Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 14

Waning Crescent 12%

05:11

16:18

06 Good
07 OK
08 OK
09 OK
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 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:07, Set: 19:58, Transit: 13:02. Moon - Rise: 05:11, Set: 16:18. Civil Dark: 20:33 - 05:30. Nautical Dark: 21:17 - 04:46. Astro Dark: 22:06 - 03:56

Total Clouds (% Sky Obscured)

5
23
34
34
100
100
100
100
99
100
100
100
90
100
100
100
100
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
0
17
34
59
36
44
50
79
100
100
100
83
88
82
67
71
69
55
96
100
88
74
72

Medium Clouds (% Sky Obscured)

5
23
19
34
29
38
48
78
48
50
55
43
28
43
31
37
90
91
99
100
78
33
26
37

High Clouds (% Sky Obscured)

0
1
34
17
91
97
97
88
85
7
12
32
24
100
100
100
100
97
95
74
100
100
100
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
8

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
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
5
2
7
3
5
1
0
1
5
8
9
7
42
59
27
11
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
4
6
11
13
13
14
15
14
14
12
11
10
10
10
9
10
10
10
9
9
8
8

Chance of Frost

Temperature (°C)

2
2
5
9
11
13
13
14
14
14
13
12
12
12
11
11
11
11
11
11
11
11
12
12

Feels Like (°C)

1
2
5
6
8
8
9
9
9
9
9
8
8
8
8
9
8
9
8
8
9
9
10
10

Dew Point (°C)

1
1
4
6
6
6
6
6
6
7
8
8
8
8
9
9
9
9
9
10
10
10
11
11

Relative Humidity (%)

91
93
90
84
72
65
63
57
60
62
69
76
79
80
83
86
88
88
87
90
95
93
95
95

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016

Ozone (du)

392
391
388
383
379
376
372
369
367
365
362
358
357
355
353
353
351
351
352
352
352
352
352
351

Wednesday 15

Waning Crescent 6%

05:24

17:41

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

Sun - Rise: 06:05, Set: 19:59, Transit: 13:02. Moon - Rise: 05:24, Set: 17:41. Civil Dark: 20:35 - 05:27. Nautical Dark: 21:19 - 04:43. Astro Dark: 22:09 - 03:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
77
61
100
85
54
48
45
52
58
54
68
86
80
94
90
96
73

Low Clouds (% Sky Obscured)

92
92
94
97
100
60
57
59
57
66
74
54
48
45
52
58
54
68
69
79
60
67
48
55

Medium Clouds (% Sky Obscured)

31
40
31
35
25
14
23
26
3
40
72
35
0
0
0
0
0
0
0
0
89
84
88
68

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
45
0
0
0
0
0
0
0
0
0
2
53
33
24
20
68
16

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
6
9
5
6
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
33
25
15
15
8
21
45
53
67
65
43
7
4
3
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
92
90
92
92
90
89
73
68
74
80
84
83
87
90
90
95
96
96
96
98
96
96

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

350
348
347
346
348
351
357
358
359
360
367
383
395
394
394
393
390
386
385
381
379
380
381
379

Thursday 16

Waning Crescent 2%

05:38

19:07

06 Bad
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 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:03, Set: 20:01, Transit: 13:02. Moon - Rise: 05:38, Set: 19:07. Civil Dark: 20:37 - 05:25. Nautical Dark: 21:21 - 04:40. Astro Dark: 22:11 - 03:50

Total Clouds (% Sky Obscured)

66
39
51
59
72
71
56
69
78
69
100
100
100
100
100
100
100
100
100
88
76
57
79
89

Low Clouds (% Sky Obscured)

63
39
50
59
61
46
46
27
22
0
50
39
42
32
21
25
44
58
58
53
49
35
39
46

Medium Clouds (% Sky Obscured)

55
3
3
0
16
18
12
12
15
42
100
84
96
99
95
98
91
95
85
88
76
16
21
31

High Clouds (% Sky Obscured)

8
0
2
1
10
2
2
10
41
35
100
100
100
100
100
100
100
100
100
70
32
1
37
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
6
8
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
7
31
14
27
30
37
42
41
30
19
1
0
0
7
10
3
3
3
1
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
93
84
77
69
64
60
61
60
71
74
78
82
89
91
93
95
95
96
93
95
95
95

Pressure (mb)

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

Ozone (du)

380
383
383
382
377
372
368
365
364
362
362
363
362
359
356
355
357
361
363
364
363
361
359
358

Friday 17

New Moon 0%

05:56

20:37

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

Sun - Rise: 05:59, Set: 20:03, Transit: 13:02. Moon - Rise: 05:56, Set: 20:37. Civil Dark: 20:38 - 05:23. Nautical Dark: 21:23 - 04:38. Astro Dark: 22:14 - 03:46

Total Clouds (% Sky Obscured)

100
96
93
90
92
94
96
97
99
100
98
98
91
89
78
62
69
81
94
92
87
95
97
98

Low Clouds (% Sky Obscured)

64
62
66
71
64
58
54
41
30
21
27
37
35
20
10
1
6
11
16
34
53
63
63
64

Medium Clouds (% Sky Obscured)

47
59
54
37
51
63
69
62
46
43
36
32
31
32
33
29
34
41
39
40
38
61
95
84

High Clouds (% Sky Obscured)

