Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 3%

09:01

18:28

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 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:56, Set: 16:33, Transit: 12:14. Moon - Rise: 09:01, Set: 18:28. Civil Dark: 17:10 - 07:19. Nautical Dark: 17:51 - 06:37. Astro Dark: 18:31 - 05:58

Total Clouds (% Sky Obscured)

94
97
86
90
76
67
89
92
67
65
65
53
37
84
100
100
100
98
100
100
100
100
96
81

Low Clouds (% Sky Obscured)

93
74
83
75
65
46
47
54
59
65
65
53
37
68
86
87
100
91
100
99
96
97
60
73

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
29
38
85
98
98
100
100
100
95
40
63

High Clouds (% Sky Obscured)

0
0
0
16
70
67
77
45
55
9
42
53
37
81
100
100
100
58
100
73
9
0
0
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
5
9
9
9
3
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
4
1
0
1
0
0
0
0
0
3
19
67
83
68
74
95
95
95
87
53
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.2
0.4
0.7
1.2
1.1
0.6
0.2
0

Wind Speed/Direction (mph)

10
11
11
11
15
17
17
18
18
18
18
18
19
18
19
20
20
15
8
8
9
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
6
5
5
5
5
5
6
6
6
6
6
6
5
5
6
6
7
6
5
6
6
5
5

Relative Humidity (%)

95
87
84
82
85
81
79
80
80
81
84
87
87
84
82
88
88
90
88
87
94
94
91
91

Pressure (mb)

1011
1010
1010
1010
1010
1010
1010
1009
1008
1007
1006
1006
1005
1004
1004
1003
1002
1002
1001
1001
1000
999
998
997

Ozone (du)

385
388
378
371
361
356
354
351
346
343
341
342
341
339
338
336
332
332
336
347
355
365
369
370

Wednesday 21

Waxing Crescent 8%

09:16

19:47

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 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:55, Set: 16:34, Transit: 12:15. Moon - Rise: 09:16, Set: 19:47. Civil Dark: 17:12 - 07:18. Nautical Dark: 17:53 - 06:37. Astro Dark: 18:32 - 05:57

Total Clouds (% Sky Obscured)

76
91
79
90
100
100
100
100
100
100
100
95
97
97
97
100
95
97
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

65
84
79
82
65
65
80
93
100
100
92
87
97
88
95
100
92
85
97
91
81
87
87
84

Medium Clouds (% Sky Obscured)

13
72
60
78
99
41
70
63
100
75
89
70
90
95
96
95
90
96
100
100
49
90
80
77

High Clouds (% Sky Obscured)

0
3
36
60
51
39
58
87
100
88
100
77
50
8
35
65
33
22
25
42
87
22
82
82

ISS Passover

Visibility (miles)

9
9
9
9
9
5
9
9
6
9
9
3
9
4
7
5
8
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
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
8
25
38
73
61
76
87
95
84
95
92
74
95
70
78
48
32
28
33
43
39
45
35

Precipitation Amount (mm)

0
0
0
0
0.4
0.2
0.4
0.4
0.9
0.4
0.9
0.7
0.4
1.2
0.2
0.5
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
86
93
94
94
90
91
90
87
93
91
91
93
93
93
91
91
90
90
90
88
91

Pressure (mb)

997
996
995
994
994
992
991
990
989
988
987
987
987
987
987
987
987
987
987
987
988
988
988
988

Ozone (du)

371
370
370
374
377
377
381
380
376
375
374
373
367
364
362
360
356
352
348
349
350
352
354
357

Thursday 22

Waxing Crescent 15%

09:28

21:05

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 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:54, Set: 16:36, Transit: 12:15. Moon - Rise: 09:28, Set: 21:05. Civil Dark: 17:13 - 07:17. Nautical Dark: 17:54 - 06:36. Astro Dark: 18:34 - 05:56

Total Clouds (% Sky Obscured)

100
97
96
100
100
97
100
100
100
100
97
100
80
78
96
89
77
74
92
95
98
100
100
99

Low Clouds (% Sky Obscured)

91
88
88
87
78
91
80
90
90
89
87
82
78
74
91
78
77
74
66
68
63
67
80
79

Medium Clouds (% Sky Obscured)

41
38
54
24
21
12
25
23
87
13
76
43
45
14
16
16
10
0
30
89
94
100
98
94

High Clouds (% Sky Obscured)

58
27
32
55
70
40
70
66
72
71
30
2
2
7
28
19
1
1
18
30
42
54
57
69

ISS Passover

Visibility (miles)

9
9
9
7
9
9
9
6
6
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
18
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
Very Light Rain

Precipitation Probability (%)

31
33
36
32
15
34
44
56
59
18
25
29
40
45
38
31
18
20
2
5
9
20
49
63

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
90
88
87
87
87
87
90
93
91
88
94
93
88
93
94
94
94
91
91
87
87

Pressure (mb)

988
988
988
988
988
988
988
988
987
987
987
987
987
987
986
986
987
986
986
986
986
986
986
986

Ozone (du)

359
362
365
369
371
378
380
379
378
380
378
383
379
378
377
373
369
368
365
365
367
368
370
372

