Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 83%

14:53

02:52

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

Sun - Rise: 06:26, Set: 17:19, Transit: 11:52. Moon - Rise: 14:53, Set: 02:52. Civil Dark: 17:44 - 06:01. Nautical Dark: 18:14 - 05:31. Astro Dark: 18:43 - 05:02

Total Clouds (% Sky Obscured)

8
5
10
1
0
0
1
19
8
6
1
20
21
13
18
25
46
62
71
60
65
74
74
72

Low Clouds (% Sky Obscured)

5
4
4
0
0
0
1
17
8
6
1
6
11
3
4
10
24
24
25
29
45
55
58
44

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
28
12
0
0

High Clouds (% Sky Obscured)

0
0
4
1
0
0
0
1
0
0
0
20
19
11
17
7
5
22
28
11
7
21
41
42

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
1
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
1
0
0
0
2
5
8
8
5
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)

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

Chance of Frost

Temperature (°C)

14
13
13
13
16
18
21
22
23
23
22
21
21
20
19
19
18
18
18
17
16
16
16
16

Feels Like (°C)

15
14
14
14
17
19
22
23
22
22
21
21
21
20
19
19
18
18
18
17
17
17
16
15

Dew Point (°C)

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

Relative Humidity (%)

83
84
84
82
69
59
52
47
45
47
51
51
56
65
70
70
70
70
70
72
75
79
83
85

Pressure (mb)

1023
1023
1023
1024
1024
1025
1025
1024
1024
1023
1023
1023
1023
1023
1024
1025
1025
1026
1026
1026
1026
1026
1026
1025

Ozone (du)

281
281
283
284
285
285
284
286
286
285
286
284
282
282
283
283
283
283
283
283
283
283
283
284

Tuesday 28

Waxing Gibbous 90%

15:18

03:51

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

Sun - Rise: 06:27, Set: 17:18, Transit: 11:52. Moon - Rise: 15:18, Set: 03:51. Civil Dark: 17:43 - 06:01. Nautical Dark: 18:13 - 05:32. Astro Dark: 18:42 - 05:03

Total Clouds (% Sky Obscured)

75
60
23
15
11
30
47
45
31
25
18
12
9
0
3
9
10
11
12
14
18
19
17
15

Low Clouds (% Sky Obscured)

40
27
16
12
7
27
43
31
15
13
15
12
9
0
2
9
10
11
12
14
18
19
17
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
45
31
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

53
36
4
4
4
4
3
3
3
3
2
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 (%)

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

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

Chance of Frost

Temperature (°C)

16
15
15
15
17
18
20
21
22
22
21
21
20
20
19
18
18
18
17
16
16
15
15
15

Feels Like (°C)

15
15
15
16
18
19
22
22
22
22
21
21
21
20
19
18
18
19
18
18
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

87
87
86
83
74
63
55
50
49
51
51
52
54
58
63
63
64
66
70
74
77
79
79
79

Pressure (mb)

1026
1026
1026
1027
1028
1028
1027
1027
1026
1025
1025
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1026

Ozone (du)

284
285
285
285
285
285
286
286
285
285
285
284
283
283
283
282
281
281
281
282
282
283
282
282

Wednesday 29

Waxing Gibbous 95%

15:43

No Set

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

Sun - Rise: 06:28, Set: 17:16, Transit: 11:52. Moon - Rise: 15:43, Set: No Set. Civil Dark: 17:42 - 06:02. Nautical Dark: 18:12 - 05:32. Astro Dark: 18:41 - 05:03

Total Clouds (% Sky Obscured)

14
11
14
14
13
5
16
32
46
59
20
36
25
43
30
61
57
71
52
41
38
33
29
27

Low Clouds (% Sky Obscured)

14
11
14
14
13
0
0
6
10
8
6
28
15
21
30
52
48
66
47
35
34
25
26
27

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

2
0
0
0
3
3
12
15
18
24
5
13
9
15
5
18
9
7
2
4
5
3
3
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
1
6
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
1
1
1
1
1
0
0
0
1
2
2
2
11
6
5
7
16
20
11
21
24
13

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)

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

Chance of Frost

Temperature (°C)

14
14
14
14
15
17
19
21
22
22
21
21
21
20
19
19
19
19
18
18
17
17
16
16

Feels Like (°C)

14
14
15
14
16
18
21
22
22
21
20
21
20
20
19
20
19
19
19
19
19
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

82
83
84
82
72
62
55
54
55
58
61
59
60
67
72
71
68
63
64
66
72
78
81
85

Pressure (mb)

1027
1027
1028
1029
1029
1030
1030
1030
1029
1029
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1029

Ozone (du)

282
280
277
275
275
274
274
273
272
272
273
272
272
271
271
271
270
269
270
269
268
268
268
267

Thursday 30

Waxing Gibbous 99%

16:09

04:50

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

Sun - Rise: 06:28, Set: 17:15, Transit: 11:52. Moon - Rise: 16:09, Set: 04:50. Civil Dark: 17:41 - 06:03. Nautical Dark: 18:11 - 05:33. Astro Dark: 18:40 - 05:04

Total Clouds (% Sky Obscured)

27
28
33
35
42
59
67
78
76
56
31
29
22
14
4
30
72
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

27
28
33
35
38
49
56
70
71
53
31
29
20
12
2
12
23
35
42
50
59
58
54
43

Medium Clouds (% Sky Obscured)

