Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 91%

00:16

07:09

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

Sun - Rise: 06:27, Set: 19:43, Transit: 13:05. Moon - Rise: 00:16, Set: 07:09. Civil Dark: 20:17 - 05:53. Nautical Dark: 20:59 - 05:11. Astro Dark: 21:44 - 04:26

Total Clouds (% Sky Obscured)

80
84
86
88
85
94
43
55
100
80
50
67
96
100
100
52
72
30
57
13
53
70
44
72

Low Clouds (% Sky Obscured)

64
58
32
0
32
87
43
51
22
33
27
25
34
29
24
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

80
74
32
13
69
58
2
0
0
0
0
26
43
37
9
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

80
58
62
88
61
58
14
49
72
29
18
6
76
73
100
52
44
30
57
13
53
70
44
72

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 (%)

15
3
0
11
13
6
16
9
20
20
19
18
17
15
3
13
2
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)

20
17
16
12
12
13
15
18
17
16
15
15
16
15
15
13
12
9
7
6
5
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
3
2
2
2
3
3
4
5
5
6
6
5
5
5
4
4
3
2
2
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

69
67
75
81
75
78
77
66
60
58
58
54
51
59
58
61
64
66
72
78
79
80
82
82

Pressure (mb)

1008
1009
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1020
1021
1021
1022
1023
1024
1025
1025
1026
1026
1026
1027

Ozone (du)

376
380
380
378
380
386
384
386
389
387
385
381
384
386
384
383
381
378
376
374
373
372
372
373

Monday 6

Waning Gibbous 85%

01:25

07:34

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

Sun - Rise: 06:25, Set: 19:44, Transit: 13:05. Moon - Rise: 01:25, Set: 07:34. Civil Dark: 20:19 - 05:50. Nautical Dark: 21:01 - 05:09. Astro Dark: 21:46 - 04:23

Total Clouds (% Sky Obscured)

75
100
99
97
76
100
22
22
54
45
56
48
37
7
0
1
1
2
7
3
16
1
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
22
43
42
56
43
37
5
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
3
6
3
0
65
22
6
8
3
5
5
1
0
0
0
1
2
7
3
7
0
0
0

High Clouds (% Sky Obscured)

75
100
99
97
76
100
22
22
54
45
26
34
8
4
0
1
1
2
2
3
2
1
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)

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

Chance of Frost

Temperature (°C)

4
4
4
3
3
4
6
8
10
12
13
13
13
14
13
13
11
10
9
8
7
7
6
6

Feels Like (°C)

1
1
1
1
0
1
3
5
6
8
9
10
10
11
12
11
11
9
7
6
5
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

83
83
85
83
82
75
67
64
59
58
60
60
57
57
59
64
72
76
73
69
71
75
76
79

Pressure (mb)

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

Ozone (du)

371
370
368
366
366
365
366
364
362
361
361
362
363
364
366
366
366
365
366
366
364
361
359
358

Tuesday 7

Waning Gibbous 77%

02:24

08:09

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

Sun - Rise: 06:23, Set: 19:46, Transit: 13:04. Moon - Rise: 02:24, Set: 08:09. Civil Dark: 20:20 - 05:48. Nautical Dark: 21:03 - 05:06. Astro Dark: 21:49 - 04:20

Total Clouds (% Sky Obscured)

0
15
22
0
0
0
2
7
0
5
18
39
20
100
100
85
74
82
78
100
49
25
17
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
2
25
25
7
4
3
2
1

High Clouds (% Sky Obscured)

0
13
18
0
0
0
1
6
0
4
13
36
20
100
100
82
64
2
6
100
46
18
12
5

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
1
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)

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

Chance of Frost

Temperature (°C)

6
6
5
5
6
7
9
11
13
15
17
18
19
19
18
17
16
14
13
12
12
11
11
10

Feels Like (°C)

4
4
3
3
3
4
6
8
10
12
14
15
16
16
14
13
13
12
11
10
8
8
7
8

Dew Point (°C)

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

Relative Humidity (%)

79
80
80
79
78
72
67
58
55
52
49
47
47
51
54
60
65
69
70
72
73
75
78
81

Pressure (mb)

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

Ozone (du)

358
357
356
356
355
355
354
352
350
349
348
347
348
349
348
348
347
345
345
345
345
344
344
344

Wednesday 8

Waning Gibbous 69%

No Rise

08:56

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

Sun - Rise: 06:20, Set: 19:48, Transit: 13:04. Moon - Rise: No Rise, Set: 08:56. Civil Dark: 20:22 - 05:46. Nautical Dark: 21:05 - 05:03. Astro Dark: 21:51 - 04:17

Total Clouds (% Sky Obscured)

3
3
13
13
13
21
24
22
24
22
16
11
7
12
17
25
20
12
1
1
1
1
10
21

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
14
21
15
10
5
10
15
19
13
6
0
0
0
0
2
5

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

1
1
4
4
8
12
16
11
8
1
1
1
1
1
2
6
17
12
1
1
1
1
10
11

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
2
0
5
2
2
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
5
5
6
5
5
5
6
7
7
8
8
8
8
7
7
6
5
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
7
6
6
7
9
11
12
15
17
17
18
18
18
17
16
13
12
12
11
11
10
8

