Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waxing Crescent 24%

No Rise

02:23

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

Sun - Rise: 05:52, Set: 20:17, Transit: 13:05. Moon - Rise: No Rise, Set: 02:23. Civil Dark: 20:54 - 05:14. Nautical Dark: 21:42 - 04:26. Astro Dark: 22:39 - 03:28

Total Clouds (% Sky Obscured)

78
69
53
65
41
26
5
0
0
0
0
0
0
0
0
0
25
44
56
66
65
67
65
48

Low Clouds (% Sky Obscured)

67
56
53
62
41
26
5
0
0
0
0
0
0
0
0
0
25
44
56
66
65
67
65
48

Medium Clouds (% Sky Obscured)

1
4
17
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
5
5
6
6
7
7
7
7
6
5
4
3
3
3
1
1
1
0
1
1
0
2

Dew Point (°C)

6
6
4
3
1
2
1
2
3
4
4
3
2
2
3
4
3
3
3
3
3
3
3
3

Relative Humidity (%)

91
81
69
57
50
48
46
48
51
57
59
63
65
71
82
90
93
93
93
93
93
93
94
93

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

420
418
417
417
416
413
409
402
398
396
396
395
393
393
396
396
394
390
389
389
388
386
383
382

Wednesday 22

Waxing Crescent 35%

08:55

03:06

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

Sun - Rise: 05:50, Set: 20:19, Transit: 13:05. Moon - Rise: 08:55, Set: 03:06. Civil Dark: 20:56 - 05:12. Nautical Dark: 21:45 - 04:23. Astro Dark: 22:42 - 03:24

Total Clouds (% Sky Obscured)

49
45
50
48
43
54
52
36
43
6
37
99
100
100
100
100
100
100
100
92
88
88
97
97

Low Clouds (% Sky Obscured)

49
45
50
48
43
54
52
36
43
4
0
0
0
0
7
60
83
82
82
84
84
88
92
91

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
80
75
29
5
0
30
43

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
26
6
26
66
94
100
100
100
100
100
100
18
2
2
2
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
2
0
0
1

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)

12
13
15
17
18
18
17
17
17
17
16
14
13
12
12
11
10
10
10
10
10
10
11
12

Chance of Frost

Temperature (°C)

6
8
10
12
13
14
15
15
15
14
13
12
10
8
7
6
5
5
5
5
4
4
4
4

Feels Like (°C)

2
5
7
8
8
10
10
10
10
9
9
9
7
3
2
2
1
1
1
1
2
1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

83
75
68
61
56
55
54
55
57
63
69
70
71
74
84
94
96
96
98
98
100
100
98
94

Pressure (mb)

1029
1029
1029
1028
1028
1028
1028
1028
1027
1027
1028
1028
1029
1030
1030
1031
1031
1031
1031
1031
1031
1032
1031
1032

Ozone (du)

380
378
375
375
372
371
372
372
371
369
369
368
369
371
372
375
376
377
377
377
378
379
382
384

Thursday 23

Waxing Crescent 46%

10:20

03:33

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

Sun - Rise: 05:48, Set: 20:20, Transit: 13:05. Moon - Rise: 10:20, Set: 03:33. Civil Dark: 20:58 - 05:09. Nautical Dark: 21:47 - 04:20. Astro Dark: 22:46 - 03:21

Total Clouds (% Sky Obscured)

86
77
70
44
49
25
6
0
0
0
0
0
0
0
0
3
37
42
45
40
35
31
35
35

Low Clouds (% Sky Obscured)

83
71
62
30
27
4
6
0
0
0
0
0
0
0
0
3
37
42
45
40
35
31
35
35

Medium Clouds (% Sky Obscured)

46
26
20
17
19
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High 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

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
1
1
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)

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

Chance of Frost

Temperature (°C)

5
6
8
10
12
14
15
16
16
16
15
13
10
8
6
5
4
3
3
2
2
2
2
3

Feels Like (°C)

0
3
6
7
9
11
13
14
14
14
13
12
9
6
5
3
2
1
1
1
1
1
1
2

Dew Point (°C)

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

Relative Humidity (%)

89
79
69
60
55
53
52
51
51
53
60
65
74
77
78
79
79
77
79
80
81
81
81
77

Pressure (mb)

1032
1032
1032
1032
1032
1031
1031
1030
1030
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029

Ozone (du)

387
387
385
380
374
369
368
367
366
364
364
364
365
366
366
366
366
366
367
368
369
370
372
376

Friday 24

First Quarter 58%

11:48

03:52

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

Sun - Rise: 05:45, Set: 20:22, Transit: 13:05. Moon - Rise: 11:48, Set: 03:52. Civil Dark: 21:00 - 05:07. Nautical Dark: 21:49 - 04:18. Astro Dark: 22:49 - 03:17

Total Clouds (% Sky Obscured)

38
36
26
13
0
0
4
8
9
36
10
7
6
25
20
15
14
31
45
55
56
60
67
49

Low Clouds (% Sky Obscured)

38
36
26
13
0
0
0
0
0
0
0
0
0
0
0
0
0
14
30
46
56
59
66
41

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
2
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
3
29
10
7
4
25
20
15
14
30
24
15
6
5
7
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
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)

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

Chance of Frost

Temperature (°C)

5
7
9
11
13
14
15
16
17
16
15
14
11
9
8
7
6
5
4
4
3
3
3
4

Feels Like (°C)

