Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 2

Full Moon 99%

20:33

06:37

16 Bad
17 OK
18 Bad
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

Sun - Rise: 06:33, Set: 19:39, Transit: 13:07. Moon - Rise: 20:33, Set: 06:37. Civil Dark: 20:13 - 05:59. Nautical Dark: 20:54 - 05:17. Astro Dark: 21:38 - 04:33

Total Clouds (% Sky Obscured)

56
46
55
65
95
70
100
96
98
100
97
93
100
100
97
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
46
55
61
78
27
60
28
48
48
56
85
100
100
92
95
87
79
77
82
97
100
76
87

Medium Clouds (% Sky Obscured)

38
46
55
3
30
60
91
57
80
90
96
92
82
47
43
42
37
22
24
13
16
7
50
97

High Clouds (% Sky Obscured)

50
46
55
58
65
65
100
67
55
67
18
58
66
64
47
15
46
100
100
100
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
1
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
9
15
14
25
29
30
35
45
41
40
18
4
10
5
12
8
4

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
5
5
5
5
6
6
7
7
8
9
11
13
14
15
15
14
14
14
16
17
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
3
4
5
5
5
5
4
5
5
5
4
4
4
6
7
8
9
10
12
12
12
12
13

Relative Humidity (%)

57
59
65
72
75
78
81
82
87
88
84
81
77
79
87
91
93
96
96
96
90
87
87
89

Pressure (mb)

1021
1020
1020
1020
1019
1019
1019
1019
1018
1017
1016
1016
1015
1014
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

374
381
386
386
384
386
387
389
388
385
381
378
377
379
377
377
378
378
380
381
382
382
382
383

Friday 3

Waning Gibbous 96%

21:48

06:52

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:30, Set: 19:40, Transit: 13:06. Moon - Rise: 21:48, Set: 06:52. Civil Dark: 20:14 - 05:56. Nautical Dark: 20:56 - 05:15. Astro Dark: 21:40 - 04:30

Total Clouds (% Sky Obscured)

100
99
100
88
100
100
82
92
56
95
94
99
92
94
100
98
91
68
59
84
87
60
90
100

Low Clouds (% Sky Obscured)

100
99
97
79
64
39
63
56
42
35
53
65
91
91
100
98
82
62
59
84
87
60
90
100

Medium Clouds (% Sky Obscured)

98
65
38
20
22
17
22
12
18
79
67
48
41
36
27
77
21
5
3
0
0
0
10
8

High Clouds (% Sky Obscured)

95
98
100
65
94
88
52
87
45
40
44
33
18
0
0
10
0
0
1
3
2
1
3
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
17
19
15
7
19
4
4
1
0
0
0
0
3
1
9
8
14
0
7
2
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)

17
16
16
15
15
15
15
13
13
11
8
8
7
6
6
6
8
10
15
17
19
18
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
89
87
87
87
87
81
87
83
80
88
95
96
96
88
85
90
95
89
83
79
71
64
65

Pressure (mb)

1011
1011
1011
1012
1012
1013
1014
1015
1015
1016
1016
1016
1017
1017
1017
1016
1016
1016
1016
1015
1015
1014
1013
1012

Ozone (du)

382
381
380
378
376
374
374
374
376
378
377
377
377
377
378
379
377
373
373
372
372
373
372
368

Saturday 4

Waning Gibbous 91%

23:04

07:11

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
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:28, Set: 19:42, Transit: 13:06. Moon - Rise: 23:04, Set: 07:11. Civil Dark: 20:16 - 05:54. Nautical Dark: 20:58 - 05:12. Astro Dark: 21:42 - 04:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
97
100
96
73
96
99
100
100
100
84
91
57
32
31
10
42
75
99

Low Clouds (% Sky Obscured)

100
100
100
91
70
56
96
100
74
41
66
57
46
35
8
1
61
42
30
29
9
7
19
24

Medium Clouds (% Sky Obscured)

15
22
33
25
21
32
97
97
90
58
63
97
73
38
8
6
9
11
0
0
0
11
25
33

High Clouds (% Sky Obscured)

0
2
34
57
70
81
39
32
72
29
45
82
100
100
100
70
23
2
1
1
1
22
38
59

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

Precipitation Probability (%)

