Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 6

Waning Gibbous 93%

17:01

10:57

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
14 Bad

Sun - Rise: 07:55, Set: 15:56, Transit: 11:55. Moon - Rise: 17:01, Set: 10:57. Civil Dark: 16:35 - 07:16. Nautical Dark: 17:18 - 06:33. Astro Dark: 17:58 - 05:52

Total Clouds (% Sky Obscured)

94
96
100
100
100
57
66
64
100
86
75
97
99
97
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
86
72
60
47
48
47
57
50
63
47
79
91
78
72
62
86
65
87
93
100
85
79
88

Medium Clouds (% Sky Obscured)

78
84
25
14
3
0
0
0
0
0
28
95
99
53
85
83
92
53
77
100
100
100
100
85

High Clouds (% Sky Obscured)

24
46
43
48
40
12
66
64
92
79
72
67
63
78
87
100
100
100
100
100
100
100
96
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
2
1
0
0
4
3
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
27
4
2
11
1
2
0
0
0
1
2
10
17
41
49
40
12
51
82
95
95
90

Precipitation Amount (mm)

0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0.4
0.7
0.6
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
84
80
81
82
82
84
90
87
91
96
96
98
98
98
98
98
96
98
98
95
93
93

Pressure (mb)

998
999
999
1000
1001
1001
1002
1002
1003
1003
1003
1003
1003
1002
1002
1002
1002
1001
1001
1001
1000
999
999
998

Ozone (du)

281
276
277
280
280
280
279
280
282
282
282
281
281
285
287
287
287
288
289
288
285
285
286
288

Sunday 7

Waning Gibbous 86%

18:27

11:27

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
14 Bad

Sun - Rise: 07:56, Set: 15:55, Transit: 11:56. Moon - Rise: 18:27, Set: 11:27. Civil Dark: 16:35 - 07:17. Nautical Dark: 17:18 - 06:34. Astro Dark: 17:58 - 05:53

Total Clouds (% Sky Obscured)

96
96
100
100
81
61
72
70
72
98
100
100
100
100
100
100
100
100
100
100
100
95
83
100

Low Clouds (% Sky Obscured)

84
86
100
100
70
61
72
70
70
55
71
59
57
67
74
69
78
97
62
68
82
84
72
57

Medium Clouds (% Sky Obscured)

43
31
21
17
8
0
0
0
3
50
55
29
55
89
100
100
100
100
100
100
100
57
70
64

High Clouds (% Sky Obscured)

70
70
71
60
19
3
37
45
49
97
100
100
100
100
100
100
100
100
100
100
100
76
20
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
7
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

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

Precipitation Probability (%)

69
32
18
6
17
0
0
0
0
0
0
0
0
0
8
40
62
79
64
56
17
0
2
7

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
11
11
10
11
11
10
10
10
10
9
8
8
8
8
8
8
9
10
11
11
11
11
11

Relative Humidity (%)

92
83
84
79
83
87
89
91
93
95
91
87
87
88
90
87
87
88
93
93
93
89
89
90

Pressure (mb)

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

Ozone (du)

290
294
295
295
298
298
299
302
302
302
302
300
300
303
304
309
313
315
319
323
329
334
331
330

Monday 8

Waning Gibbous 77%

19:55

11:48

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
14 Bad

Sun - Rise: 07:57, Set: 15:55, Transit: 11:56. Moon - Rise: 19:55, Set: 11:48. Civil Dark: 16:35 - 07:18. Nautical Dark: 17:17 - 06:35. Astro Dark: 17:58 - 05:54

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
60
62
61
55
86
84
76
93
59
66
65
57
61
69
89
81
87
89
91
95
97
98
100

Medium Clouds (% Sky Obscured)

64
79
54
78
37
100
98
100
99
100
100
96
97
100
100
100
100
98
96
91
71
81
89
61

High Clouds (% Sky Obscured)

100
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
6
5
9
7
9
3
3
2
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

3
2
3
2
13
77
71
95
95
95
85
82
94
95
95
95
95
67
73
65
65
23
32
32

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.3
0.8
0.6
0.6
0.3
0.4
0.4
1.3
1.5
2.6
1.4
0
0.2
0.2
0.3
0
0
0

Wind Speed/Direction (mph)

11
11
10
11
11
10
10
11
15
17
18
18
19
20
21
22
22
21
23
23
23
24
25
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
10
10
11
11
12
11
11
11
10
10
11
11
10
10
10
10
10
11
11
12

Relative Humidity (%)

92
92
95
93
88
92
96
96
93
90
87
90
87
89
92
92
92
89
83
84
84
86
83
89

Pressure (mb)

1009
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1007
1006
1005
1004
1003
1002
1002
1002
1002
1001
1001
1001
1001

Ozone (du)

330
327
326
327
324
322
319
314
309
305
296
292
289
286
284
284
284
284
287
288
286
285
285
284

Tuesday 9

Waning Gibbous 67%

21:20

12:03

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
14 OK

Sun - Rise: 07:58, Set: 15:55, Transit: 11:57. Moon - Rise: 21:20, Set: 12:03. Civil Dark: 16:35 - 07:19. Nautical Dark: 17:17 - 06:36. Astro Dark: 17:58 - 05:55

Total Clouds (% Sky Obscured)

99
98
96
97
99
100
98
97
96
97
98
99
100
100
100
100
100
97
86
76
66
60
54
38

Low Clouds (% Sky Obscured)

92
83
71
63
55
52
40
30
25
35
45
55
60
50
54
48
43
39
47
48
53
48
44
37

Medium Clouds (% Sky Obscured)

