Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 2

Full Moon 99%

20:33

06:29

12 Bad
13 Bad
14 OK
15 Good
16 Good
17 Good
18 Good
19 OK
20 OK
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: 06:27, Set: 19:37, Transit: 13:03. Moon - Rise: 20:33, Set: 06:29. Civil Dark: 20:12 - 05:52. Nautical Dark: 20:55 - 05:09. Astro Dark: 21:41 - 04:22

Total Clouds (% Sky Obscured)

62
81
27
13
13
6
0
43
42
66
100
98
97
91
100
100
97
100
98
98
100
100
100
90

Low Clouds (% Sky Obscured)

64
42
42
43
48
21
24
42
42
65
46
0
77
68
61
81
89
100
96
92
100
89
92
80

Medium Clouds (% Sky Obscured)

3
0
0
0
9
28
97
11
42
23
64
74
97
91
97
96
89
32
36
48
49
39
42
13

High Clouds (% Sky Obscured)

1
4
4
3
43
89
64
13
42
66
98
90
46
62
51
53
25
14
3
33
97
100
99
61

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
9
14
17
26
42
47
55
44
26
12
4
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
7
8
7
10
7
6
7
9
11
12
13
13
13
14
16
17
18
18
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
56
52
49
55
57
59
75
74
77
79
81
82
81
79
81
85
84
84
82
85
88
90
90

Pressure (mb)

1022
1021
1021
1020
1020
1020
1019
1018
1018
1018
1017
1016
1015
1015
1014
1013
1012
1011
1010
1010
1009
1009
1008
1008

Ozone (du)

382
383
382
380
383
388
388
388
391
393
395
399
398
399
396
395
392
392
389
389
390
390
388
388

Friday 3

Waning Gibbous 96%

21:50

06:42

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Good
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: 06:25, Set: 19:38, Transit: 13:03. Moon - Rise: 21:50, Set: 06:42. Civil Dark: 20:14 - 05:49. Nautical Dark: 20:57 - 05:06. Astro Dark: 21:44 - 04:19

Total Clouds (% Sky Obscured)

87
73
76
77
75
95
100
98
74
48
8
44
41
79
71
94
100
100
97
97
100
100
85
88

Low Clouds (% Sky Obscured)

78
59
54
55
49
67
65
94
46
33
0
44
41
78
49
42
43
37
31
65
100
100
69
86

Medium Clouds (% Sky Obscured)

5
16
28
27
21
30
29
40
15
0
0
5
3
11
23
88
92
97
93
93
68
56
41
2

High Clouds (% Sky Obscured)

65
73
60
60
60
81
100
94
65
40
8
15
12
22
39
40
69
97
29
7
15
55
5
7

ISS Passover

Visibility (miles)

9
9
9
7
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
24
37
49
66
71
38
23
23
10
2
0
1
2
7
5
0
2
0
1
0
2
7
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
18
20
22
22
20
19
19
18
15
14
10
9
8
8
8
8
7
6
5
5
7
8
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
86
76
80
87
83
83
81
80
84
81
88
91
93
94
94
91
90
91
86
88
87
85
82

Pressure (mb)

1007
1007
1006
1006
1006
1006
1006
1007
1008
1010
1011
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014

Ozone (du)

387
385
381
383
385
388
391
394
393
392
390
387
385
384
383
384
385
387
387
387
386
384
384
381

Saturday 4

Waning Gibbous 91%

23:08

06:58

12 Bad
13 Bad
14 Bad
15 Bad
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 OK
10 OK
11 Bad

Sun - Rise: 06:22, Set: 19:40, Transit: 13:02. Moon - Rise: 23:08, Set: 06:58. Civil Dark: 20:16 - 05:47. Nautical Dark: 20:59 - 05:03. Astro Dark: 21:46 - 04:16

Total Clouds (% Sky Obscured)

90
92
100
73
86
100
100
100
100
99
99
100
71
66
52
100
99
74
70
80
50
34
20
40

Low Clouds (% Sky Obscured)

