Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 29

Waxing Crescent 5%

05:55

23:35

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

Sun - Rise: 05:33, Set: 20:21, Transit: 12:57. Moon - Rise: 05:55, Set: 23:35. Civil Dark: 20:59 - 04:53. Nautical Dark: 21:48 - 04:04. Astro Dark: 22:49 - 03:02

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
14
13
13
7
5
3
3
2
2
2
0
0
7
11
5
0
2
9

Low 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

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
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
14
13
13
7
5
3
3
2
2
2
0
0
7
11
5
0
2
9

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)

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

Chance of Frost

Temperature (°C)

10
9
10
12
14
17
19
21
22
22
22
22
21
20
19
17
15
13
12
12
11
10
10
9

Feels Like (°C)

9
9
10
12
14
16
17
19
20
20
20
20
20
19
17
16
14
13
12
12
10
11
10
9

Dew Point (°C)

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

Relative Humidity (%)

63
67
66
61
58
53
47
43
42
41
41
42
45
48
52
60
65
68
69
70
71
71
71
73

Pressure (mb)

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

Ozone (du)

322
322
321
320
320
320
321
320
320
320
320
320
318
316
314
312
312
313
314
314
314
313
313
313

Wednesday 30

Waxing Crescent 12%

06:33

00:54

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

Sun - Rise: 05:32, Set: 20:23, Transit: 12:57. Moon - Rise: 06:33, Set: 00:54. Civil Dark: 21:01 - 04:51. Nautical Dark: 21:50 - 04:01. Astro Dark: 22:52 - 02:58

Total Clouds (% Sky Obscured)

15
35
42
20
7
2
2
1
1
12
19
8
0
0
0
0
1
1
0
0
0
0
5
7

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
19
7
0
0
0
0
0
0
0
0
0
0
0
0

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
3
5

High Clouds (% Sky Obscured)

15
35
42
20
7
2
2
1
1
3
3
3
0
0
0
0
1
1
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
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)

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

Chance of Frost

Temperature (°C)

9
9
9
12
14
17
20
22
24
24
25
24
24
23
21
19
17
16
15
14
13
12
11
11

Feels Like (°C)

8
8
8
10
14
17
20
22
23
24
25
24
23
22
21
20
17
16
15
14
13
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

74
74
72
67
63
57
51
46
42
42
43
46
50
54
59
64
68
68
69
70
72
71
72
75

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

314
314
313
312
312
313
314
314
313
314
314
315
316
316
316
316
316
316
316
316
316
317
319
323

Thursday 1

Waxing Crescent 20%

07:28

01:53

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

Sun - Rise: 05:30, Set: 20:24, Transit: 12:57. Moon - Rise: 07:28, Set: 01:53. Civil Dark: 21:03 - 04:49. Nautical Dark: 21:53 - 03:59. Astro Dark: 22:55 - 02:55

Total Clouds (% Sky Obscured)

26
33
43
49
100
92
97
72
81
85
98
100
97
100
75
73
61
71
80
68
61
24
13
5

Low Clouds (% Sky Obscured)

16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
0

Medium Clouds (% Sky Obscured)

8
11
18
27
21
18
14
19
21
62
25
36
83
83
33
21
61
71
80
68
61
12
4
3

High Clouds (% Sky Obscured)

0
25
42
45
100
75
91
40
54
60
96
100
92
100
70
72
0
0
1
1
1
1
2
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
1
1
3
3
2
1
1
3
4
2
4
4
4
3
5

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

Chance of Frost

Temperature (°C)

11
11
12
14
17
20
22
24
26
27
27
27
26
25
23
21
20
19
18
17
17
16
15
15

Feels Like (°C)

12
12
11
13
16
19
21
23
24
25
25
24
24
23
22
22
21
19
18
16
16
15
16
15

Dew Point (°C)

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

Relative Humidity (%)

76
76
72
63
57
51
47
44
43
43
41
39
45
51
57
68
75
78
76
72
73
75
83
86

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1017
1017
1016
1016
1016
1016
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

332
333
330
326
325
325
324
324
323
322
322
323
325
329
331
331
331
332
332
334
333
336
338
339

Friday 2

Waxing Crescent 31%

08:39

02:32

05 OK
06 OK
07 Good
08 Good
09 OK
10 OK
11 OK
12 OK
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 OK
02 OK
03 OK
04 Good

Sun - Rise: 05:28, Set: 20:26, Transit: 12:57. Moon - Rise: 08:39, Set: 02:32. Civil Dark: 21:04 - 04:47. Nautical Dark: 21:55 - 03:56. Astro Dark: 22:59 - 02:51

Total Clouds (% Sky Obscured)

14
11
13
18
25
36
46
43
59
60
66
70
72
72
61
49
44
43
41
40
29
27
20
15

Low Clouds (% Sky Obscured)

8
8
0
0
0
13
21
26
34
40
50
40
26
15
22
27
37
28
27
32
25
17
20
15

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
8
15
22
17
10
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
13
3
18
30
25
20
20
2
0
1
0
0
4
7
2
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
1
0
1
2
0
0
0
0
8
1
0
1
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)

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

Chance of Frost

Temperature (°C)