42
75
85
88
84
83
86
88
92
95
97
98
94
89
84
39
11
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
37
10
39
68
100
86
68
66
76
86
96
97
99
100
100
100
90
57
47
23
15
10
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

38
44
62
60
55
51
5
5
37
56
4
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

22
21
19
17
15
12
10
9
8
9
8
7
7
7
8
8
8
8
7
8
10
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
11
11
11
10
10
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

90
92
92
92
92
92
93
93
93
91
90
87
90
91
91
90
91
93
93
91
85
83
83
84

Pressure (mb)

1001
1001
1002
1003
1003
1004
1005
1005
1006
1007
1007
1008
1008
1009
1009
1010
1011
1012
1013
1014
1015
1015
1016
1017

Ozone (du)

284
283
284
285
285
288
289
290
289
287
288
289
290
291
292
291
292
294
296
297
300
302
304
309

Wednesday 10

Waning Gibbous 57%

22:40

12:15

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

Sun - Rise: 07:59, Set: 15:55, Transit: 11:57. Moon - Rise: 22:40, Set: 12:15. Civil Dark: 16:34 - 07:20. Nautical Dark: 17:17 - 06:37. Astro Dark: 17:58 - 05:56

Total Clouds (% Sky Obscured)

34
33
35
46
53
62
55
47
34
36
37
25
34
42
51
43
41
43
48
53
56
64
71
78

Low Clouds (% Sky Obscured)

30
29
29
29
26
29
32
33
34
32
29
25
34
42
51
43
41
43
48
53
56
64
71
71

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
10
2
0
0
0
1
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
16
31
44
30
16
2
11
20
2
0
0
1
8
6
2
1
1
0
3
6
9

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
1
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)

11
10
9
8
9
9
9
7
6
6
6
6
6
5
5
5
5
3
2
3
4
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
91
93
91
91
93
94
93
94
94
93
93
93
94
96
96
96
96
93
90
87
85
85

Pressure (mb)

1017
1019
1020
1020
1021
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1024
1024
1024
1024
1024
1023
1023
1022

Ozone (du)

311
311
311
312
316
319
316
315
315
313
313
314
315
314
313
312
313
314
316
315
314
313
310
307

Thursday 11

Third Quarter 46%

23:55

12:26

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
14 Bad

Sun - Rise: 08:00, Set: 15:55, Transit: 11:57. Moon - Rise: 23:55, Set: 12:26. Civil Dark: 16:34 - 07:20. Nautical Dark: 17:17 - 06:37. Astro Dark: 17:58 - 05:57

Total Clouds (% Sky Obscured)

66
53
41
49
62
72
80
90
100
99
98
96
95
93
92
94
93
95
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

56
45
33
39
46
54
61
68
75
72
74
71
72
68
64
73
89
95
95
97
96
92
88
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
12
24
36
26
18
29
35
36
21
14
6
7
12
8
13
17
21
20

High Clouds (% Sky Obscured)

6
5
0
3
4
7
15
22
27
44
65
86
89
89
88
69
71
66
76
84
90
88
86
80

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
10
15
15
14
12
6
11
16
14
8
3
0
2
6
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
6
6
5
5
6
7
7
8
9
9
9
10
9
9
9
9
9
9
9
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
5
4
4
5
5
5
4
4
4
4
4
4
5
5
5
5
4
5
7
7

Dew Point (°C)

7
6
6
6
6
5
5
5
6
6
6
6
6
6
6
6
6
7
7
7
8
8
8
8

Relative Humidity (%)

84
87
91
94
94
93
94
94
94
94
94
94
93
94
94
94
96
96
96
93
90
88
90
90

Pressure (mb)

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

Ozone (du)

304
304
303
302
303
303
304
302
301
299
299
298
298
298
297
297
297
297
297
296
296
296
296
297

Friday 12

Waning Crescent 36%

01:08

12:36

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: 08:01, Set: 15:55, Transit: 11:58. Moon - Rise: 01:08, Set: 12:36. Civil Dark: 16:35 - 07:21. Nautical Dark: 17:17 - 06:38. Astro Dark: 17:58 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
96
94
95
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
88
90
89
89
87
86
84
83
80
77
75
79
84
90
83
74
65
60
58
57

Medium Clouds (% Sky Obscured)

15
10
10
10
5
10
10
10
15
31
32
33
32
32
37
47
57
67
73
73
75

High Clouds (% Sky Obscured)

89
93
96
89
83
83
83
84
84
88
94
91
94
96
98
99
99
100
99
98
98

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

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

Precipitation Probability (%)

3
7
5
14
23
22
21
30
36
34
31
35
35
31
29
28
23
8
19
20
6

Precipitation Amount (mm)

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)

8
8
7
7
7
6
6
6
6
6
7
7
7
8
8
8
7
6
5
6
7

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
10
9
9
9
9
9
9
9
9
9
9
9
9
9
10

Feels Like (°C)

7
7
6
6
6
6
7
7
7
7
6
6
6
6
6
6
7
7
7
6
7

Dew Point (°C)

8
8
8
8
8
7
7
8
8
8
8
8
9
8
9
9
8
8
8
8
9

Relative Humidity (%)

91
91
91
91
88
87
85
88
91
95
95
95
95
93
95
95
95
96
96
93
91

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

297
298
298
299
301
303
305
305
305
305
305
305
305
306
308
309
310
311
312
312
311

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

Generated: 06/12/25 15:25:46. Forecast: 06/12/25 to 12/12/25. Timezone: UTC+0.00