0
0
0
12
25
37
26
16
6
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
3
2
2
2
1
1
1
1
0
0
0
0
0
30
67
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
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 (%)

21
24
11
24
36
28
27
29
22
16
8
2
4
2
1
6
7
3
6
9
11
9
7
3

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

Chance of Frost

Temperature (°C)

16
15
15
15
17
18
20
21
20
20
21
21
21
20
19
19
19
19
19
18
18
18
17
16

Feels Like (°C)

17
17
17
16
18
20
22
21
20
21
22
23
22
21
20
20
20
18
18
18
18
18
17
16

Dew Point (°C)

13
14
13
13
13
14
14
14
16
17
16
15
15
16
16
16
15
15
15
15
15
15
15
15

Relative Humidity (%)

86
89
89
87
79
73
68
67
75
80
71
69
70
76
81
80
77
76
78
80
82
82
86
90

Pressure (mb)

1029
1030
1030
1030
1031
1031
1031
1030
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027

Ozone (du)

267
267
267
267
268
269
269
268
268
268
268
268
269
270
270
270
270
270
270
269
269
269
270
271

Friday 1

Waxing Gibbous 100%

16:38

05:49

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

Sun - Rise: 06:29, Set: 17:14, Transit: 11:52. Moon - Rise: 16:38, Set: 05:49. Civil Dark: 17:40 - 06:03. Nautical Dark: 18:10 - 05:34. Astro Dark: 18:39 - 05:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
92
85
79
74
61
48
45
51
57
55
52
47
55
63
77
68
60
53

Low Clouds (% Sky Obscured)

50
57
63
57
52
46
48
44
42
39
36
35
37
38
30
34
37
29
36
43
55
58
60
53

Medium Clouds (% Sky Obscured)

2
5
9
17
30
30
43
40
53
36
18
16
9
18
28
18
8
0
8
15
25
15
7
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
68
43
20
20
10
2
5
4
2
3
3
4
4
4
4
3
0
1

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 (%)

14
19
6
19
24
8
16
14
6
10
8
3
1
0
0
5
5
4
26
32
27
44
42
27

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

Chance of Frost

Temperature (°C)

15
15
15
15
17
19
20
21
22
22
22
21
21
21
20
20
20
19
19
19
18
18
17
17

Feels Like (°C)

16
16
15
15
17
19
21
22
22
21
21
21
22
21
22
22
21
21
21
21
21
21
20
20

Dew Point (°C)

14
14
14
14
14
14
14
14
14
14
14
14
15
15
16
16
16
16
16
16
16
16
16
15

Relative Humidity (%)

90
92
92
89
81
72
67
62
60
61
61
63
67
71
75
78
80
80
81
84
88
89
90
90

Pressure (mb)

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

Ozone (du)

271
272
272
272
273
273
273
272
272
273
271
269
269
268
268
268
268
267
267
266
266
265
264
264

Saturday 2

Full Moon 99%

17:09

06:49

04 Bad
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

Sun - Rise: 06:30, Set: 17:13, Transit: 11:52. Moon - Rise: 17:09, Set: 06:49. Civil Dark: 17:39 - 06:04. Nautical Dark: 18:09 - 05:34. Astro Dark: 18:38 - 05:05

Total Clouds (% Sky Obscured)

57
62
61
69
76
83
85
88
91
89
87
81
87
93
100
100
100
100
100
100
100
97
93
83

Low Clouds (% Sky Obscured)

57
62
61
53
50
51
53
48
32
28
18
12
7
6
1
6
13
22
24
26
29
31
33
35

Medium Clouds (% Sky Obscured)

6
10
16
11
6
0
0
0
0
0
0
0
2
4
6
17
33
59
63
67
71
64
54
46

High Clouds (% Sky Obscured)

6
11
14
31
45
61
67
75
83
84
85
81
87
93
100
100
100
100
100
100
100
71
43
14

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 (%)

31
23
9
23
24
13
19
17
12
12
9
3
7
5
0
1
0
0
0
0
0
2
2
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
4
4
3
2
1
2
3
5
5
5
5
5
5
6
5
5
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

17
17
16
16
18
19
20
21
22
23
23
22
22
21
20
20
20
20
19
19
19
19
18
18

Feels Like (°C)

20
19
18
18
18
17
17
24
24
24
24
24
23
23
22
22
22
22
21
20
20
20
19
20

Dew Point (°C)

16
15
15
15
15
15
15
15
16
16
16
16
16
17
17
17
17
18
18
17
17
17
16
16

Relative Humidity (%)

93
92
92
92
83
76
69
68
66
65
67
69
72
76
81
85
86
88
91
89
89
89
89
89

Pressure (mb)

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

Ozone (du)

264
263
262
262
262
262
262
261
260
259
259
259
259
258
258
258
259
259
260
262
264
266
266
266

Sunday 3

Waning Gibbous 97%

17:46

07:48

Sun - Rise: 06:31, Set: 17:12, Transit: 11:52. Moon - Rise: 17:46, Set: 07:48. Civil Dark: 17:38 - 06:05. Nautical Dark: 18:08 - 05:35. Astro Dark: 18:37 - 05:06

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 Sydney, Australia (-33.87,151.21)

Generated: 27/04/26 03:25:57. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+10.00