Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 20

Waning Gibbous 59%

03:41

10:03

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

Sun - Rise: 05:56, Set: 20:23, Transit: 13:09. Moon - Rise: 03:41, Set: 10:03. Civil Dark: 21:02 - 05:17. Nautical Dark: 21:52 - 04:27. Astro Dark: 22:53 - 03:26

Total Clouds (% Sky Obscured)

83
100
100
87
93
80
70
73
76
60
44
35
34
24
29
26
29
33
40
62
67
69
88
85

Low Clouds (% Sky Obscured)

27
38
23
26
6
1
1
14
27
19
28
21
21
13
11
8
3
10
0
0
23
9
12
4

Medium Clouds (% Sky Obscured)

88
89
42
42
40
24
29
50
63
28
22
20
19
15
17
19
25
28
38
56
56
54
76
85

High Clouds (% Sky Obscured)

18
4
2
13
4
18
19
9
2
0
0
2
0
0
0
0
0
0
0
0
0
0
0
2

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
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
3
6
2
3

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)

12
7
7
7
4
4
4
4
5
8
9
10
9
8
8
8
8
8
8
8
8
10
10
10

Chance of Frost

Temperature (°C)

9
9
8
8
6
6
6
5
7
8
9
10
11
12
13
14
14
15
15
14
12
12
11
10

Feels Like (°C)

5
6
5
5
4
4
3
4
5
5
7
9
10
11
12
13
13
13
13
12
10
9
9
7

Dew Point (°C)

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

Relative Humidity (%)

73
72
74
74
90
90
88
83
76
69
61
57
56
55
53
52
52
52
59
68
72
73
77
85

Pressure (mb)

1011
1011
1011
1010
1010
1010
1009
1010
1010
1010
1009
1009
1009
1008
1008
1007
1007
1006
1006
1006
1006
1007
1007
1007

Ozone (du)

377
378
376
374
375
375
375
375
375
374
372
371
370
369
368
368
368
368
367
367
366
367
368
370

Monday 21

Third Quarter 48%

04:06

11:28

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
22 Bad
23 Bad

Sun - Rise: 05:54, Set: 20:25, Transit: 13:09. Moon - Rise: 04:06, Set: 11:28. Civil Dark: 21:04 - 05:14. Nautical Dark: 21:55 - 04:24. Astro Dark: 22:56 - 03:22

Total Clouds (% Sky Obscured)

87
72
90
100
99
100
100
100
100
100
100
100
100
100
100
100
88
94
96
70
66
66
80
83

Low Clouds (% Sky Obscured)

0
0
0
0
39
49
54
63
70
75
79
93
92
96
96
79
67
84
96
58
63
61
64
67

Medium Clouds (% Sky Obscured)

86
72
83
68
68
98
97
98
100
100
100
100
91
69
96
96
86
83
60
21
0
0
21
26

High Clouds (% Sky Obscured)

2
3
3
2
2
65
55
48
100
100
100
56
60
44
46
82
3
2
2
11
42
3
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
7
9
9
6
7
9
7
5
7
8
9
8
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
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

2
5
12
34
57
55
48
70
88
87
80
88
80
82
95
78
48
26
9
12
9
20
21
32

Precipitation Amount (mm)

0
0
0
0
0.3
0
0
0.4
0.5
0.4
0.4
0.6
0.5
0.6
1
0.5
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
9
9
9
9
9
10
10
10
11
10
10
11
11
10
10
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
91
88
85
88
87
87
91
95
93
91
95
95
95
93
90
85
85
90
91
93
93
91

Pressure (mb)

1007
1007
1006
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1009
1009
1009
1009
1010
1011
1011
1012
1012

Ozone (du)

371
372
373
374
375
376
378
378
375
373
373
372
372
373
371
371
374
374
376
378
379
383
390
389

Tuesday 22

Waning Crescent 37%

04:23

12:57

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
22 Bad
23 Bad

Sun - Rise: 05:51, Set: 20:27, Transit: 13:09. Moon - Rise: 04:23, Set: 12:57. Civil Dark: 21:06 - 05:12. Nautical Dark: 21:57 - 04:21. Astro Dark: 23:00 - 03:18

Total Clouds (% Sky Obscured)

78
71
82
80
53
59
38
70
74
64
70
84
97
98
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
71
73
67
53
48
38
66
68
59
52
50
62
66
65
67
58
75
77
73
64
95
100
100

Medium Clouds (% Sky Obscured)

19
0
27
16
15
5
4
5
12
17
45
41
21
34
81
98
100
97
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
1
50
3
17
38
2
2
0
2
23
42
50
82
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
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
9
9
14
28
1
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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

29
16
28
24
19
3
1
1
0
14
31
22
10
4
14
18
28
25
36
37
42
64
89
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
0.3
0.6
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
8
8
8
9
10
11
11
12
12
12
12
12
12
12
12
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
87
87
88
88
88
88
84
77
76
76
72
71
69
66
66
67
70
75
79
77
77
81

Pressure (mb)

1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014

Ozone (du)

387
388
386
385
384
383
384
385
387
389
387
387
385
383
381
376
374
372
376
375
377
377
376
377

Wednesday 23

Waning Crescent 26%

04:35

14:26

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 Good
21 Good
22 Good
23 Bad

Sun - Rise: 05:49, Set: 20:29, Transit: 13:09. Moon - Rise: 04:35, Set: 14:26. Civil Dark: 21:08 - 05:10. Nautical Dark: 22:00 - 04:18. Astro Dark: 23:04 - 03:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
96
89
83
83
76
72
61
43
26
18
10
1
1
63

Low Clouds (% Sky Obscured)

