Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

15:59

04:30

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

Sun - Rise: 05:49, Set: 20:25, Transit: 13:08. Moon - Rise: 15:59, Set: 04:30. Civil Dark: 21:02 - 05:12. Nautical Dark: 21:49 - 04:25. Astro Dark: 22:45 - 03:28

Total Clouds (% Sky Obscured)

21
21
21
36
29
36
53
92
67
99
68
41
43
0
5
0
30
46
85
75
100
100
92
98

Low Clouds (% Sky Obscured)

0
15
21
28
25
0
0
34
11
0
35
31
24
0
0
0
30
37
79
65
100
100
82
69

Medium Clouds (% Sky Obscured)

7
4
0
6
3
17
37
75
39
87
68
15
20
0
3
0
0
0
54
9
1
32
25
62

High Clouds (% Sky Obscured)

0
3
4
4
9
8
53
20
3
2
0
0
0
0
0
0
0
0
0
0
0
0
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
1
4
20
17
1
1
0
0
0
0
0
0
0
0
0
0
3
13
1
12
20
12

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
4
1
1
1
1
3
4
6
9
13
15
14
13
14
15
15
16
18
19
17
18
17
16

Chance of Frost

Temperature (°C)

19
20
20
19
19
18
18
17
15
15
14
13
12
12
11
10
9
8
8
9
10
11
12
13

Feels Like (°C)

21
21
21
19
20
18
17
14
13
12
11
10
11
10
8
7
6
5
4
4
5
6
6
8

Dew Point (°C)

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

Relative Humidity (%)

69
68
67
65
70
77
85
90
90
82
83
86
93
93
95
93
95
95
90
88
85
81
81
81

Pressure (mb)

1024
1024
1024
1023
1023
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024

Ozone (du)

381
382
379
379
376
377
378
376
374
374
378
386
394
405
413
416
419
423
429
433
435
433
431
430

Tuesday 28

Waxing Gibbous 93%

17:12

04:42

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

Sun - Rise: 05:47, Set: 20:27, Transit: 13:08. Moon - Rise: 17:12, Set: 04:42. Civil Dark: 21:04 - 05:10. Nautical Dark: 21:51 - 04:22. Astro Dark: 22:47 - 03:25

Total Clouds (% Sky Obscured)

86
100
99
60
100
100
88
52
20
32
35
24
53
80
73
85
58
38
90
95
33
33
10
100

Low Clouds (% Sky Obscured)

65
81
71
34
5
5
0
6
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

86
97
54
60
100
99
44
17
6
15
21
22
53
80
73
85
52
29
75
75
24
33
10
44

High Clouds (% Sky Obscured)

9
0
0
0
9
10
0
0
0
0
0
0
0
0
0
0
0
0
0
70
25
30
10
100

ISS Passover

Visibility (miles)

9
9
9
9
8
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 (%)

8
15
16
17
5
0
0
0
0
0
0
0
0
0
2
12
2
0
0
0
2
1
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)

19
20
20
19
20
19
19
19
17
18
19
21
21
21
22
23
22
23
23
24
25
25
26
26

Chance of Frost

Temperature (°C)

13
13
14
14
14
14
14
13
11
10
9
9
8
8
8
7
8
8
8
9
11
13
15
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
80
75
69
67
69
62
61
60
65
67
68
70
71
70
73
74
78
79
78
76
72
68
67

Pressure (mb)

1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

429
431
433
433
429
431
435
436
429
423
422
420
418
416
413
411
411
411
409
405
398
395
389
386

Wednesday 29

Waxing Gibbous 97%

18:25

04:54

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
12 Bad

Sun - Rise: 05:45, Set: 20:29, Transit: 13:08. Moon - Rise: 18:25, Set: 04:54. Civil Dark: 21:06 - 05:08. Nautical Dark: 21:53 - 04:20. Astro Dark: 22:50 - 03:22

Total Clouds (% Sky Obscured)

99
79
100
97
95
75
100
100
100
100
100
100
100
100
100
100
61
52
68
84
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
9
28
23
18
20
20
20
10
1
1
1
1
1

Medium Clouds (% Sky Obscured)

37
43
57
33
53
0
42
50
51
48
55
60
70
66
33
45
40
52
68
84
100
98
69
67

High Clouds (% Sky Obscured)

99
23
100
97
95
57
100
100
100
100
100
100
100
100
100
100
61
52
62
83
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
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
1
5
5
3
2
6
7
5
6
3
8
2
1
0
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)

27
27
27
26
25
24
25
24
25
25
25
26
26
25
25
24
23
22
21
22
22
23
23
23

Chance of Frost

Temperature (°C)

18
18
18
18
17
17
16
15
14
14
13
13
13
13
13
12
12
12
12
12
13
14
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
66
66
66
67
65
59
54
55
56
58
58
56
61
63
64
63
66
71
74
72
70
67

Pressure (mb)

1019
1018
1018
1018
1018
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

383
381
377
374
369
367
365
363
363
363
363
361
361
360
360
360
362
362
362
362
362
362
363
363

Thursday 30

Waxing Gibbous 99%

19:39

05:09

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 OK
09 OK
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:43, Set: 20:30, Transit: 13:08. Moon - Rise: 19:39, Set: 05:09. Civil Dark: 21:07 - 05:06. Nautical Dark: 21:55 - 04:18. Astro Dark: 22:53 - 03:19

Total Clouds (% Sky Obscured)

99
97
96
98
99
100
99
98
97
96
99
100
96
83
88
83
64
65
51
43
36
55
70
74

Low Clouds (% Sky Obscured)