Dew Point (°C)

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

Relative Humidity (%)

82
85
85
85
85
81
72
64
59
53
51
48
48
49
54
57
63
65
68
70
72
76
77
78

Pressure (mb)

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

Ozone (du)

343
343
342
342
344
344
345
345
346
347
349
350
351
350
350
352
353
353
353
355
358
359
359
358

Thursday 9

Waning Gibbous 59%

03:11

09:55

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

Sun - Rise: 06:18, Set: 19:49, Transit: 13:04. Moon - Rise: 03:11, Set: 09:55. Civil Dark: 20:24 - 05:44. Nautical Dark: 21:07 - 05:01. Astro Dark: 21:53 - 04:14

Total Clouds (% Sky Obscured)

23
43
67
99
100
100
100
100
100
100
81
64
45
50
55
60
100
100
100
96
91
85
86
88

Low Clouds (% Sky Obscured)

7
19
32
45
34
17
0
27
53
80
67
57
43
48
53
58
9
5
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
20
38
57
40
19
0
0
0
0
0
0
4
10
17
23
23
24
24
19
14

High Clouds (% Sky Obscured)

6
35
66
99
100
100
100
100
100
100
71
47
25
25
20
20
100
100
100
96
91
85
85
84

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
2
7
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
4
4
5
6
5
5
5
7
7
8
7
7
7
7
7
5
4
4
2
1
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
7
8
9
10
12
13
15
15
15
16
14
14
13
12
11
11
11
10
10
6

Dew Point (°C)

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

Relative Humidity (%)

81
82
82
82
82
77
68
63
57
54
52
47
46
46
53
61
65
73
80
88
85
84
81
78

Pressure (mb)

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

Ozone (du)

357
358
358
360
361
361
361
361
360
362
365
365
364
362
361
360
360
359
358
357
357
357
356
356

Friday 10

Third Quarter 50%

03:46

11:04

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:16, Set: 19:51, Transit: 13:03. Moon - Rise: 03:46, Set: 11:04. Civil Dark: 20:26 - 05:41. Nautical Dark: 21:09 - 04:58. Astro Dark: 21:56 - 04:11

Total Clouds (% Sky Obscured)

90
93
97
98
77
56
36
56
79
95
91
90
90
77
61
48
61
74
82
85
80
73
49
28

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
28
63
82
67
33
0
0
0

Medium Clouds (% Sky Obscured)

12
12
11
14
7
2
0
2
3
5
5
10
40
40
20
0
4
6
9
36
65
73
49
28

High Clouds (% Sky Obscured)

84
88
91
89
68
51
33
50
72
95
91
90
90
77
61
48
34
32
29
32
37
40
29
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
3

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
Very Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
47
65
80
72
56

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.2

Wind Speed/Direction (mph)

2
2
2
3
3
5
7
9
11
12
13
13
13
13
12
11
10
9
9
10
10
11
12
12

Chance of Frost

Temperature (°C)

6
6
6
6
6
8
10
13
14
15
16
16
16
16
15
14
13
12
11
10
8
6
5
5

Feels Like (°C)

5
6
5
5
5
5
6
7
8
9
10
16
15
14
14
14
14
10
11
11
11
11
11
-1

Dew Point (°C)

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

Relative Humidity (%)

72
70
72
76
79
71
66
61
57
55
52
53
52
52
58
64
72
76
83
87
90
93
94
93

Pressure (mb)

1024
1024
1023
1022
1021
1021
1020
1020
1019
1018
1017
1016
1015
1014
1014
1014
1013
1013
1014
1014
1015
1016
1017
1018

Ozone (du)

356
355
356
357
358
358
359
359
361
362
364
365
366
367
369
370
372
371
370
369
375
381
387
394

Saturday 11

Waning Crescent 40%

04:12

12:20

03 OK
04 Good
05 Good
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: 06:14, Set: 19:53, Transit: 13:03. Moon - Rise: 04:12, Set: 12:20. Civil Dark: 20:28 - 05:39. Nautical Dark: 21:11 - 04:56. Astro Dark: 21:58 - 04:08

Total Clouds (% Sky Obscured)

3
2
4
0
0
0
0
19
38
60
61
62
73
80
87
84
86
84
87
89
94
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
8
12
13
11
19
23
33
48
53
60
70
49
29
10

Medium Clouds (% Sky Obscured)

3
2
4
0
0
0
0
1
5
7
16
17
15
10
5
0
2
3
5
37
68
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
2
3
7
9
19
29
50

ISS Passover

Visibility (miles)

6
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
15
5
0
0
0
0
1
2
2
7
9
5
13
18
21
21
18
11
13
13
11

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
2
1
1
1
2
2
2
2
1
1
1
2
2
3
4
5
4
4
4
4
3

Relative Humidity (%)

88
85
85
86
86
80
72
66
61
55
50
50
51
52
58
66
73
75
78
82
82
81

Pressure (mb)

1019
1019
1020
1020
1021
1022
1022
1023
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

402
409
408
408
407
401
395
388
386
384
382
381
380
379
378
378
377
378
379
380
381
382

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

Generated: 05/04/26 03:04:43. Forecast: 05/04/26 to 11/04/26. Timezone: UTC+1.00