Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waning Gibbous 89%

00:23

07:02

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 Good
01 Good
02 Good
03 Good
04 OK
05 OK
06 Good
07 Good
08 Good
09 Good
10 Good

Sun - Rise: 05:11, Set: 20:46, Transit: 12:59. Moon - Rise: 00:23, Set: 07:02. Civil Dark: 21:27 - 04:30. Nautical Dark: 22:22 - 03:34. Astro Dark: 23:41 - 02:12

Total Clouds (% Sky Obscured)

56
67
55
59
54
55
56
73
74
66
50
53
24
0
0
0
0
28
14
0
11
0
0
0

Low Clouds (% Sky Obscured)

43
53
55
58
54
55
56
73
74
66
50
53
24
0
0
0
0
28
14
0
11
0
0
0

Medium Clouds (% Sky Obscured)

1
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)

31
15
5
4
2
3
3
2
2
3
2
3
2
0
0
0
0
2
2
0
3
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)

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

Chance of Frost

Temperature (°C)

14
15
16
17
17
17
17
16
15
14
12
12
12
11
10
9
8
8
7
7
8
10
12
14

Feels Like (°C)

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

Dew Point (°C)

6
7
8
8
8
8
8
9
9
9
10
10
10
10
9
8
8
7
7
6
6
6
4
4

Relative Humidity (%)

58
57
58
56
52
52
56
63
66
75
83
89
90
93
95
95
95
95
94
93
84
73
58
50

Pressure (mb)

1024
1024
1024
1024
1023
1023
1023
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027

Ozone (du)

356
358
359
361
360
359
360
361
360
359
359
360
359
359
358
358
357
359
361
360
360
360
359
360

Friday 16

Waning Gibbous 82%

01:07

08:09

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

Sun - Rise: 05:09, Set: 20:47, Transit: 12:59. Moon - Rise: 01:07, Set: 08:09. Civil Dark: 21:28 - 04:28. Nautical Dark: 22:24 - 03:32. Astro Dark: 23:46 - 02:08

Total Clouds (% Sky Obscured)

0
0
0
14
5
0
0
0
23
15
0
0
0
0
63
80
91
95
97
98
98
99
95
96

Low Clouds (% Sky Obscured)

0
0
0
14
5
0
0
0
23
15
0
0
0
0
63
80
90
94
97
98
98
99
95
96

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
1
2
0
0
0
2
2
0
0
0
0
1
1
1
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
1
11
3
1
1
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)

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

Chance of Frost

Temperature (°C)

15
17
18
19
20
21
21
20
19
18
16
14
12
10
9
9
9
9
9
9
10
10
11
12

Feels Like (°C)

13
15
16
17
17
18
18
18
18
17
15
13
12
10
8
7
6
5
5
5
6
6
7
8

Dew Point (°C)

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

Relative Humidity (%)

46
45
43
41
42
46
51
57
60
66
70
75
84
88
93
95
90
78
74
73
72
71
71
67

Pressure (mb)

1027
1026
1026
1025
1025
1024
1024
1024
1023
1024
1024
1024
1024
1024
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

360
357
357
356
355
355
356
357
357
356
355
355
355
356
356
356
356
356
356
354
353
354
354
354

Saturday 17

Waning Gibbous 74%

01:40

09:25

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

Sun - Rise: 05:08, Set: 20:49, Transit: 12:59. Moon - Rise: 01:40, Set: 09:25. Civil Dark: 21:30 - 04:27. Nautical Dark: 22:26 - 03:30. Astro Dark: 23:50 - 02:03

Total Clouds (% Sky Obscured)

82
88
86
86
60
56
39
40
0
0
0
0
10
0
0
0
0
0
0
0
17
31
46
51

Low Clouds (% Sky Obscured)

82
88
86
86
60
56
39
40
0
0
0
0
10
0
0
0
0
0
0
0
16
30
42
48

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
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
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)

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

Chance of Frost

Temperature (°C)

13
14
15
16
17
17
17
17
16
15
13
11
10
9
9
8
8
7
7
8
10
11
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
63
59
56
56
56
58
62
68
71
79
86
88
88
88
90
90
93
93
93
82
76
70
68

Pressure (mb)

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

Ozone (du)

355
355
356
357
358
357
357
357
357
358
359
361
363
366
366
367
368
370
372
373
373
373
373
374

Sunday 18

Waning Gibbous 64%

02:04

10:45

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

Sun - Rise: 05:07, Set: 20:50, Transit: 12:59. Moon - Rise: 02:04, Set: 10:45. Civil Dark: 21:32 - 04:25. Nautical Dark: 22:28 - 03:28. Astro Dark: 23:55 - 01:58

Total Clouds (% Sky Obscured)

53
50
57
56
51
42
34
23
15
9
4
16
28
40
46
40
35
31
23
16
15
12
8
20

Low Clouds (% Sky Obscured)

51
50
57
56
51
42
34
22
15
7
0
0
0
0
10
21
31
27
23
16
15
12
8
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
16
22
15
9
4
14
28
40
46
40
35
31
23
4
3
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
1
0
0
0
10
19
29
18
9
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
6
10
13
43
60
75
62
49
37
27
17
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0.4
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
11
10
10
10
11
10
9
6
4
4
3
3
3
3
3
3
4
5
6
8
8
8

Chance of Frost

Temperature (°C)

14
15
17
18
19
20
19
19
19
16
13
11
11
10
10
10
10
9
9
9
10
11
13
14

Feels Like (°C)

