Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 22

Waxing Crescent 9%

06:54

22:08

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

Sun - Rise: 06:00, Set: 18:19, Transit: 12:10. Moon - Rise: 06:54, Set: 22:08. Civil Dark: 18:52 - 05:27. Nautical Dark: 19:31 - 04:47. Astro Dark: 20:13 - 04:06

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
38
55
57
48
70
100
100
80

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
38
51
56
31
0
24
0
0

Medium Clouds (% Sky Obscured)

4
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
36
52
35
0

High Clouds (% Sky Obscured)

26
17
12
3
2
3
2
1
0
0
0
0
0
0
0
0
0
4
2
25
48
62
49
48

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
78
88
92
100
100
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)

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

Chance of Frost

Temperature (°C)

12
13
13
14
14
13
11
8
5
4
4
4
1
1
1
1
1
1
0
1
3
5
7
9

Feels Like (°C)

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

Dew Point (°C)

-0
-0
-0
0
1
2
2
2
2
1
1
1
1
-2
-1
-1
-1
-2
-2
-2
-2
-1
-1
-1

Relative Humidity (%)

42
40
39
38
41
47
55
65
80
86
79
82
99
80
84
86
86
86
88
83
73
62
54
51

Pressure (mb)

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

Ozone (du)

372
368
366
364
365
366
365
366
368
370
372
373
376
381
378
373
367
368
369
368
367
367
367
368

Monday 23

Waxing Crescent 17%

07:22

23:40

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:58, Set: 18:20, Transit: 12:10. Moon - Rise: 07:22, Set: 23:40. Civil Dark: 18:54 - 05:24. Nautical Dark: 19:33 - 04:45. Astro Dark: 20:15 - 04:03

Total Clouds (% Sky Obscured)

100
100
96
100
100
100
100
100
100
100
100
51
61
85
48
96
100
100
100
90
90
95
100
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
41
34
68
28
30
35
41
48
56
55
61
61
63
15
21
29
36

Medium Clouds (% Sky Obscured)

3
3
21
84
98
100
100
100
100
100
88
17
17
3
0
0
0
0
2
37
33
72
66
61

High Clouds (% Sky Obscured)

100
100
89
94
100
100
92
100
89
99
100
26
2
32
48
93
100
100
100
79
87
85
100
93

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
10
10
10
10
9
7
6
6
4
4
5
4
3
1
1
1
1
3
5
6
8
10

Dew Point (°C)

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

Relative Humidity (%)

49
48
46
48
57
65
63
58
64
79
81
84
90
88
90
82
79
82
82
83
85
80
77
73

Pressure (mb)

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

Ozone (du)

370
371
369
367
366
367
374
382
385
394
398
398
394
389
383
378
373
369
367
366
364
363
360
358

Tuesday 24

Waxing Crescent 27%

08:02

01:06

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:55, Set: 18:22, Transit: 12:10. Moon - Rise: 08:02, Set: 01:06. Civil Dark: 18:55 - 05:22. Nautical Dark: 19:35 - 04:42. Astro Dark: 20:17 - 04:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
99
100
100
100
100
87
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
59
63
81
49
45
38
23
0
0
0
25
38
52
60
61
59
51
54
48
48
45
48
59

Medium Clouds (% Sky Obscured)

51
67
62
63
92
85
100
98
97
58
41
74
92
26
59
90
100
95
99
52
81
88
100
76

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
90
88
78
100
100
100
73
100
100
100
100
100
100
100
100
99

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
1
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)

1
3
5
5
6
6
6
6
6
7
7
7
7
8
7
8
8
10
10
11
13
14
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
69
68
69
73
75
79
81
81
82
91
91
88
82
87
90
93
93
93
90
87
84
81
79

Pressure (mb)

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

Ozone (du)

356
355
354
353
351
350
350
349
351
351
351
348
345
346
344
343
342
341
341
340
339
339
340
341

Wednesday 25

First Quarter 38%

08:59

02:20

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 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:53, Set: 18:24, Transit: 12:10. Moon - Rise: 08:59, Set: 02:20. Civil Dark: 18:57 - 05:20. Nautical Dark: 19:37 - 04:40. Astro Dark: 20:19 - 03:58

Total Clouds (% Sky Obscured)

100
100
94
95
98
99
100
100
98
87
100
82
65
43
41
29
21
19
26
31
35
44
78
100

Low Clouds (% Sky Obscured)

75
81
68
58
63
85
87
89
89
77
95
82
65
43
30
18
9
0
14
28
35
36
37
47

Medium Clouds (% Sky Obscured)

24
20
30
65
34
33
80
91
37
35
45
50
44
23
0
6
11
14
8
3
0
12
58
100

High Clouds (% Sky Obscured)

100
96
77
85
91
0
10
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
7
5
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
Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
9
19
28
47
74
80
31
22
52
74
86
73
54
26
18
1
0
0
0
10
19
29
35

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.5
0
0
0
0.4
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
19
19
19
19
19
19
17
16
16
14
13
13
15
17
17
18
17
17
17
18
20
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
8
6
6
5
5
4
5
4
4
2
0
-3
-3
-4
-4
-3
-2
-0
-0
-1

Dew Point (°C)

10
10
10
9
10
9
9
9
7
7
6
6
6
5
4
2
1
-0
-1
-0
0
1
0
0

Relative Humidity (%)

