bad
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

Sun - Rise: 06:08, Set: 18:06, Transit: 12:08. Moon - Rise: 05:42, Set: No Set. Civil Dark: 18:40 - 05:33. Nautical Dark: 19:21 - 04:53. Astro Dark: 20:03 - 04:11

Total Clouds (% Sky Obscured)

97
100
99
100
100
100
96
100
100
100
100
100
91
82
89
100
68
70
70
67
65
59
56
50

Low Clouds (% Sky Obscured)

76
100
90
72
67
52
56
79
78
49
42
45
56
63
70
76
68
70
70
67
61
56
54
46

Medium Clouds (% Sky Obscured)

86
39
40
35
94
93
27
19
3
70
95
44
23
25
29
62
11
0
2
2
0
0
0
0

High Clouds (% Sky Obscured)

72
75
43
67
98
100
51
100
100
100
100
100
71
29
13
100
11
16
7
6
23
8
13
5

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 (%)

17
10
3
1
0
1
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)

16
15
17
16
16
15
14
13
13
13
12
12
12
13
13
14
14
16
17
17
17
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
7
6
7
7
7
7
7
7
7
7
6
6
6
6
6
6
7
6
6
6
7
8
8

Relative Humidity (%)

81
85
85
87
87
87
87
90
91
91
93
93
94
96
94
87
87
81
73
67
63
61
63
67

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013

Ozone (du)

367
363
364
363
363
364
363
362
357
353
348
343
341
341
341
341
342
342
341
339
338
337
336
335

Tuesday 17

Waning Crescent 0%

05:52

16:19

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

Sun - Rise: 06:05, Set: 18:08, Transit: 12:07. Moon - Rise: 05:52, Set: 16:19. Civil Dark: 18:42 - 05:31. Nautical Dark: 19:23 - 04:50. Astro Dark: 20:05 - 04:08

Total Clouds (% Sky Obscured)

41
50
52
60
63
58
2
0
3
16
21
19
20
20
7
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

38
46
49
60
63
57
0
0
3
16
21
19
20
19
7
0
0
0
0
0
0
0
0
0

Medium 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

High Clouds (% Sky Obscured)

2
3
2
0
3
3
2
0
0
0
0
0
3
3
0
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
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
13
10
9
10
10
9
8
8
7
6
6
6
6
5
5
4
6
6
6
6
7
7
8

Chance of Frost

Temperature (°C)

14
13
11
10
9
9
8
8
7
7
6
6
6
6
6
6
8
10
12
14
15
16
16
16

Feels Like (°C)

12
11
10
8
8
7
7
7
6
6
6
6
6
5
5
6
7
10
12
13
14
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

70
74
81
87
90
91
93
91
93
93
93
91
93
93
93
91
85
80
75
70
67
64
64
65

Pressure (mb)

1014
1014
1015
1015
1016
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1022
1022
1023
1023
1023
1023
1023
1023

Ozone (du)

334
333
332
331
331
331
331
331
331
332
331
331
331
331
332
332
332
331
331
332
332
332
332
333

Wednesday 18

Waning Crescent 0%

06:02

17:43

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

Sun - Rise: 06:03, Set: 18:10, Transit: 12:07. Moon - Rise: 06:02, Set: 17:43. Civil Dark: 18:44 - 05:28. Nautical Dark: 19:25 - 04:48. Astro Dark: 20:07 - 04:05

Total Clouds (% Sky Obscured)

0
0
8
15
20
18
18
18
17
16
16
28
38
45
42
36
31
52
50
58
71
79
78
54

Low Clouds (% Sky Obscured)

0
0
8
15
20
18
18
18
17
16
16
27
29
31
34
35
31
34
36
37
43
49
55
54

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
33
55
37
18
0
3

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
15
31
36
31
21
15
43
50
58
67
67
59
27

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)

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

Chance of Frost

Temperature (°C)

15
13
11
10
9
8
8
8
7
7
6
6
6
5
5
6
8
10
11
12
13
13
13
13

Feels Like (°C)

15
13
11
9
8
8
7
7
6
6
6
6
6
5
5
7
8
11
11
12
13
12
11
10

Dew Point (°C)

10
10
8
7
7
6
6
5
4
3
3
2
2
1
1
2
3
3
3
3
3
3
3
3

Relative Humidity (%)

72
79
81
83
87
87
87
84
82
79
79
76
75
75
75
75
69
62
58
54
50
49
50
53

Pressure (mb)

1023
1024
1024
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027

Ozone (du)