0
5
2
18
13
0
15
35
58
18
0
0
4
11
0
0
2
13
2
7
14
11
21
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
21
22
21
21
22
23
22
23
22
19
18
18
17
15
13
11
12
14
14
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
8
7
7
6
4
5
5
4
3
2
1
1
1
1
2
2
4
5
5
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

70
71
70
70
67
71
79
79
79
84
68
67
71
71
78
76
76
66
64
63
61
55
50
50

Pressure (mb)

1011
1010
1009
1008
1007
1007
1006
1005
1005
1006
1007
1008
1008
1009
1011
1012
1014
1015
1016
1017
1018
1019
1019
1020

Ozone (du)

369
370
370
374
371
371
372
375
375
377
382
381
381
383
385
389
389
389
388
387
387
388
388
389

Sunday 5

Waning Gibbous 85%

00:17

07:36

16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
22 Good
23 OK
00 OK
01 OK
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 OK
15 OK

Sun - Rise: 06:26, Set: 19:44, Transit: 13:06. Moon - Rise: 00:17, Set: 07:36. Civil Dark: 20:18 - 05:52. Nautical Dark: 21:00 - 05:10. Astro Dark: 21:45 - 04:24

Total Clouds (% Sky Obscured)

68
39
18
26
19
20
8
20
20
29
47
63
76
82
90
88
84
90
80
72
65
50
36
23

Low Clouds (% Sky Obscured)

15
3
0
0
0
0
0
0
0
0
0
0
5
10
14
11
8
5
15
25
34
28
21
12

Medium Clouds (% Sky Obscured)

22
14
0
0
0
0
0
0
0
0
0
0
8
17
25
34
35
32
30
19
11
12
30
14

High Clouds (% Sky Obscured)

40
31
18
22
10
5
3
10
10
25
40
55
51
48
46
46
41
56
49
43
39
24
14
6

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 (%)

13
17
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)

16
15
12
10
8
7
6
5
3
2
2
2
2
3
3
4
5
7
9
11
12
14
13
13

Chance of Frost

Temperature (°C)

11
11
10
9
7
6
5
5
4
4
4
4
3
3
3
3
5
7
9
10
12
13
13
13

Feels Like (°C)

6
6
7
6
3
3
2
2
1
1
1
1
1
1
1
1
3
4
5
6
7
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

51
57
63
68
74
76
76
78
80
80
80
80
79
79
80
79
73
70
70
64
59
58
59
59

Pressure (mb)

1020
1021
1021
1022
1023
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1023
1022
1022
1021
1021

Ozone (du)

389
390
390
387
385
383
382
379
376
373
372
371
370
371
370
369
369
370
369
368
367
366
365
365

Monday 6

Waning Gibbous 77%

01:26

08:10

16 OK
17 OK
18 OK
19 Good
20 OK
21 OK
22 OK
23 OK
00 OK
01 Bad
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

Sun - Rise: 06:24, Set: 19:45, Transit: 13:05. Moon - Rise: 01:26, Set: 08:10. Civil Dark: 20:20 - 05:49. Nautical Dark: 21:02 - 05:07. Astro Dark: 21:47 - 04:21

Total Clouds (% Sky Obscured)

21
22
14
14
20
20
22
25
32
54
77
92
96
96
96
12
19
19
18
12
4
0
0
0

Low Clouds (% Sky Obscured)

7
3
0
0
0
0
8
16
23
35
46
61
55
50
44
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

21
22
12
14
20
20
22
25
19
3
2
1
1
1
1
2
2
1
10
12
4
0
0
0

High Clouds (% Sky Obscured)

3
11
12
11
10
20
9
20
20
45
73
83
81
86
86
12
19
19
17
12
4
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
9
16
23
25
27
26

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

Chance of Frost

Temperature (°C)

13
13
12
12
10
9
9
9
8
8
8
8
8
8
8
9
8
10
13
14
16
18
18
18

Feels Like (°C)

9
9
9
9
8
6
5
6
6
6
5
5
7
7
7
8
5
6
6
7
8
10
16
17

Dew Point (°C)

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

Relative Humidity (%)

60
63
70
76
80
82
84
85
84
87
90
91
91
93
93
93
87
80
75
73
70
69
76
82

Pressure (mb)

