Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

Waning Crescent 13%

03:19

14:18

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
12 Bad
13 Bad

Sun - Rise: 07:24, Set: 16:14, Transit: 11:48. Moon - Rise: 03:19, Set: 14:18. Civil Dark: 16:51 - 06:47. Nautical Dark: 17:31 - 06:06. Astro Dark: 18:11 - 05:27

Total Clouds (% Sky Obscured)

95
88
91
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
91
90
91
76

Low Clouds (% Sky Obscured)

70
82
91
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
84
81
83
76

Medium Clouds (% Sky Obscured)

0
0
0
0
2
16
18
17
27
29
36
49
47
45
42
29
32
30
21
12
7
7
13
0

High Clouds (% Sky Obscured)

42
25
30
35
59
45
20
17
9
4
5
23
17
8
19
19
16
21
3
5
2
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
1
0
1
6
5
12
14
12
1
1
6
1
0
1
1
0
3
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
8
8
7
8
8
8
8
9
9
9
9
9
9
10
10
11
12
12
12
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
89
93
95
93
95
95
95
95
93
93
93
93
91
91
90
91
90
90
88
84
82
80
74

Pressure (mb)

1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013

Ozone (du)

285
285
287
288
289
291
291
290
289
289
288
286
286
284
283
284
283
282
281
279
282
284
283
282

Sunday 16

Waning Crescent 7%

04:30

14:28

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

Sun - Rise: 07:26, Set: 16:12, Transit: 11:49. Moon - Rise: 04:30, Set: 14:28. Civil Dark: 16:49 - 06:49. Nautical Dark: 17:30 - 06:08. Astro Dark: 18:10 - 05:28

Total Clouds (% Sky Obscured)

78
60
63
52
49
66
72
0
11
0
27
0
35
47
32
9
8
24
10
0
0
0
8
23

Low Clouds (% Sky Obscured)

64
60
63
52
49
66
72
0
11
0
27
0
35
47
32
9
8
24
10
0
0
0
8
23

Medium Clouds (% Sky Obscured)

17
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
75
79
81
81
78
62
59
59
61
61
68
71
73
73
77
77
77
77
73
66
64
63

Pressure (mb)

1013
1014
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1021
1022
1023
1024
1024
1024
1025

Ozone (du)

283
288
292
287
286
284
280
274
266
263
264
262
264
268
267
267
268
268
267
266
266
265
264
261

Monday 17

Waning Crescent 3%

05:42

14:40

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

Sun - Rise: 07:28, Set: 16:11, Transit: 11:49. Moon - Rise: 05:42, Set: 14:40. Civil Dark: 16:48 - 06:50. Nautical Dark: 17:29 - 06:09. Astro Dark: 18:09 - 05:30

Total Clouds (% Sky Obscured)

27
0
0
0
0
0
0
30
42
54
55
55
52
82
100
100
36
95
85
95
100
100
74
54

Low Clouds (% Sky Obscured)

27
0
0
0
0
0
0
29
40
45
47
44
37
31
21
0
4
82
48
49
61
68
54
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
4
25
94
36
86
85
50
27
20
17
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
7
20
30
30
30
63
100
100
36
45
25
19
91
90
70
36

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
7
31
25
17

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)

11
10
8
6
6
5
5
4
3
4
4
4
4
4
5
5
6
5
5
7
7
8
10
12

Chance of Frost

Temperature (°C)

8
7
6
5
4
3
3
2
2
1
1
0
0
0
0
0
1
1
1
2
3
5
5
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
70
75
80
83
85
85
85
84
84
84
83
81
81
83
81
81
83
81
77
72
71
75
78

Pressure (mb)

1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1024
1024
1023
1023
1022
1021
1021
1020
1019
1017

Ozone (du)

262
266
269
268
274
279
267
264
263
267
273
275
277
275
270
270
270
280
282
279
276
274
274
274

Tuesday 18

Waning Crescent 1%

06:55

14:53

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
12 Bad
13 Bad

Sun - Rise: 07:29, Set: 16:10, Transit: 11:49. Moon - Rise: 06:55, Set: 14:53. Civil Dark: 16:47 - 06:52. Nautical Dark: 17:28 - 06:11. Astro Dark: 18:08 - 05:31

Total Clouds (% Sky Obscured)

31
51
72
92
94
97
100
98
98
97
98
99
100
98
84
78
82
73
85
85
77
65
62
57

Low Clouds (% Sky Obscured)

29
42
47
49
46
46
52
48
48
49
51
53
57
62
59
56
63
64
71
72
61
55
49
45

Medium Clouds (% Sky Obscured)

31
44
28
39
56
78
75
73
96
94
69
67
100
96
36
24
34
38
38
53
65
28
40
55

High Clouds (% Sky Obscured)

10
3
0
0
0
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
5
3
9
9
8
4
9
8
5
7
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
Very Light Rain
Light Rain
Very Light Rain
None
None
Light Rain
Very Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
33
46
50
69
47
29
37
81
49
44
83
53
38
26
10
12
14
14
29
32
31
43
49

Precipitation Amount (mm)

0
0
0
0.3
0.7
0.2
0
0
0.7
0.2
0
0.6
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
79
83
83
88
91
88
91
94
91
91
93
93
93
88
93
91
93
89
85
78
73
71
70