74
68
62
56
52
48
44
29
15
0
3
21
23
25
18
13
17
20
22
16
8
0
0
18

Medium Clouds (% Sky Obscured)

100
100
100
100
97
93
89
75
75
85
62
53
44
47
49
52
43
40
26
18
10
0
0
0

High Clouds (% Sky Obscured)

100
86
71
57
71
86
94
92
99
86
53
27
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
3
2
2
2
4
7
8
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
95
95
95
72
53
34
12
9
7
11
7
15
16
7
5
3
1
0
0
0
0

Precipitation Amount (mm)

1.3
1.3
1.5
2.1
1.5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
91
91
91
93
93
91
90
90
90
88
86
84
86
84
75
70
70
71
74
81
90
91
91

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1013
1013
1014
1015
1016
1016
1017
1017
1018
1018
1019
1019
1020
1021
1022
1023
1023

Ozone (du)

378
379
378
378
378
377
378
382
386
388
386
382
382
384
388
388
388
385
384
385
382
377
373
372

Thursday 24

Waning Crescent 17%

04:45

15:57

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

Sun - Rise: 05:47, Set: 20:30, Transit: 13:09. Moon - Rise: 04:45, Set: 15:57. Civil Dark: 21:10 - 05:07. Nautical Dark: 22:02 - 04:15. Astro Dark: 23:08 - 03:10

Total Clouds (% Sky Obscured)

65
7
5
3
11
18
21
23
60
85
91
95
98
93
88
78
67
12
9
29
39
49
55
68

Low Clouds (% Sky Obscured)

20
2
2
1
10
18
21
23
31
33
46
57
71
55
39
26
17
10
2
14
7
0
3
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
19
30
41
48

High Clouds (% Sky Obscured)

0
0
0
0
1
2
2
2
31
50
40
35
35
25
15
10
5
0
1
1
0
2
6
8

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
1
1
0
0
1
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
6
6
5
6
5
4
3
4
5
5
4
4
4
4
4
4
5
4
4
5
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
6
6
4
4
5
5
6
6
7
8
9
10
12
12
12
12
13
14
13
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

75
77
88
88
86
85
83
80
73
68
65
61
59
58
58
58
58
59
61
70
73
80
84
84

Pressure (mb)

1023
1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1024
1024
1025
1025
1026
1026

Ozone (du)

371
371
371
370
367
368
367
365
363
362
362
361
359
356
357
358
356
356
354
352
350
349
347
346

Friday 25

Waning Crescent 9%

04:54

17:29

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
22 Bad
23 Bad

Sun - Rise: 05:45, Set: 20:32, Transit: 13:09. Moon - Rise: 04:54, Set: 17:29. Civil Dark: 21:12 - 05:05. Nautical Dark: 22:05 - 04:12. Astro Dark: 23:12 - 03:05

Total Clouds (% Sky Obscured)

78
77
81
90
90
90
90
90
95
95
95
92
93
93
89
71
71
74
78
81
88
94
87
81

Low Clouds (% Sky Obscured)

10
6
3
0
0
0
0
2
13
37
44
51
58
53
48
43
33
31
29
37
45
54
51
52

Medium Clouds (% Sky Obscured)

52
50
53
64
73
81
85
85
89
89
83
73
64
60
56
48
50
52
60
71
77
84
80
80

High Clouds (% Sky Obscured)

23
29
44
50
60
65
70
65
65
65
65
60
60
60
61
61
61
73
74
77
79
81
66
49

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
2
6
1
11
19
27
31
33
36
35
32
34
43
49
55
64
63

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
4
4
4
3
4
4
4
4
5
6
6
7
8
8
8
9
9
9
9
9
9
8
9

Relative Humidity (%)

82
84
82
83
83
83
83
82
81
78
76
78
80
83
84
85
88
88
90
91
93
93
93
95

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

344
343
342
342
341
341
341
341
340
340
340
341
342
343
344
345
346
345
345
345
346
348
350
350

Saturday 26

Waning Crescent 3%

05:04

19:05

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
22 OK
23 Bad

Sun - Rise: 05:43, Set: 20:34, Transit: 13:08. Moon - Rise: 05:04, Set: 19:05. Civil Dark: 21:15 - 05:02. Nautical Dark: 22:08 - 04:09. Astro Dark: 23:16 - 03:01

Total Clouds (% Sky Obscured)

73
69
67
66
65
68
73
69
65
66
70
80
83
88
92
97
90
84
78
65
51
41
35
41

Low Clouds (% Sky Obscured)

46
37
23
13
12
16
20
20
20
15
27
39
52
64
77
88
78
67
55
46
35
28
28
28

Medium Clouds (% Sky Obscured)

70
65
60
50
50
45
44
40
40
50
60
65
75
75
75
75
58
38
20
12
7
2
1
1

High Clouds (% Sky Obscured)

30
36
46
54
58
61
73
69
64
51
51
37
17
19
21
24
37
47
55
43
31
21
15
8

ISS Passover

Visibility (miles)

6
6
6
6
6
7
7
8
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

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

Precipitation Probability (%)

65
65
63
64
57
50
43
42
39
36
35
28
21
23
27
31
30
29
27
20
10
2
1
0

Precipitation Amount (mm)

0.3
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
95
95
93
95
93
93
95
93
93
95
93
92
89
87
89
89
89
90
91
93
93

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1025
1026
1026
1026
1026
1027
1027

Ozone (du)

351
351
353
354
356
357
358
359
360
362
363
363
364
364
365
367
368
370
372
374
377
380
383
383

Forecast for Lancaster, Lancashire, United Kingdom (54.05,-2.80)

Generated: 20/04/25 04:22:51. Forecast: 20/04/25 to 26/04/25. Timezone: UTC+1.00