Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waning Gibbous 59%

03:41

10:03

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
00 Bad
01 Bad
02 Bad
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:56, Set: 20:21, Transit: 13:10. Moon - Rise: 03:41, Set: 10:03. Civil Dark: 21:00 - 05:17. Nautical Dark: 21:50 - 04:27. Astro Dark: 22:49 - 03:26

Total Clouds (% Sky Obscured)

81
85
88
89
100
100
100
90
93
93
93
55
83
83
77
58
38
50
63
68
58
55
54
52

Low Clouds (% Sky Obscured)

28
33
25
10
1
9
22
37
40
29
12
0
0
1
0
0
0
0
0
0
0
11
41
30

Medium Clouds (% Sky Obscured)

81
83
81
86
73
100
98
86
84
89
50
39
81
83
64
53
30
34
34
29
28
28
29
21

High Clouds (% Sky Obscured)

81
43
42
56
100
100
100
55
72
53
55
14
3
3
26
18
2
1
41
60
55
55
54
52

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

Very Light Rain
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 (%)

34
4
7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

Precipitation Amount (mm)

0.2
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)

17
16
16
17
17
17
16
15
13
12
11
10
8
7
5
4
4
4
3
4
5
4
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
63
59
57
57
61
61
61
61
66
73
79
88
90
90
90
90
89
91
91
91
81
70
62

Pressure (mb)

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

Ozone (du)

368
367
366
366
367
367
367
368
368
368
369
370
373
375
376
375
375
377
377
377
377
379
379
378

Sunday 20

Waning Gibbous 48%

04:06

No Set

11 Bad
12 OK
13 Good
14 Good
15 Good
16 Good
17 OK
18 OK
19 OK
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

Sun - Rise: 05:54, Set: 20:23, Transit: 13:09. Moon - Rise: 04:06, Set: No Set. Civil Dark: 21:02 - 05:14. Nautical Dark: 21:52 - 04:24. Astro Dark: 22:53 - 03:22

Total Clouds (% Sky Obscured)

62
26
16
11
18
15
29
29
32
49
73
71
72
79
68
69
73
82
88
96
96
100
100
99

Low Clouds (% Sky Obscured)

45
26
16
11
12
15
27
0
0
16
18
24
0
0
0
0
0
52
68
90
91
100
100
93

Medium Clouds (% Sky Obscured)

15
9
2
1
8
2
18
25
30
34
51
41
47
54
68
69
73
62
84
92
96
93
85
98

High Clouds (% Sky Obscured)

62
1
2
0
0
0
0
0
0
5
4
12
3
5
0
1
6
1
0
0
5
45
50
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
8
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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
6
32
57
51
41
24
16
14
17
31

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
9
9
9
9
9
8
9
10
9
9
9
9
9
8
8
8
8
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
55
54
53
52
51
52
59
68
73
80
85
88
88
85
82
85
93
91
93
91
91
88
81

Pressure (mb)

1009
1009
1008
1008
1007
1007
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007
1007
1007
1007
1007

Ozone (du)

379
378
374
374
374
375
376
374
373
373
372
374
375
376
375
376
377
378
378
376
376
376
376
375

Monday 21

Third Quarter 37%

04:23

11:28

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:51, Set: 20:25, Transit: 13:09. Moon - Rise: 04:23, Set: 11:28. Civil Dark: 21:04 - 05:12. Nautical Dark: 21:55 - 04:21. Astro Dark: 22:56 - 03:18

Total Clouds (% Sky Obscured)

100
98
95
93
98
97
100
97
96
97
98
98
93
92
93
96
95
90
98
97
96
96
95
97

Low Clouds (% Sky Obscured)

100
64
54
27
54
82
78
79
64
54
53
65
76
88
82
84
81
66
61
53
63
73
83
87

Medium Clouds (% Sky Obscured)

97
98
94
93
98
86
35
30
30
30
40
41
42
40
38
47
68
87
97
97
95
93
86
63

High Clouds (% Sky Obscured)

50
66
66
65
55
1
0
0
1
43
35
5
14
37
55
55
40
30
30
25
25
20
20
20

ISS Passover

Visibility (miles)

8
7
7
7
5
5
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
7
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

45
50
48
49
54
42
24
27
25
18
17
27
29
37
47
50
35
23
13
9
10
12
13
17

Precipitation Amount (mm)

0
0.2
0
0
0.3
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
7
6
4
2
3
4
4
4
3
3
3
2
2
2
2
2
2
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
91
96
95
96
96
95
92
89
92
91
91
91
90
93
93
95
95
95
95
93
91
87
81

Pressure (mb)

1008
1008
1009
1009
1009
1009
1009
1009
1010
1011
1011
1012
1012
1013
1013
1013
1013
1014
1014
1014
1015
1016
1016
1017

Ozone (du)

374
374
373
372
374
374
375
379
382
375
372
372
372
371
373
375
375
376
377
378
379
380
382
386

Tuesday 22

Waning Crescent 26%

04:35

12:57

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:49, Set: 20:27, Transit: 13:09. Moon - Rise: 04:35, Set: 12:57. Civil Dark: 21:06 - 05:10. Nautical Dark: 21:57 - 04:18. Astro Dark: 23:00 - 03:14