Pressure (mb)

1016
1015
1014
1013
1012
1011
1010
1009
1008
1006
1005
1004
1003
1002
1001
1000
1000
999
999
999
998
998
998
998

Ozone (du)

275
276
277
276
275
273
272
274
277
278
278
285
296
304
311
316
314
318
325
329
334
342
343
343

Wednesday 19

Waning Crescent 0%

08:08

15:11

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
12 Bad
13 Bad

Sun - Rise: 07:31, Set: 16:09, Transit: 11:49. Moon - Rise: 08:08, Set: 15:11. Civil Dark: 16:46 - 06:53. Nautical Dark: 17:27 - 06:12. Astro Dark: 18:07 - 05:33

Total Clouds (% Sky Obscured)

54
71
85
99
100
100
100
100
100
99
91
82
72
71
70
69
96
93
92
92
95
98
100
100

Low Clouds (% Sky Obscured)

52
68
54
66
82
91
83
92
92
93
85
76
67
62
56
51
53
49
45
45
45
45
40
35

Medium Clouds (% Sky Obscured)

54
66
78
94
97
99
100
94
87
81
68
52
5
12
39
49
95
85
76
54
31
16
44
74

High Clouds (% Sky Obscured)

0
4
3
1
7
15
20
44
67
91
66
45
6
2
16
16
53
49
40
31
25
19
15
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
0
0
0
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

53
42
35
35
69
89
95
95
94
75
54
39
10
8
10
1
7
4
0
1
2
1
5
6

Precipitation Amount (mm)

0
0
0
0
0.3
0.5
0.7
0.7
0.7
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
8
9
10
13
14
17
17
19
19
19
19
19
17
17
16
16
16
16
17
16

Chance of Frost

Temperature (°C)

5
5
4
4
3
4
4
3
4
4
5
5
4
4
4
4
3
3
3
3
3
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
79
85
89
89
79
83
98
96
96
89
73
76
77
76
75
77
77
77
77
76
76
73
80

Pressure (mb)

997
997
997
998
998
998
999
999
1000
1001
1001
1002
1002
1003
1004
1004
1005
1006
1007
1008
1008
1008
1008
1009

Ozone (du)

340
338
335
335
333
330
328
328
332
335
338
331
326
324
322
322
321
319
317
316
315
314
314
316

Thursday 20

New Moon 2%

09:17

15:34

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

Sun - Rise: 07:33, Set: 16:08, Transit: 11:49. Moon - Rise: 09:17, Set: 15:34. Civil Dark: 16:45 - 06:55. Nautical Dark: 17:26 - 06:14. Astro Dark: 18:06 - 05:34

Total Clouds (% Sky Obscured)

100
90
79
69
64
54
47
67
83
100
83
66
49
47
46
45
40
34
29
30
29
29
45
62

Low Clouds (% Sky Obscured)

37
37
33
34
45
53
47
60
60
60
57
52
49
46
44
41
37
34
29
30
28
27
43
60

Medium Clouds (% Sky Obscured)

100
86
72
57
59
54
47
60
47
35
23
13
0
3
5
10
8
5
2
1
0
0
0
0

High Clouds (% Sky Obscured)

10
7
5
1
5
7
9
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
6
3
0
3
6
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 (%)

3
17
22
24
26
24
19
11
4
0
0
0
0
1
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)

15
14
13
13
13
13
13
13
13
13
13
13
13
12
12
12
11
11
11
11
12
13
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
93
94
94
96
89
85
79
77
76
73
76
78
81
80
81
81
80
78
79
76
75
72
73

Pressure (mb)

1009
1009
1010
1011
1011
1012
1013
1014
1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021

Ozone (du)

319
321
321
321
320
318
317
315
312
310
307
307
307
308
308
309
310
307
305
302
299
296
293
292

Friday 21

Waxing Crescent 5%

10:19

16:07

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
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

Sun - Rise: 07:34, Set: 16:06, Transit: 11:50. Moon - Rise: 10:19, Set: 16:07. Civil Dark: 16:44 - 06:56. Nautical Dark: 17:25 - 06:15. Astro Dark: 18:05 - 05:35

Total Clouds (% Sky Obscured)

77
73
60
50
48
45
45
40
38
37
39
43
53
54
57
54
54
54
53
51
51
50

Low Clouds (% Sky Obscured)

76
73
60
50
48
45
45
40
30
19
14
7
0
0
0
0
1
2
2
3
3
3

Medium Clouds (% Sky Obscured)

0
0
0
0
1
2
2
4
5
9
27
39
52
45
37
28
25
22
19
26
40
50

High Clouds (% Sky Obscured)

0
0
0
0
1
2
2
1
1
1
3
2
2
2
2
2
2
6
6
10
13
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

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 (%)

0
2
2
1
3
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
80
85
88
88
88
88
88
88
88
88
86
86
86
84
84
78
74
69
65
63

Pressure (mb)

1021
1021
1022
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1028

Ozone (du)

291
290
288
286
284
282
281
279
278
278
278
278
278
279
278
277
276
278
281
283
286
289

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

Generated: 15/11/25 14:38:57. Forecast: 15/11/25 to 21/11/25. Timezone: UTC+0.00