100
68
37
5
13
24
32
54
71
91
91
85
81
77
57
7
20
48
80
59
32
5
6
12

ISS Passover

Visibility (miles)

9
9
9
9
9
8
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
24
38
33
29
23
20
18
13
3
0
0
0
0
0
0
7
17
21
44
61

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
91
90
84
76
73
67
70
63
64
62
64
67
74
80
83
87
91
91
93
93
91
91
90

Pressure (mb)

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

Ozone (du)

356
357
357
359
358
356
355
354
353
353
353
354
356
357
359
360
360
359
362
364
366
365
363
362

Saturday 18

Waxing Crescent 2%

05:56

22:11

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

Sun - Rise: 05:57, Set: 20:04, Transit: 13:02. Moon - Rise: 05:56, Set: 22:11. Civil Dark: 20:40 - 05:21. Nautical Dark: 21:25 - 04:35. Astro Dark: 22:17 - 03:43

Total Clouds (% Sky Obscured)

100
91
81
74
65
56
48
52
55
58
50
42
34
78
88
98
88
75
62
51
41
31
29
28

Low Clouds (% Sky Obscured)

64
69
69
67
61
55
48
41
31
23
26
28
31
66
80
95
73
51
30
22
18
10
18
20

Medium Clouds (% Sky Obscured)

89
81
46
35
42
41
35
35
55
58
48
32
24
36
32
10
8
5
4
4
3
4
3
1

High Clouds (% Sky Obscured)

18
11
7
8
13
16
20
13
18
21
22
20
20
58
55
31
15
11
7
9
11
13
8
7

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

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

Precipitation Probability (%)

76
75
68
46
37
25
5
7
16
19
11
7
2
12
11
4
7
9
3
3
2
0
0
0

Precipitation Amount (mm)

0.5
0.4
0.3
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
5
5
6
8
8
7
8
10
10
10
9
8
7
7
6
5
6
6
6
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
81
75
72
83
84
80
84
92
93
90
90
93
90
88
87
87
88
88
90
91
94
91

Pressure (mb)

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

Ozone (du)

363
365
366
367
369
370
370
369
369
369
369
371
371
372
373
373
374
375
377
379
379
380
381
381

Sunday 19

Waxing Crescent 7%

06:21

23:43

06 OK
07 OK
08 OK
09 OK
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 Bad
03 Bad
04 Bad
05 OK

Sun - Rise: 05:55, Set: 20:06, Transit: 13:01. Moon - Rise: 06:21, Set: 23:43. Civil Dark: 20:42 - 05:18. Nautical Dark: 21:27 - 04:33. Astro Dark: 22:19 - 03:40

Total Clouds (% Sky Obscured)

28
33
39
45
60
78
90
88
91
94
95
95
97
82
67
54
52
54
58
59
61
61
41
22

Low Clouds (% Sky Obscured)

22
25
30
34
30
28
25
23
21
17
15
15
20
27
32
43
47
51
55
57
59
60
40
20

Medium Clouds (% Sky Obscured)

0
0
0
0
1
3
4
4
8
28
47
51
23
9
3
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

13
13
8
4
3
1
0
33
67
94
87
70
51
24
11
0
0
0
0
0
1
1
1
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
1
1
1
4
5
3
4
3
0
5
6
6
6
5
2
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)

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

Chance of Frost

Temperature (°C)

5
5
7
9
10
12
13
14
14
14
14
13
12
11
11
10
9
9
8
8
7
6
5
5

Feels Like (°C)

4
3
4
5
5
6
7
8
13
13
13
13
13
12
8
8
8
7
7
6
5
5
6
5

Dew Point (°C)

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

Relative Humidity (%)

91
90
82
77
71
66
63
58
60
60
61
65
70
75
76
76
77
78
79
81
85
88
93
93

Pressure (mb)

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

Ozone (du)

381
380
381
382
382
382
383
383
382
382
381
380
379
378
377
377
377
375
374
373
373
373
373
373

Monday 20

Waxing Crescent 14%

06:57

01:06

06 Good
07 Good
08 Good
09 Good
10 OK
11 OK
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

Sun - Rise: 05:52, Set: 20:08, Transit: 13:01. Moon - Rise: 06:57, Set: 01:06. Civil Dark: 20:44 - 05:16. Nautical Dark: 21:30 - 04:30. Astro Dark: 22:22 - 03:37

Total Clouds (% Sky Obscured)

2
1
1
0
19
39
60
73
84
100
98
98
96
93
88
84
85
88
90

Low Clouds (% Sky Obscured)

0
0
0
0
19
39
60
73
82
90
81
75
74
71
71
78
82
87
87

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
8
20
30
27
24
25
17
8
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

ISS Passover

Visibility (miles)

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

Precipitation Type

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
5
8
10
10
8
3
8
9
10
13
13
13
16
18
20

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
85
77
71
66
63
59
63
66
70
71
71
73
77
82
88
90
91

Pressure (mb)

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

Ozone (du)

374
375
376
376
377
377
378
378
378
379
379
379
379
378
379
379
379
379
379

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 14/04/26 06:47:05. Forecast: 14/04/26 to 20/04/26. Timezone: UTC+1.00