Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waning Crescent 17%

04:33

15:52

19 Bad
20 Bad
21 Bad
22 OK
23 OK
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

Sun - Rise: 05:47, Set: 20:13, Transit: 13:01. Moon - Rise: 04:33, Set: 15:52. Civil Dark: 20:50 - 05:11. Nautical Dark: 21:36 - 04:24. Astro Dark: 22:30 - 03:29

Total Clouds (% Sky Obscured)

56
50
45
48
33
48
70
90
73
75
100
98
94
100
99
100
99
94
94
100
97
89
64
27

Low Clouds (% Sky Obscured)

56
30
21
33
27
30
35
41
43
62
100
96
88
100
83
74
71
61
69
77
51
34
22
0

Medium Clouds (% Sky Obscured)

5
0
0
0
5
22
31
45
33
16
17
21
25
23
31
46
63
74
39
38
36
56
23
9

High Clouds (% Sky Obscured)

0
0
0
0
2
3
2
0
2
2
3
5
2
4
59
78
45
25
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
100
56
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
7
6
13
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
88
91
85
87
91
88
87
88
88
87
84
85
85
82
72
63
57
53
52
51
52
58
66

Pressure (mb)

1015
1016
1017
1018
1018
1019
1019
1019
1019
1019
1019
1020
1021
1021
1021
1022
1022
1022
1022
1021
1021
1021
1021
1021

Ozone (du)

354
352
352
351
349
347
347
348
347
348
349
349
351
351
349
351
350
350
348
348
346
345
346
346

Thursday 24

Waning Crescent 9%

04:46

17:20

19 Good
20 OK
21 OK
22 OK
23 Good
00 Good
01 Good
02 OK
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

Sun - Rise: 05:45, Set: 20:15, Transit: 13:01. Moon - Rise: 04:46, Set: 17:20. Civil Dark: 20:51 - 05:08. Nautical Dark: 21:38 - 04:21. Astro Dark: 22:33 - 03:26

Total Clouds (% Sky Obscured)

16
34
35
21
0
0
8
38
52
71
52
61
75
85
75
71
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
28
35
21
0
0
8
38
52
71
52
61
75
85
75
64
57
67
59
55
82
77
75
14

Medium Clouds (% Sky Obscured)

6
3
0
0
0
0
0
0
0
0
0
0
1
2
3
55
82
100
98
84
66
54
39
51

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
3
1
2
2
2
9
16
45
97
100
100
91
90
93
98
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
0
0
0
48
39
2
1
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
1
14
2
1
14

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
68
71
84
90
91
91
91
93
94
94
91
81
71
66
63
59
56
53
52
53
54
64

Pressure (mb)

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

Ozone (du)

345
346
346
345
343
343
341
339
338
337
336
335
334
334
335
335
335
335
336
335
336
336
337
336

Friday 25

Waning Crescent 3%

04:59

18:51

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

Sun - Rise: 05:43, Set: 20:16, Transit: 13:01. Moon - Rise: 04:59, Set: 18:51. Civil Dark: 20:53 - 05:06. Nautical Dark: 21:40 - 04:19. Astro Dark: 22:36 - 03:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
24
29
36
35
48
69
83
86
58
90
45
58
68
77
84
89
84
79
71

Medium Clouds (% Sky Obscured)

46
38
95
100
100
97
100
100
100
100
100
100
100
100
100
90
89
94
100
73
100
95
89
81

High Clouds (% Sky Obscured)

90
100
100
100
100
11
98
36
100
100
89
86
52
100
100
100
100
100
70
37
5
10
5
10

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
5
7
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
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

14
1
0
0
3
24
31
40
43
41
48
52
51
44
37
36
34
40
39
44
55
48
39
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
88
91
93
91
90
90
88
88
90
88
88
87
82
81
77
71
65
63
61
61
70
82
84

Pressure (mb)

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

Ozone (du)

337
338
340
339
340
342
342
343
344
345
347
348
348
348
348
349
350
351
352
352
352
351
352
354

Saturday 26

Waning Crescent 0%

05:14

No Set

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

Sun - Rise: 05:41, Set: 20:18, Transit: 13:00. Moon - Rise: 05:14, Set: No Set. Civil Dark: 20:55 - 05:04. Nautical Dark: 21:42 - 04:16. Astro Dark: 22:39 - 03:19

Total Clouds (% Sky Obscured)

91
92
93
93
94
94
93
93
92
79
76
74
63
52
38
58
81
100
92
85
77
85
92
100

Low Clouds (% Sky Obscured)

66
63
61
56
52
48
49
44
39
30
23
15
18
20
16
18
20
22
34
38
49
43
28
29

Medium Clouds (% Sky Obscured)

77
74
76
80
85
89
89
85
60
28
33
33
34
27
19
29
48
60
58
79
51
75
27
21

High Clouds (% Sky Obscured)