76
75
79
76
81
84
88
90
82
84
87
88
88
88
86
82
79
77
79
76
73
70
63
62

Pressure (mb)

1015
1014
1013
1012
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1010
1010
1011
1012
1012
1013
1013
1013
1013

Ozone (du)

344
349
354
357
360
363
366
372
376
384
390
394
398
405
408
415
424
423
424
426
426
425
426
423

Thursday 26

Waxing Gibbous 50%

10:13

03:15

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

Sun - Rise: 05:51, Set: 18:25, Transit: 12:09. Moon - Rise: 10:13, Set: 03:15. Civil Dark: 18:59 - 05:17. Nautical Dark: 19:39 - 04:37. Astro Dark: 20:21 - 03:55

Total Clouds (% Sky Obscured)

100
100
100
71
46
29
21
8
2
8
13
18
37
58
55
39
21
1
16
29
39
36
36
38

Low Clouds (% Sky Obscured)

52
57
43
39
28
20
14
7
2
8
12
16
27
38
55
39
20
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
98
36
19
29
21
0
2
1
0
0
0
0
0
0
0
0
0
0
1
10
20
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
0
0
0
0
6
14
2
2
3
1
16
29
36
21
13
1

ISS Passover

Visibility (miles)

9
8
8
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
Very 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 (%)

45
52
53
39
31
14
10
9
0
0
0
0
1
1
1
1
1
0
0
0
0
0
3
9

Precipitation Amount (mm)

0
0.2
0.2
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)

21
20
20
18
17
16
15
14
13
12
12
13
13
13
13
13
13
13
12
13
15
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
1
2
2
1
2
1
0
0
-0
-1
-1
-1
-0
0
-0
-1
-1
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

58
61
68
68
65
69
70
70
73
76
76
77
79
82
83
82
82
81
81
80
73
66
60
56

Pressure (mb)

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

Ozone (du)

421
420
417
406
397
389
381
376
371
367
365
363
362
360
357
352
346
342
339
336
330
327
325
322

Friday 27

Waxing Gibbous 61%

11:36

03:53

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:49, Set: 18:27, Transit: 12:09. Moon - Rise: 11:36, Set: 03:53. Civil Dark: 19:00 - 05:15. Nautical Dark: 19:41 - 04:35. Astro Dark: 20:23 - 03:52

Total Clouds (% Sky Obscured)

56
73
92
87
82
83
85
86
87
75
62
54
58
63
67
78
90
100
97
95
93
93
94
95

Low Clouds (% Sky Obscured)

21
42
63
61
59
57
60
63
66
58
50
42
39
40
44
45
43
44
49
53
58
64
70
75

Medium Clouds (% Sky Obscured)

38
37
38
33
35
37
42
50
57
47
38
28
45
60
67
74
71
65
59
57
54
36
21
4

High Clouds (% Sky Obscured)

1
4
13
13
8
5
22
38
39
40
27
35
25
10
5
5
5
5
4
9
13
9
4
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 (%)

10
12
14
20
18
16
19
22
22
21
23
27
24
22
21
16
10
3
4
4
2
12
16
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
2
2
2
2
2
2
1
1
-0
-1
0
0
-0
-1
-1
-1
1
2
3
4
5

Dew Point (°C)

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

Relative Humidity (%)

60
61
64
65
69
73
76
78
79
82
85
88
91
93
94
94
94
96
94
94
93
90
82
76

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1023
1023

Ozone (du)

319
317
315
313
313
313
312
314
315
316
316
315
314
315
316
317
317
317
317
318
318
318
319
319

Saturday 28

Waxing Gibbous 72%

No Rise

04:19

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:46, Set: 18:29, Transit: 12:09. Moon - Rise: No Rise, Set: 04:19. Civil Dark: 19:02 - 05:13. Nautical Dark: 19:42 - 04:32. Astro Dark: 20:25 - 03:50

Total Clouds (% Sky Obscured)

96
98
100
100
100
100
100
100
99
100
100
100
100
100
100
99
98
93
84
68
55
53
59
67

Low Clouds (% Sky Obscured)

83
91
100
100
100
100
98
97
95
94
93
92
94
95
97
96
96
82
63
44
30
44
57
67

Medium Clouds (% Sky Obscured)

19
45
54
67
73
80
77
83
91
71
52
32
29
31
30
30
26
16
9
3
2
0
0
0

High Clouds (% Sky Obscured)

11
21
32
24
18
15
31
42
58
60
62
64
67
64
60
75
60
50
30
12
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

20
24
28
30
29
21
29
35
38
44
50
55
58
60
62
69
70
65
60
52
28
27
17
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
9
9
7
6
6
6
4
5
5
5
6
6
5
5
5
6
6
7
4
3
4
4
5

Dew Point (°C)

6
7
7
7
6
5
5
5
5
5
6
6
6
5
5
5
5
5
6
4
3
2
2
3

Relative Humidity (%)

68
70
71
73
78
82
87
88
90
91
93
91
91
90
87
85
88
90
93
82
74
66
68
69

Pressure (mb)

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

Ozone (du)

319
320
322
323
323
323
323
323
324
324
324
325
326
330
333
337
342
347
352
352
353
354
358
362

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

Generated: 22/03/26 01:09:21. Forecast: 22/03/26 to 28/03/26. Timezone: UTC+0.00