71
63
47
64
66
74
48
85
61
52
69
81
64
48
33
10
15
1
9
22
1
24
20
38

Medium Clouds (% Sky Obscured)

36
65
40
9
55
75
76
72
57
53
98
100
27
6
14
87
12
5
0
1
12
6
0
0

High Clouds (% Sky Obscured)

54
8
91
5
3
99
100
100
100
62
89
61
11
3
6
100
44
57
29
26
4
3
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
2
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
5
3
0
0
10
6
1
0
0
8
48
71
10
0
0
5
5
9
0
0
0
15
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
20
23
22
25
24
23
24
25
27
27
26
25
22
21
20
18
16
16
15
17
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
9
9
10
12
10
7
6
5
4
4
3
3
3
1
1
-1
-0
0
-0
1
2
3
4

Dew Point (°C)

9
11
11
10
10
10
8
7
6
5
5
7
7
7
3
2
2
2
1
-1
0
2
1
1

Relative Humidity (%)

87
87
82
70
69
68
69
70
65
63
64
75
76
78
68
69
70
72
75
66
66
67
61
57

Pressure (mb)

1013
1011
1010
1009
1008
1007
1006
1004
1003
1002
1001
1000
1000
1001
1002
1003
1004
1006
1007
1009
1010
1011
1012
1013

Ozone (du)

381
381
379
379
378
377
373
377
376
378
379
382
386
390
397
399
398
396
396
395
395
397
397
395

Sunday 5

Waning Gibbous 85%

00:23

07:21

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Good
19 OK
20 Good
21 OK
22 OK
23 OK
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: 06:20, Set: 19:42, Transit: 13:02. Moon - Rise: 00:23, Set: 07:21. Civil Dark: 20:17 - 05:44. Nautical Dark: 21:01 - 05:01. Astro Dark: 21:49 - 04:13

Total Clouds (% Sky Obscured)

56
71
82
100
70
44
5
20
8
35
39
40
93
90
98
98
88
88
82
80
78
76
86
93

Low Clouds (% Sky Obscured)

56
49
38
30
23
17
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
10
19

Medium Clouds (% Sky Obscured)

0
65
33
45
30
14
0
0
0
0
13
27
40
24
19
10
14
18
23
20
20
17
17
22

High Clouds (% Sky Obscured)

0
3
2
2
2
2
3
20
5
15
6
3
14
43
74
98
73
54
45
49
61
62
74
85

ISS Passover

Visibility (miles)

9
6
9
9
7
8
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 (%)

21
23
15
26
40
12
1
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)

20
19
18
19
19
17
15
13
10
9
9
8
7
7
6
5
5
5
5
6
7
8
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
49
51
48
54
61
63
66
70
72
75
76
77
79
80
82
83
85
86
85
77
70
66
62

Pressure (mb)

1014
1015
1016
1017
1017
1018
1019
1020
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

394
392
392
393
394
395
395
394
392
389
389
389
385
383
382
380
378
377
376
373
371
371
371
371

Monday 6

Waning Gibbous 77%

01:34

07:54

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

Sun - Rise: 06:18, Set: 19:44, Transit: 13:02. Moon - Rise: 01:34, Set: 07:54. Civil Dark: 20:19 - 05:42. Nautical Dark: 21:03 - 04:58. Astro Dark: 21:51 - 04:09

Total Clouds (% Sky Obscured)

100
100
100
75
58
39
30
31
32
30
19
32
41
19
7
12
53
78
99
23
14
6
1
1

Low Clouds (% Sky Obscured)

29
31
33
35
23
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

25
21
24
2
2
2
19
31
32
30
9
32
6
19
3
2
25
2
2
2
2
1
1
1

High Clouds (% Sky Obscured)

100
100
100
73
51
31
12
6
30
30
18
32
41
7
3
6
47
75
99
23
14
6
1
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
57
56
55
56
58
66
73
80
74
75
81
84
87
88
90
90
91
91
91
85
78
73
69