10
5
10
5
10
15
10
5
10
0
0
0
0
0
1
17
38
57
43
31
15
43
73
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
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
9
0
0
1
0
1
0
0
0
0
0
0
0
0
3
5
7
17
17
8
8
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)

4
3
2
1
2
2
2
2
2
2
2
2
2
2
3
3
4
5
7
8
8
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
90
87
90
90
90
88
90
90
90
90
87
83
76
69
64
60
59
61
62
65
67
72

Pressure (mb)

1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

356
358
359
358
358
358
359
359
361
363
362
358
355
357
358
359
357
358
355
354
353
353
354
352

Sunday 27

New Moon 1%

05:34

20:26

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

Sun - Rise: 05:39, Set: 20:20, Transit: 13:00. Moon - Rise: 05:34, Set: 20:26. Civil Dark: 20:57 - 05:02. Nautical Dark: 21:45 - 04:14. Astro Dark: 22:42 - 03:16

Total Clouds (% Sky Obscured)

85
69
56
43
33
23
30
40
53
49
46
42
25
30
20
28
20
30
35
39
43
29
14
0

Low Clouds (% Sky Obscured)

21
11
0
0
0
0
0
0
0
0
0
0
0
0
0
10
20
24
26
29
33
20
9
0

Medium Clouds (% Sky Obscured)

25
26
28
17
11
5
13
20
28
29
29
30
0
0
0
0
0
0
0
0
0
1
2
0

High Clouds (% Sky Obscured)

74
48
22
27
23
23
10
6
14
19
19
35
25
30
20
25
20
15
8
7
8
3
3
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
2
1
2
2
1
3
2
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
5
5
4
4
4
3
3
2
2
2
2
2
2
3
4
5
6
7
7
7
7
7
8

Chance of Frost

Temperature (°C)

16
15
13
12
11
10
10
9
9
8
8
8
9
12
14
16
17
18
19
20
20
20
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
86
92
92
91
91
91
90
91
91
91
91
88
81
76
72
66
61
57
56
57
56
60
65

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1021

Ozone (du)

352
351
351
350
348
346
345
345
343
343
340
339
338
337
336
335
335
334
333
333
333
332
331
331

Monday 28

Waxing Crescent 5%

06:00

22:02

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

Sun - Rise: 05:38, Set: 20:21, Transit: 13:00. Moon - Rise: 06:00, Set: 22:02. Civil Dark: 20:59 - 05:00. Nautical Dark: 21:47 - 04:11. Astro Dark: 22:45 - 03:12

Total Clouds (% Sky Obscured)

3
4
8
4
8
11
9
5
2
4
5
6
7
13
15
14
13
14
16
19
25
16
8
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
12
16
19
25
16
8
0

Medium Clouds (% Sky Obscured)

3
4
4
3
2
1
2
3
2
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
4
8
4
8
4
0
0
0
0
0
3
7
12
15
13
9
5
4
3
2
2
2
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
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
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
7
5
4
4
4
5
5
5
5
5
5
5
6
8
10
11
11
12
12
12
12
11
11

Chance of Frost

Temperature (°C)

17
15
13
11
10
10
9
9
8
8
9
9
10
12
14
16
17
18
19
20
20
21
20
19

Feels Like (°C)

18
15
14
14
13
12
11
7
7
7
7
8
7
9
10
10
12
13
14
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

71
75
80
86
87
87
87
88
88
91
90
88
87
77
70
63
60
55
52
52
53
55
58
64

Pressure (mb)

1021
1021
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

330
330
330
331
331
331
331
330
329
328
328
328
328
329
330
330
331
332
332
333
333
334
334
335

Tuesday 29

Waxing Crescent 12%

06:39

23:35

19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 Good
10 OK
11 OK
12 Bad

Sun - Rise: 05:36, Set: 20:23, Transit: 13:00. Moon - Rise: 06:39, Set: 23:35. Civil Dark: 21:00 - 04:58. Nautical Dark: 21:49 - 04:09. Astro Dark: 22:48 - 03:09

Total Clouds (% Sky Obscured)

1
1
1
2
3
3
5
12
21
27
35
40
34
26
17
27
37
49

Low Clouds (% Sky Obscured)

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
10
20
30

High Clouds (% Sky Obscured)

1
1
1
2
2
2
5
5
4
2
2
2
2
3
3
5
7
13

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
13
12
12
11
10
10
8
8
8
8
8
8
10
11
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

69
68
68
67
71
77
83
83
83
81
84
87
88
81
74
66
64
60

Pressure (mb)

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

Ozone (du)

335
335
336
336
336
337
337
337
336
336
336
337
337
337
338
338
338
338

Forecast for Crondall, Hampshire, United Kingdom (51.23,-0.86)

Generated: 23/04/25 19:49:29. Forecast: 23/04/25 to 29/04/25. Timezone: UTC+1.00