2
1
2
9
0
1
3
8
15
24
34
47
49
51
57
63
57
59
48
43
36
32
27
20

Medium Clouds (% Sky Obscured)

89
95
95
83
71
65
66
56
78
80
56
57
49
39
35
37
36
35
22
10
0
3
6
9

High Clouds (% Sky Obscured)

77
59
34
56
79
100
94
88
72
75
89
81
63
22
37
1
0
0
1
2
4
32
59
74

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
1
4
6
0
1
3
0
1
3
2
10
15
5
28
25
7
7
3
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)

23
23
22
21
20
19
17
15
13
10
9
9
8
6
4
3
3
3
4
5
7
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
11
11
12
13
13
13
12
13
13
12
12
12
12
11
11
12
12
14
15
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

66
67
67
67
69
74
76
80
80
74
75
75
76
75
77
79
77
86
89
87
84
79
75
70

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020

Ozone (du)

363
362
360
359
359
358
358
360
360
361
362
361
359
359
359
360
359
359
359
359
358
357
357
356

Friday 1

Full Moon 100%

20:53

05:27

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
12 Bad

Sun - Rise: 05:42, Set: 20:32, Transit: 13:08. Moon - Rise: 20:53, Set: 05:27. Civil Dark: 21:09 - 05:04. Nautical Dark: 21:58 - 04:15. Astro Dark: 22:57 - 03:15

Total Clouds (% Sky Obscured)

69
73
79
89
83
97
100
100
100
100
100
100
99
97
90
92
94
97
95
92
90
77
63
66

Low Clouds (% Sky Obscured)

20
18
15
18
20
22
27
31
34
39
46
51
57
59
59
57
52
47
58
70
81
68
61
54

Medium Clouds (% Sky Obscured)

10
10
11
18
26
34
41
52
60
65
60
55
56
57
57
42
24
10
15
20
25
29
32
34

High Clouds (% Sky Obscured)

69
73
79
89
83
97
100
100
100
100
100
100
98
91
85
83
88
96
77
46
20
17
20
23

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
1
1
0
2
2
0
2
4
2
5
8
4
7
8
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
11
11
10
10
11
11
10
9
9
9
9
9
8
8
8
8
9
9
9
10
10
9

Relative Humidity (%)

69
69
73
73
74
76
82
87
88
88
90
91
91
91
90
88
90
90
91
88
84
80
79
76

Pressure (mb)

1020
1020
1020
1020
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

357
357
357
357
356
355
356
357
358
360
366
376
376
374
371
369
371
372
373
376
379
382
382
381

Saturday 2

Waning Gibbous 98%

22:06

05:50

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

Sun - Rise: 05:40, Set: 20:33, Transit: 13:07. Moon - Rise: 22:06, Set: 05:50. Civil Dark: 21:11 - 05:02. Nautical Dark: 22:00 - 04:13. Astro Dark: 23:00 - 03:12

Total Clouds (% Sky Obscured)

74
79
87
88
90
92
81
64
51
39
28
16
40
63
84
82
74
67
70
71
77
83
89
95

Low Clouds (% Sky Obscured)

54
53
53
55
58
61
41
24
5
4
4
4
15
24
31
30
28
29
33
37
41
48
51
47

Medium Clouds (% Sky Obscured)

44
49
50
47
40
32
32
27
31
27
21
12
8
4
0
0
0
0
0
0
1
7
12
18

High Clouds (% Sky Obscured)

46
63
83
86
90
90
81
64
51
39
28
8
7
6
5
10
15
15
15
35
30
18
12
7

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 (%)

12
14
12
13
15
14
13
11
7
5
2
0
0
0
0
0
0
0
1
0
0
13
16
16

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
12
12
9
7
7
6
6
7
7
7
7
6
6
5
5
4
4
4
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
78
80
80
80
80
83
89
91
91
91
91
93
91
91
91
90
91
87
84
81
78
74

Pressure (mb)

1018
1018
1017
1017
1017
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1017
1016
1016

Ozone (du)

381
382
382
383
383
383
383
381
379
377
375
374
372
372
372
371
372
372
372
373
375
376
377
379

Sunday 3

Waning Gibbous 95%

23:15

06:22

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 OK
04 OK
05 OK
06 OK

Sun - Rise: 05:38, Set: 20:35, Transit: 13:07. Moon - Rise: 23:15, Set: 06:22. Civil Dark: 21:13 - 05:00. Nautical Dark: 22:02 - 04:11. Astro Dark: 23:03 - 03:08

Total Clouds (% Sky Obscured)

86
76
67
73
78
84
70
58
55
64
68
68
56
44
31
31
32
28

Low Clouds (% Sky Obscured)

43
42
45
40
34
26
33
40
42
29
26
23
27
31
31
31
31
27

Medium Clouds (% Sky Obscured)

16
14
15
13
14
16
15
13
10
14
24
33
36
34
31
30
23
20

High Clouds (% Sky Obscured)

2
1
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
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

Precipitation Type

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

Precipitation Probability (%)

26
29
29
33
33
30
28
20
1
1
1
0
1
1
0
1
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
5
7
10
9
8
7
5
4
4
4
5
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
14
14
14
14
13
13
12
12
12
11
11
12
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

69
74
78
82
83
83
86
84
84
84
85
87
90
90
91
93
93
93

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

380
382
384
386
389
392
395
395
396
397
396
395
393
390
387
384
383
383

Forecast for Bridport, Dorset, United Kingdom (50.73,-2.76)

Generated: 27/04/26 12:56:04. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+1.00