Total Clouds (% Sky Obscured)

98
99
97
72
95
87
67
59
67
83
88
90
95
98
95
93
89
87
83
75
76
77
69
73

Low Clouds (% Sky Obscured)

92
96
82
68
54
46
41
33
35
40
64
55
55
59
54
52
41
43
43
42
43
43
39
46

Medium Clouds (% Sky Obscured)

41
35
43
46
56
38
22
31
37
49
58
72
81
93
87
80
70
57
43
35
42
57
63
73

High Clouds (% Sky Obscured)

25
25
15
3
15
20
14
15
10
15
20
20
35
45
45
45
23
40
31
35
30
35
30
25

ISS Passover

Visibility (miles)

9
7
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
5
5
5
5
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
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

28
28
29
24
25
22
19
15
13
14
12
3
1
0
2
8
16
51
65
71
69
56
34
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
72
70
66
62
63
66
66
75
76
83
82
84
81
82
82
81
81
88
91
91
90
90
88

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1018
1018
1018

Ozone (du)

387
388
390
391
388
388
387
384
380
377
378
378
375
381
382
382
383
381
382
381
379
377
375
371

Wednesday 23

Waning Crescent 17%

04:45

14:26

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 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:47, Set: 20:29, Transit: 13:09. Moon - Rise: 04:45, Set: 14:26. Civil Dark: 21:08 - 05:07. Nautical Dark: 22:00 - 04:15. Astro Dark: 23:04 - 03:10

Total Clouds (% Sky Obscured)

84
96
97
99
100
100
100
96
59
50
82
78
37
37
32
27
23
35
56
74
68
58
48
61

Low Clouds (% Sky Obscured)

55
67
67
66
61
51
42
40
31
22
16
18
20
24
21
16
8
3
2
0
4
3
5
19

Medium Clouds (% Sky Obscured)

83
90
94
97
92
85
84
48
43
31
19
28
34
37
25
11
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

40
45
55
60
65
53
43
35
16
13
18
13
9
7
5
3
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 (%)

34
29
13
10
9
18
5
2
0
0
0
0
0
0
1
1
0
1
1
0
8
10
10
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
76
77
65
59
61
68
71
76
81
84
88
90
90
93
87
84
79
78
77
74
76
74
76

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1024

Ozone (du)

366
364
363
362
362
361
361
360
360
361
362
363
365
365
366
367
367
367
372
377
381
385
389
393

Thursday 24

Waning Crescent 9%

04:54

15:57

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
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:45, Set: 20:30, Transit: 13:09. Moon - Rise: 04:54, Set: 15:57. Civil Dark: 21:10 - 05:05. Nautical Dark: 22:02 - 04:12. Astro Dark: 23:08 - 03:05

Total Clouds (% Sky Obscured)

75
85
79
73
68
70
72
70
74
83
88
84
69
55
50
40
30
25
25
45
51
61
69
75

Low Clouds (% Sky Obscured)

35
48
49
51
55
40
25
10
7
8
24
34
35
40
45
40
30
25
25
20
24
29
38
44

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
7

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
1
2
1
1
1
1
1
2
7
17
26
32

ISS Passover

Visibility (miles)

9
9
8
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 (%)

22
25
23
22
22
22
23
25
17
13
13
13
11
10
9
7
1
5
6
1
1
2
0
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
70
69
68
68
68
71
76
80
81
85
87
87
88
87
87
85
87
85
85
85
84
82
80

Pressure (mb)

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

Ozone (du)

389
386
382
381
380
378
377
375
373
371
368
366
365
365
365
364
363
362
362
362
363
362
362
362

Friday 25

Waning Crescent 9%

05:04

17:29

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:43, Set: 20:32, Transit: 13:09. Moon - Rise: 05:04, Set: 17:29. Civil Dark: 21:12 - 05:02. Nautical Dark: 22:05 - 04:09. Astro Dark: 23:12 - 03:01

Total Clouds (% Sky Obscured)

81
87
87
88
88
90
93
95
97
98
99
98
97
96
96
97
97
97
99
100

Low Clouds (% Sky Obscured)

50
53
51
52
54
41
33
30
40
40
35
38
45
42
44
46
51
52
54
55

Medium Clouds (% Sky Obscured)

15
25
29
36
37
32
25
18
22
28
35
29
27
25
30
28
29
31
37
43

High Clouds (% Sky Obscured)

36
23
7
6
3
19
31
45
44
47
47
28
19
14
28
41
54
59
63
68

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 (%)

1
0
7
12
14
12
13
16
14
10
3
6
5
1
2
2
0
1
2
0

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
9
12
12
12
12
12
12
11
10
9
9
8
8
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

76
72
69
68
67
66
69
71
74
73
72
73
73
73
73
74
74
74
75
75

Pressure (mb)

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

Ozone (du)

362
362
362
361
360
360
360
360
360
359
359
359
359
359
359
359
359
358
358
358

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

Generated: 19/04/25 11:13:00. Forecast: 19/04/25 to 25/04/25. Timezone: UTC+1.00