4
6
8
9
11
12
13
13
14
14
13
12
10
8
5
4
3
3
2
2
1
2
2
3

Dew Point (°C)

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

Relative Humidity (%)

67
63
57
51
49
50
49
48
48
50
58
66
73
76
78
79
79
79
79
80
80
80
79
72

Pressure (mb)

1029
1029
1029
1028
1028
1027
1027
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025

Ozone (du)

372
367
365
364
362
363
364
364
364
364
365
366
367
367
367
366
364
362
361
359
358
356
355
355

Saturday 25

Waxing Gibbous 68%

13:14

04:05

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

Sun - Rise: 05:43, Set: 20:24, Transit: 13:05. Moon - Rise: 13:14, Set: 04:05. Civil Dark: 21:02 - 05:05. Nautical Dark: 21:52 - 04:15. Astro Dark: 22:52 - 03:13

Total Clouds (% Sky Obscured)

29
15
26
7
6
25
41
43
46
45
44
16
23
34
25
16
7
27
47
62
68
69
72
69

Low Clouds (% Sky Obscured)

21
0
0
0
0
3
7
11
17
21
25
11
23
34
23
11
1
2
2
2
2
1
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
46
45
44
16
23
34
25
16
7
7
3
0
18
33
30
23

High Clouds (% Sky Obscured)

11
15
26
6
3
11
25
25
25
20
26
16
23
34
25
16
7
27
43
55
60
67
72
69

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)

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

Chance of Frost

Temperature (°C)

7
9
12
14
15
17
17
18
18
17
17
16
13
11
9
8
7
6
5
4
4
4
4
4

Feels Like (°C)

6
8
11
12
14
15
16
15
16
15
15
14
12
11
11
10
9
8
3
3
3
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

63
56
50
45
43
44
45
47
50
51
58
68
71
76
80
84
90
96
96
94
94
93
91
91

Pressure (mb)

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

Ozone (du)

355
354
354
355
356
356
359
363
366
370
373
373
374
374
374
375
376
378
379
380
381
383
385
387

Sunday 26

Waxing Gibbous 78%

14:35

04:16

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
00 OK
01 OK
02 OK
03 Bad
04 OK
05 OK
06 Good
07 OK

Sun - Rise: 05:41, Set: 20:26, Transit: 13:04. Moon - Rise: 14:35, Set: 04:16. Civil Dark: 21:04 - 05:02. Nautical Dark: 21:54 - 04:12. Astro Dark: 22:56 - 03:09

Total Clouds (% Sky Obscured)

67
64
66
63
58
73
87
99
98
98
100
76
66
54
64
50
45
39
45
53
37
22
6
32

Low Clouds (% Sky Obscured)

1
0
0
1
1
3
9
17
16
31
50
45
59
54
44
40
25
31
38
50
35
19
5
17

Medium Clouds (% Sky Obscured)

13
12
11
15
21
29
40
42
55
61
62
30
13
0
0
0
0
0
1
1
1
1
1
11

High Clouds (% Sky Obscured)

58
48
42
32
19
30
39
64
65
65
65
50
26
1
3
6
6
4
3
2
1
1
0
15

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
2
6
9
10
11
11
10
4
1
2
1
0
0
0
0
0
0
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)

3
4
4
4
4
4
4
4
4
4
3
3
3
4
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

6
8
10
12
13
14
15
16
17
16
15
14
12
11
9
8
7
6
6
5
5
5
4
4

Feels Like (°C)

4
5
6
7
8
8
15
15
15
15
15
14
11
10
10
9
8
8
3
3
3
3
2
3

Dew Point (°C)

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

Relative Humidity (%)

83
75
69
67
65
62
61
62
61
65
70
75
77
80
82
81
81
79
80
82
83
83
83
85

Pressure (mb)

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

Ozone (du)

387
388
388
389
389
389
389
389
389
389
389
389
388
387
386
391
396
400
400
400
400
401
402
403

Monday 27

Waxing Gibbous 86%

15:54

04:26

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:39, Set: 20:27, Transit: 13:04. Moon - Rise: 15:54, Set: 04:26. Civil Dark: 21:06 - 05:00. Nautical Dark: 21:57 - 04:09. Astro Dark: 22:59 - 03:06

Total Clouds (% Sky Obscured)

57
83
78
73
68
55
49
44
34
25
20
26
35
42
50
58
47

Low Clouds (% Sky Obscured)

29
36
43
49
56
49
42
37
30
19
6
3
2
1
2
3
3

Medium Clouds (% Sky Obscured)

22
35
28
22
15
10
4
0
0
0
0
1
4
7
5
3
1

High Clouds (% Sky Obscured)

33
50
37
17
0
0
0
1
1
2
3
6
10
13
36
58
47

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

Precipitation Probability (%)

2
0
1
1
0
0
0
0
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
6
6
7
8
12
12
12
12
12
12
9
8
8
7
6

Dew Point (°C)

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

Relative Humidity (%)

78
74
69
67
64
62
57
53
50
54
59
64
71
79
90
91
94

Pressure (mb)

1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026

Ozone (du)

403
402
402
403
403
404
405
406
407
406
405
403
404
405
406
402
398

Forecast for Lichfield, Staffordshire, United Kingdom (52.69,-1.81)

Generated: 21/04/26 08:29:11. Forecast: 21/04/26 to 27/04/26. Timezone: UTC+1.00