Pressure (mb)

1023
1022
1022
1021
1020
1020
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1015
1014
1014
1013
1019
1019
1018
1018

Ozone (du)

370
370
369
368
367
368
368
368
368
369
372
373
373
370
368
366
363
361
360
360
359
358
357
357

Tuesday 7

Waning Gibbous 69%

02:34

08:40

12 Good
13 Good
14 Good
15 Good
16 OK
17 OK
18 OK
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 OK
09 OK
10 OK
11 Bad

Sun - Rise: 06:15, Set: 19:45, Transit: 13:02. Moon - Rise: 02:34, Set: 08:40. Civil Dark: 20:21 - 05:40. Nautical Dark: 21:05 - 04:55. Astro Dark: 21:54 - 04:06

Total Clouds (% Sky Obscured)

0
0
1
1
1
3
5
24
45
70
76
86
87
78
87
91
83
75
71
57
36
14
33
50

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
2
9
21
30
34
33
32
33
39
65
66
60
50
34
13
1
1
1

Medium Clouds (% Sky Obscured)

0
0
1
1
1
1
1
13
26
38
43
49
46
45
47
49
45
45
41
28
15
1
2
2

High Clouds (% Sky Obscured)

0
0
1
1
1
0
0
4
9
15
28
41
52
52
51
51
43
31
23
35
36
14
33
50

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
1
5
9
18
18
19
30
32
24
19
10
2
1
0
0
2
1
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)

15
17
17
17
17
16
15
13
12
11
11
12
13
14
14
14
14
12
9
8
10
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
14
13
13
13
12
13
10
10
10
10
11
12
4
4
2
2
2
3
3
3
4
5

Dew Point (°C)

8
8
9
10
11
11
11
11
10
10
9
8
6
5
5
5
5
4
4
4
5
5
6
6

Relative Humidity (%)

66
60
64
66
68
72
76
82
83
86
88
87
82
81
81
81
79
79
78
79
77
73
71
65

Pressure (mb)

1017
1016
1015
1015
1014
1014
1014
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

357
357
358
358
359
361
363
365
365
366
367
369
371
374
379
384
389
404
418
432
423
414
406
407

Wednesday 8

Waning Gibbous 59%

03:20

09:40

12 Bad
13 Bad
14 Bad
15 Bad
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: 06:13, Set: 19:47, Transit: 13:01. Moon - Rise: 03:20, Set: 09:40. Civil Dark: 20:23 - 05:37. Nautical Dark: 21:07 - 04:53. Astro Dark: 21:56 - 04:03

Total Clouds (% Sky Obscured)

64
64
55
42
55
77
100
99
98
96
98
99
100
92
82
73
77
84
95
95
98
100
87
72

Low Clouds (% Sky Obscured)

1
7
7
5
5
5
5
17
29
41
45
48
51
46
40
35
35
32
27
20
14
4
1
2

Medium Clouds (% Sky Obscured)

2
16
30
42
48
41
28
46
61
64
65
69
74
68
63
55
57
56
57
52
37
36
24
12

High Clouds (% Sky Obscured)

64
57
29
2
27
48
76
76
69
70
76
88
100
72
44
14
34
60
95
66
33
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
27
37
42
38
37
43
79
95
95
95
95
95
95
67
19
20
31
43
42
35
25
22
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.5
1.1
1.7
1.5
1.8
1.9
0.9
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
55
64
75
86
87
89
90
93
95
96
96
96
96
96
96
96
96
96
96
88
82
75
71

Pressure (mb)

1015
1015
1014
1014
1013
1012
1012
1011
1010
1009
1009
1008
1008
1008
1007
1007
1007
1007
1008
1008
1008
1009
1009
1010

Ozone (du)

409
411
412
412
413
412
411
410
409
409
408
409
409
409
410
411
412
413
414
415
415
415
415
418

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

Generated: 02/04/26 19:33:25. Forecast: 02/04/26 to 08/04/26. Timezone: UTC+1.00