14
14
14
16
17
18
19
20
22
22
23
23
22
22
21
19
17
14
14
13
13
12
12
12

Feels Like (°C)

14
14
14
14
15
16
18
19
22
21
21
21
21
21
19
17
14
13
12
12
11
11
11
10

Dew Point (°C)

13
12
12
12
13
14
15
15
14
13
14
15
15
16
15
12
10
7
7
6
6
6
6
5

Relative Humidity (%)

89
89
84
79
76
76
76
69
60
56
56
60
63
66
67
64
63
62
62
63
64
65
65
65

Pressure (mb)

1017
1017
1018
1018
1019
1019
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

341
342
344
347
351
357
354
348
344
345
345
340
341
337
336
337
337
337
338
337
336
336
334
335

Saturday 3

Waxing Crescent 41%

10:00

02:58

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

Sun - Rise: 05:26, Set: 20:27, Transit: 12:57. Moon - Rise: 10:00, Set: 02:58. Civil Dark: 21:06 - 04:45. Nautical Dark: 21:57 - 03:54. Astro Dark: 23:02 - 02:47

Total Clouds (% Sky Obscured)

25
25
25
14
10
23
6
6
13
6
10
5
5
5
92
90
89
88
87
90
89
88
88
72

Low Clouds (% Sky Obscured)

25
25
14
0
0
0
0
0
0
0
0
0
0
0
33
25
18
38
58
79
66
53
36
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
32
24
19
11
12
12
33
53
74
72

High Clouds (% Sky Obscured)

20
4
4
12
9
15
6
5
13
6
10
5
5
5
58
41
25
25
25
35
30
30
29
40

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
1
1
0
1
2
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
1
2
6
6
7
6
6
7
7
8
9
9
9
9
7
8
8
9
9
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
12
14
16
17
19
20
19
19
18
16
15
14
15
16
15
14
13
12
7
6
6

Dew Point (°C)

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

Relative Humidity (%)

67
68
67
62
53
50
48
44
40
36
34
35
39
44
49
55
62
69
71
71
73
71
68
67

Pressure (mb)

1020
1020
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

335
334
333
334
334
334
334
333
334
335
335
336
336
337
338
339
340
340
340
341
341
341
341
341

Sunday 4

First Quarter 52%

11:22

03:16

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 OK
21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:24, Set: 20:29, Transit: 12:57. Moon - Rise: 11:22, Set: 03:16. Civil Dark: 21:08 - 04:43. Nautical Dark: 22:00 - 03:51. Astro Dark: 23:06 - 02:43

Total Clouds (% Sky Obscured)

57
60
86
91
94
89
83
67
68
69
69
67
64
65
54
31
20
40
60
80
83
88
91
80

Low Clouds (% Sky Obscured)

29
23
38
57
75
74
74
67
67
60
57
53
51
50
38
27
15
37
58
79
82
85
89
75

Medium Clouds (% Sky Obscured)

57
60
85
91
85
89
83
67
68
69
69
67
64
65
54
31
20
40
58
50
32
14
0
0

High Clouds (% Sky Obscured)

40
40
35
40
40
20
15
10
5
5
4
5
14
20
25
31
20
38
35
25
19
15
14
24

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 (%)

1
0
13
21
27
26
21
12
12
12
9
13
15
11
18
15
1
5
2
0
2
3
4
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
70
71
70
68
67
63
59
55
54
53
52
55
56
59
61
62
64
62
60
57
56
56
56

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

342
343
345
345
346
347
348
350
351
352
353
354
355
356
357
361
365
368
369
370
370
371
372
372

Monday 5

Waxing Gibbous 62%

12:41

03:30

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 OK
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 05:22, Set: 20:31, Transit: 12:57. Moon - Rise: 12:41, Set: 03:30. Civil Dark: 21:10 - 04:41. Nautical Dark: 22:02 - 03:49. Astro Dark: 23:10 - 02:39

Total Clouds (% Sky Obscured)

70
57
60
63
65
69
73
77
75
74
74
65
52
36
28
20
11
8
5
2

Low Clouds (% Sky Obscured)

62
49
53
58
61
61
60
60
54
51
49
49
47
36
25
16
8
6
3
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
3
5
7
7
9
6
4
1
1
1
0
0
0
0

High Clouds (% Sky Obscured)

29
37
40
28
15
7
10
9
6
4
1
1
1
0
0
0
0
0
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

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 (%)

10
11
8
5
1
4
9
1
2
2
0
1
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

Wind Speed/Direction (mph)

9
9
10
10
10
10
10
10
10
10
9
8
8
9
10
8
6
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
-1
-1
0
1
1
2
2
1
2
2
2
3
3
3
3
3
2

Relative Humidity (%)

55
53
53
53
53
53
53
53
53
51
48
47
48
49
52
55
61
67
68
68

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

373
373
374
374
374
374
377
381
385
384
383
382
379
377
374
374
373
373
371
370

Forecast for Harringay, Greater London, United Kingdom (51.59,-0.10)

Generated: 29/04/25 05:17:44. Forecast: 29/04/25 to 05/05/25. Timezone: UTC+1.00