1020
1020
1019
1019
1019
1018
1018
1017
1016
1016
1015
1014
1013
1013
1012
1011
1017
1016
1016
1015
1014
1013
1013
1013

Ozone (du)

367
366
366
366
364
363
362
360
358
355
354
352
351
351
352
352
352
352
352
352
352
352
353
353

Tuesday 7

Waning Gibbous 69%

02:25

08:57

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

Sun - Rise: 06:22, Set: 19:47, Transit: 13:05. Moon - Rise: 02:25, Set: 08:57. Civil Dark: 20:21 - 05:47. Nautical Dark: 21:04 - 05:05. Astro Dark: 21:50 - 04:18

Total Clouds (% Sky Obscured)

0
0
0
4
0
0
5
5
5
31
59
83
63
43
22
35
45
56
43
26
8
25
47
61

Low Clouds (% Sky Obscured)

0
0
0
4
0
0
5
5
5
16
13
12
6
3
0
0
0
0
2
0
0
11
22
33

Medium Clouds (% Sky Obscured)

0
0
0
4
0
0
5
5
5
31
59
48
30
15
0
2
4
7
15
25
8
25
45
53

High Clouds (% Sky Obscured)

0
0
0
4
0
0
5
4
1
27
54
81
61
41
21
23
32
35
26
15
3
9
14
17

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 (%)

28
23
14
13
11
9
8
4
0
1
3
0
0
0
0
0
0
1
9
13
17
31
38
43

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

Chance of Frost

Temperature (°C)

18
17
16
15
13
11
10
9
8
8
7
6
6
6
5
4
6
9
11
11
12
14
15
16

Feels Like (°C)

17
16
15
14
10
9
8
7
6
5
2
2
1
1
2
1
2
3
5
6
8
10
9
10

Dew Point (°C)

17
16
14
13
11
9
7
6
5
5
4
4
3
3
3
3
4
4
5
6
8
10
11
13

Relative Humidity (%)

90
89
87
87
86
84
82
82
81
81
82
82
82
85
89
93
82
74
68
70
73
76
80
86

Pressure (mb)

1012
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1015
1015
1014

Ozone (du)

353
355
358
360
363
366
368
372
376
380
389
399
408
405
401
398
398
398
398
396
395
393
392
392

Wednesday 8

Waning Gibbous 59%

03:12

09:56

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
06 OK
07 OK
08 OK
09 OK
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:19, Set: 19:49, Transit: 13:05. Moon - Rise: 03:12, Set: 09:56. Civil Dark: 20:23 - 05:45. Nautical Dark: 21:06 - 05:02. Astro Dark: 21:52 - 04:15

Total Clouds (% Sky Obscured)

75
89
98
95
92
89
89
89
91
84
72
60
51
41
39
34
30
27
38
43
45

Low Clouds (% Sky Obscured)

22
11
0
10
20
15
13
12
10
17
27
38
36
33
26
33
28
27
33
36
37

Medium Clouds (% Sky Obscured)

58
60
60
73
86
89
81
63
47
44
36
29
33
37
39
34
30
26
26
17
10

High Clouds (% Sky Obscured)

21
22
27
44
58
61
66
71
77
59
32
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
7
5
2
4
6
8
8
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

Precipitation Type

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

Precipitation Probability (%)

49
61
82
95
95
95
95
93
20
13
6
0
4
10
6
10
7
2
10
14
17

Precipitation Amount (mm)

0
0
0.2
0.8
1.2
1.7
1.3
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
15
15
12
12
10
9
8
7
6
6
6
6
5
5
5
5
5
5
5

Relative Humidity (%)

92
92
93
95
93
95
93
93
93
93
94
96
98
98
96
96
88
82
76
72
68

Pressure (mb)

1013
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1009
1010
1010
1010
1010
1011
1012
1012
1012

Ozone (du)

391
389
386
384
386
388
390
394
398
402
407
411
415
418
420
423
423
424
425
426
427

Forecast for Reading, Reading, United Kingdom (51.45,-0.98)

Generated: 02/04/26 16:47:39. Forecast: 02/04/26 to 08/04/26. Timezone: UTC+1.00