336
338
339
340
340
340
341
342
342
341
341
343
345
346
346
348
347
348
347
348
347
353
360
362

Thursday 19

New Moon 3%

06:13

19:09

16 Bad
17 Bad
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

Sun - Rise: 06:00, Set: 18:12, Transit: 12:07. Moon - Rise: 06:13, Set: 19:09. Civil Dark: 18:46 - 05:26. Nautical Dark: 19:27 - 04:45. Astro Dark: 20:09 - 04:02

Total Clouds (% Sky Obscured)

58
78
91
93
72
77
77
73
98
99
100
100
100
100
92
92
93
94
97
100
100
100
100
95

Low Clouds (% Sky Obscured)

58
71
70
69
61
52
52
46
53
57
61
61
63
66
75
72
70
72
74
76
78
80
70
61

Medium Clouds (% Sky Obscured)

9
12
12
8
9
5
3
0
0
0
0
0
0
0
1
2
2
2
1
1
5
9
16
19

High Clouds (% Sky Obscured)

20
28
58
72
45
62
51
50
94
97
100
100
100
100
86
88
89
93
96
100
100
99
98
88

ISS Passover

Visibility (miles)

9
9
9
9
9
6
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
5
4
4
5
4
4
4
3
2
2
2
2
2
2
3
3
3
3
4
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

58
66
68
71
82
94
98
98
96
94
93
93
88
90
93
90
85
81
77
71
67
64
63
62

Pressure (mb)

1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025

Ozone (du)

365
374
377
375
376
375
375
376
377
376
376
374
372
369
368
369
369
370
372
373
374
373
373
372

Friday 20

Waxing Crescent 9%

06:26

20:38

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

Sun - Rise: 05:58, Set: 18:13, Transit: 12:07. Moon - Rise: 06:26, Set: 20:38. Civil Dark: 18:48 - 05:24. Nautical Dark: 19:29 - 04:43. Astro Dark: 20:11 - 04:00

Total Clouds (% Sky Obscured)

80
52
38
26
16
36
60
84
82
87
88
73
60
45
44
43
46
43
41
43
54
66
72
79

Low Clouds (% Sky Obscured)

49
38
25
12
0
7
13
20
24
26
17
12
10
10
12
21
28
29
34
38
40
39
35
39

Medium Clouds (% Sky Obscured)

22
17
8
4
0
1
1
2
4
7
9
13
14
18
20
22
24
28
32
40
45
41
36
27

High Clouds (% Sky Obscured)

80
52
38
26
16
27
35
42
54
66
78
70
60
45
44
43
46
43
41
43
40
20
0
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
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
7
10
11
15
17
19
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
75
82
86
89
94
94
94
94
93
93
91
91
89
89
83
79
74
72
71
70
73
78
82

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020

Ozone (du)

375
379
382
384
386
388
388
387
387
390
392
395
400
406
411
420
429
438
446
453
460
455
449
444

Saturday 21

Waxing Crescent 17%

06:43

22:11

16 Bad
17 Bad
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

Sun - Rise: 05:56, Set: 18:15, Transit: 12:06. Moon - Rise: 06:43, Set: 22:11. Civil Dark: 18:50 - 05:21. Nautical Dark: 19:31 - 04:40. Astro Dark: 20:14 - 03:57

Total Clouds (% Sky Obscured)

84
89
81
71
61
61
59
57
52
56
54
52
49
46
51
55
60
54
49
47

Low Clouds (% Sky Obscured)

43
47
50
53
56
54
51
49
47
44
42
43
49
46
51
44
33
47
49
47

Medium Clouds (% Sky Obscured)

20
17
12
8
2
5
7
10
13
14
20
13
8
1
1
1
2
2
2
2

High Clouds (% Sky Obscured)

1
2
2
3
4
4
2
1
1
1
1
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
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 (%)

19
19
21
22
24
22
20
17
19
20
20
19
17
16
16
16
15
16
15
12

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)

13
12
11
11
10
11
11
12
12
13
14
15
15
15
15
15
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
85
85
85
85
82
80
79
79
80
82
83
85
89
86
83
82
82
82

Pressure (mb)

1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1015
1015
1015
1014
1014
1014
1014
1014
1013

Ozone (du)

438
432
426
424
422
420
417
414
411
409
406
404
403
402
401
406
410
414
417
420

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

Generated: 15/03/26 15:47:17. Forecast: 15/03/26 to 21/03/26. Timezone: UTC+0.00