12
12
14
15
17
18
17
18
18
16
13
12
11
10
10
10
9
9
9
9
10
10
12
14

Dew Point (°C)

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

Relative Humidity (%)

68
67
65
59
53
49
49
55
61
69
78
84
85
85
88
91
91
93
95
95
87
80
71
67

Pressure (mb)

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

Ozone (du)

375
377
379
379
380
380
381
380
379
377
376
375
375
375
375
375
376
375
375
375
376
376
376
377

Monday 19

Waning Gibbous 53%

02:23

No Set

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

Sun - Rise: 05:05, Set: 20:52, Transit: 12:59. Moon - Rise: 02:23, Set: No Set. Civil Dark: 21:33 - 04:24. Nautical Dark: 22:30 - 03:26. Astro Dark: 00:00 - 01:53

Total Clouds (% Sky Obscured)

34
51
49
40
41
45
36
39
33
36
26
28
28
32
50
70
85
91
70
63
59
50
50
62

Low Clouds (% Sky Obscured)

34
51
49
40
41
29
15
0
8
16
23
16
8
0
22
44
66
73
70
63
59
50
50
62

Medium Clouds (% Sky Obscured)

0
0
0
0
0
6
13
32
27
17
16
15
12
10
27
46
44
30
23
12
8
6
5
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
9
18
26
21
13
7
4
2
0
17
28
42
34

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 (%)

4
6
5
5
12
13
17
8
8
2
0
0
0
0
0
0
0
0
0
0
1
2
1
9

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

Chance of Frost

Temperature (°C)

16
17
18
18
19
19
19
17
17
15
12
11
10
9
8
8
8
8
9
9
10
11
13
14

Feels Like (°C)

15
16
16
17
16
18
18
16
17
14
13
11
11
10
9
9
9
9
9
8
7
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

60
58
56
55
56
52
53
70
76
82
87
88
90
90
91
93
95
96
96
95
93
86
79
73

Pressure (mb)

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

Ozone (du)

378
378
378
379
378
378
376
375
376
379
381
383
385
386
388
390
392
395
393
391
390
388
387
386

Tuesday 20

Third Quarter 42%

02:38

12:07

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

Sun - Rise: 05:04, Set: 20:53, Transit: 12:59. Moon - Rise: 02:38, Set: 12:07. Civil Dark: 21:35 - 04:22. Nautical Dark: 22:33 - 03:24. Astro Dark: 00:06 - 01:47

Total Clouds (% Sky Obscured)

72
83
92
92
92
77
62
49
36
24
25
24
15
3
5
7
8
13
17
17
33
63
94
94

Low Clouds (% Sky Obscured)

66
63
61
56
53
50
46
42
31
21
8
6
4
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

13
17
21
34
34
27
21
6
2
1
1
0
0
0
0
0
0
0
0
1
0
0
0
0

High Clouds (% Sky Obscured)

20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
2
33
61
84
79

ISS Passover

Visibility (miles)

9
9
9
9
8
8
8
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
10
11
11
7
22
33
40
41
33
19
16
9
0
0
0
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)

11
11
11
11
11
11
9
8
8
6
5
4
4
4
4
4
4
4
5
5
5
6
8
10

Chance of Frost

Temperature (°C)

15
16
17
17
17
16
16
16
16
14
12
10
10
9
9
8
7
7
8
9
10
12
14
16

Feels Like (°C)

11
12
12
16
16
15
15
15
15
13
12
12
12
10
10
8
7
7
7
7
6
9
10
11

Dew Point (°C)

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

Relative Humidity (%)

66
60
54
59
65
73
75
79
83
86
89
91
91
91
93
93
93
93
91
91
90
80
73
65

Pressure (mb)

1022
1022
1021
1021
1021
1021
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

382
379
375
373
372
370
370
370
371
376
381
386
386
386
386
385
384
383
382
381
379
379
379
379

Wednesday 21

Waning Crescent 30%

02:51

13:29

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

Sun - Rise: 05:03, Set: 20:54, Transit: 12:59. Moon - Rise: 02:51, Set: 13:29. Civil Dark: 21:36 - 04:21. Nautical Dark: 22:35 - 03:22. Astro Dark: 00:11 - 01:41

Total Clouds (% Sky Obscured)

95
90
70
49
31
29
24
20
20
25
40
56
73
81
81
79
72
72
67
66

Low Clouds (% Sky Obscured)

0
1
15
29
31
29
24
20
20
14
7
4
5
13
28
36
55
43
28
14

Medium Clouds (% Sky Obscured)

0
0
1
2
3
2
2
0
0
0
0
2
2
2
1
1
1
24
40
55

High Clouds (% Sky Obscured)

80
80
58
30
5
6
8
12
20
25
40
56
55
40
31
33
30
29
24
28

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 (%)

4
7
7
8
8
8
6
2
4
7
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)

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

Chance of Frost

Temperature (°C)

17
19
20
20
21
21
21
20
20
17
14
12
12
12
12
12
11
11
11
11

Feels Like (°C)

12
13
14
21
21
21
20
20
20
16
14
13
13
12
11
10
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

60
55
52
55
59
62
65
67
69
74
82
87
87
86
84
80
77
72
75
77

Pressure (mb)

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

Ozone (du)

378
376
375
371
368
364
362
360
358
357
357
357
357
357
357
358
360
362
365
368

Forecast for Chichester, West Sussex, United Kingdom (50.84,-0.77)

Generated: 15/05/25 11:08:15. Forecast: 15/05/25 to 21/05/25. Timezone: UTC+1.00