Friday 23

Waxing Crescent 23%

09:39

22:25

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 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:53, Set: 16:38, Transit: 12:15. Moon - Rise: 09:39, Set: 22:25. Civil Dark: 17:15 - 07:16. Nautical Dark: 17:56 - 06:35. Astro Dark: 18:35 - 05:55

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
99
95
81
78
82
88
85
96
100
95
94
90
83
77
67
65
65

Low Clouds (% Sky Obscured)

78
76
76
78
85
92
96
91
90
81
71
61
57
65
72
80
90
85
84
74
65
51
45
47

Medium Clouds (% Sky Obscured)

90
91
95
100
75
100
100
93
47
23
49
62
80
60
86
92
44
43
49
41
22
13
20
19

High Clouds (% Sky Obscured)

79
78
88
99
76
58
42
33
17
0
0
1
20
5
31
7
1
0
0
1
0
0
0
0

ISS Passover

Visibility (miles)

9
4
9
9
8
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

Very Light Rain
None
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 (%)

61
54
48
36
26
14
19
14
27
22
19
14
5
21
29
31
33
29
22
28
29
24
22
18

Precipitation Amount (mm)

0.3
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
4
5
5
5
5
5
4
5
4
4
4
5
4
4
4
4

Relative Humidity (%)

90
88
90
93
88
88
84
85
81
82
81
84
90
91
90
90
88
91
91
93
93
93
93
93

Pressure (mb)

986
985
985
985
986
986
986
986
987
987
987
987
988
988
988
988
989
989
990
990
991
991
992
992

Ozone (du)

374
376
378
381
385
386
388
389
393
395
395
396
400
404
409
411
412
414
415
417
418
418
419
420

Saturday 24

Waxing Crescent 34%

09:51

23:47

05 Bad
06 Bad
07 Bad
08 OK
09 Bad
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
03 Bad
04 Bad

Sun - Rise: 07:51, Set: 16:39, Transit: 12:15. Moon - Rise: 09:51, Set: 23:47. Civil Dark: 17:16 - 07:14. Nautical Dark: 17:57 - 06:34. Astro Dark: 18:37 - 05:54

Total Clouds (% Sky Obscured)

68
59
47
38
46
51
58
71
80
100
100
100
100
99
98
98
99
100
100
99
99
98
99
99

Low Clouds (% Sky Obscured)

48
47
41
38
46
51
58
57
52
51
51
51
51
62
57
51
51
51
51
66
81
96
98
99

Medium Clouds (% Sky Obscured)

20
13
6
0
0
0
0
22
43
100
98
100
100
91
71
53
41
31
29
41
55
67
70
72

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
27
53
100
85
99
100
73
53
24
43
71
100
80
60
41
29
21

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

7
10
8
4
7
6
1
2
11
5
6
6
3
6
5
3
7
9
7
29
48
68
71
67

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
96
96
91
87
81
79
79
82
87
90
91
89
89
88
86
85
83
86
91
93
93

Pressure (mb)

993
993
994
994
995
995
995
995
995
995
996
996
996
996
998
998
998
998
998
998
998
998
998
998

Ozone (du)

417
417
416
414
416
419
421
424
426
427
430
430
432
436
438
441
443
442
441
440
439
439
438
439

Sunday 25

Waxing Crescent 45%

10:05

01:12

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 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:50, Set: 16:41, Transit: 12:16. Moon - Rise: 10:05, Set: 01:12. Civil Dark: 17:18 - 07:13. Nautical Dark: 17:59 - 06:33. Astro Dark: 18:38 - 05:53

Total Clouds (% Sky Obscured)

100
99
97
95
94
92
91
92
93
94
96
98
100
95
90
85
86
88
90
93
96
99
96
95

Low Clouds (% Sky Obscured)

100
99
97
95
94
92
91
92
93
94
96
98
100
95
88
83
86
87
89
92
95
98
95
92

Medium Clouds (% Sky Obscured)

75
49
23
0
24
48
71
79
82
59
49
44
52
57
61
58
65
78
84
82
80
83
76
69

High Clouds (% Sky Obscured)

14
19
17
18
14
10
5
0
0
0
5
10
15
39
40
50
45
40
40
37
34
39
31
31

ISS Passover

Visibility (miles)

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

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
None

Precipitation Probability (%)

67
58
45
11
16
16
11
24
28
29
35
38
44
41
35
23
26
23
14
17
22
25
21
17

Precipitation Amount (mm)

0.4
0.3
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
9
9
9
9
10
10
11
10
10
10
9
9
9
8
7
6
6
6
6
6
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
3
3
3
3
3
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
2

Relative Humidity (%)

96
96
96
94
94
94
93
93
93
93
93
93
93
94
94
93
93
93
94
94
93
93
93
93

Pressure (mb)

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

Ozone (du)

439
440
440
440
440
439
439
438
438
437
437
438
438
439
439
440
441
442
442
443
443
443
444
444

Monday 26

First Quarter 57%

10:22

02:40

Sun - Rise: 07:49, Set: 16:43, Transit: 12:16. Moon - Rise: 10:22, Set: 02:40. Civil Dark: 17:20 - 07:12. Nautical Dark: 18:00 - 06:31. Astro Dark: 18:40 - 05:52

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Shinfield, Wokingham, United Kingdom (51.42,-0.94)

Generated: 20/01/26 05:18:01. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+0.00