Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 11%

04:17

15:22

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 Bad

Sun - Rise: 06:08, Set: 18:10, Transit: 12:09. Moon - Rise: 04:17, Set: 15:22. Civil Dark: 18:33 - 05:45. Nautical Dark: 19:00 - 05:18. Astro Dark: 19:27 - 04:51

Total Clouds (% Sky Obscured)

83
89
88
93
94
84
85
82
81
88
78
75
79
74
71
72
78
82
78
63
38
34
21
58

Low Clouds (% Sky Obscured)

79
87
88
93
94
84
85
82
81
88
54
72
77
70
68
72
78
82
78
63
30
31
19
38

Medium Clouds (% Sky Obscured)

8
2
0
0
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
4
0
0
3
2
13
15
36
2
2
44
12
0
2
2
9
3
4
6
9
40

ISS Passover

Visibility (miles)

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

Fog (%)

36
12
17
20
6
16
26
26
0
0
0
0
0
0
0
0
0
0
0
0
0
1
9
15

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
27
24
14
9
9
22
27
22
14
14
0
0
0
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

18
18
18
18
18
18
17
18
19
20
22
23
24
25
25
25
25
23
21
19
18
18
17
16

Feels Like (°C)

19
20
19
19
19
19
19
19
20
21
23
25
25
25
25
25
25
23
22
20
20
20
19
18

Dew Point (°C)

18
18
17
17
17
17
17
17
18
19
19
17
17
17
16
16
16
18
18
17
17
17
16
16

Relative Humidity (%)

98
98
98
98
98
98
98
96
95
93
87
69
62
61
57
56
60
70
82
89
93
96
98
96

Pressure (mb)

1022
1022
1021
1021
1020
1021
1021
1022
1022
1023
1022
1022
1021
1020
1019
1018
1018
1018
1019
1020
1020
1021
1021
1020

Ozone (du)

279
278
277
274
277
278
281
279
280
279
280
279
277
276
279
281
282
281
280
282
282
281
281
282

Friday 19

Waning Crescent 5%

04:52

16:20

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

Sun - Rise: 06:07, Set: 18:10, Transit: 12:09. Moon - Rise: 04:52, Set: 16:20. Civil Dark: 18:33 - 05:44. Nautical Dark: 19:00 - 05:17. Astro Dark: 19:27 - 04:50

Total Clouds (% Sky Obscured)

60
64
34
35
42
36
69
25
100
100
100
64
77
80
100
77
86
18
19
25
100
78
31
10

Low Clouds (% Sky Obscured)

34
25
24
32
28
16
5
0
0
17
19
41
16
21
25
17
6
0
0
14
13
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
51
54
50
3
2
3
3
0
0
0
0
0

High Clouds (% Sky Obscured)

56
64
5
8
15
16
65
14
100
100
100
42
74
17
52
52
50
11
13
9
100
70
31
10

ISS Passover

Visibility (miles)

8
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
3
13
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
16
48
49
12

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 (%)

1
1
1
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)

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

Chance of Frost

Temperature (°C)

16
16
15
15
15
14
14
15
18
21
23
25
26
27
28
27
25
23
20
18
18
17
17
18

Feels Like (°C)

17
16
15
17
16
16
16
16
21
21
23
24
27
27
27
27
27
26
24
21
21
18
19
21

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
96
95
95
95
89
72
62
56
49
43
42
42
43
48
59
79
88
89
88
90
90

Pressure (mb)

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

Ozone (du)

281
278
275
274
274
277
277
280
283
283
282
282
282
280
279
279
279
278
277
277
279
279
283
287

Saturday 20

Waning Crescent 2%

05:24

17:16

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

Sun - Rise: 06:06, Set: 18:11, Transit: 12:08. Moon - Rise: 05:24, Set: 17:16. Civil Dark: 18:34 - 05:43. Nautical Dark: 19:01 - 05:16. Astro Dark: 19:28 - 04:49

Total Clouds (% Sky Obscured)

61
46
56
61
76
79
53
36
39
42
32
43
25
31
25
49
100
100
100
100
100
89
77
68

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
0
0
0
1
0
1
2
0
3

Medium Clouds (% Sky Obscured)

0
0
45
15
29
65
18
12
39
42
32
43
20
23
9
9
2
35
49
76
61
72
28
50

High Clouds (% Sky Obscured)

27
27
30
40
45
54
40
36
8
3
0
1
0
5
12
49
100
100
100
100
100
80
63
50

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 (%)

9
6
33
28
36
36
36
36
34
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
0
2
5
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)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
18
19
22
24
26
29
30
31
31
31
28
26
24
22
21
21
20
20

Feels Like (°C)

20
18
17
17
18
17
18
19
23
25
27
30
30
32
33
32
28
27
25
24
23
22
22
21

Dew Point (°C)

16
15
14
14
13
12
13
13
13
13
13
13
12
12
13
13
15
19
19
18
18
18
18
19

Relative Humidity (%)

89
86
83
81
77
73
73
69
57
49
43
39
34
32
32
34
45
63
74
78
81
82
88
95

Pressure (mb)

1016
1015
1015
1014
1013
1013
1014
1014
1014
1014
1014
1013
1012
1011
1010
1009
1009
1009
1010
1010
1011
1012
1011
1011

Ozone (du)

288
290
290
292
292
293
291
289
289
289
289
291
293
293
293
292
289
289
290
290
289
289
288
287

Sunday 21

New Moon 0%

05:53

18:10

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

Sun - Rise: 06:04, Set: 18:11, Transit: 12:08. Moon - Rise: 05:53, Set: 18:10. Civil Dark: 18:34 - 05:41. Nautical Dark: 19:01 - 05:15. Astro Dark: 19:28 - 04:48

Total Clouds (% Sky Obscured)

70
69
77
86
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
2
4
3
0
0
0
0
0
5
8
11
20
15
29
36
9
5
4
3
2
2
35
66

Medium Clouds (% Sky Obscured)

70
69
77
53
56
4
45
27
46
13
18
35
69
63
56
62
71
75
21
50
74
75
71
100

High Clouds (% Sky Obscured)

45
45
50
67
83
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
8
9
9
9
9
9
8
6
9
9
9
8
6
2
4
9
9
9
9
4
4
2

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

Precipitation Probability (%)

14
25
18
2
2
3
35
33
34
35
23
10
41
79
95
47
34
30
27
48
37
67
75
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
2
0.3
0
0
0
0.3
0
0.4
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
20
19
18
18
20
22
25
28
31
34
33
31
31
30
29
27
26
24
23
23
23

Feels Like (°C)

21
20
21
21
20
19
18
21
24
26
29
32
35
33
31
31
32
31
29
28
26
25
25
24

Dew Point (°C)

19
18
17
17
16
15
15
18
19
21
20
19
19
23
28
29
29
28
27
25
23
22
22
22

Relative Humidity (%)

93
86
82
84
85
83
83
86
81
76
61
47
40
55
85
90
95
94
95
95
95
97
98
98

Pressure (mb)

1011
1011
1010
1009
1008
1007
1007
1007
1007
1007
1006
1005
1004
1004
1003
1002
1002
1002
1002
1002
1002
1003
1003
1003

Ozone (du)

286
283
283
283
283
282
283
285
285
286
288
289
289
288
288
287
287
288
285
287
288
288
289
287

Monday 22

Waxing Crescent 1%

06:21

19:03

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Bad
22 Bad
23 OK

Sun - Rise: 06:03, Set: 18:12, Transit: 12:07. Moon - Rise: 06:21, Set: 19:03. Civil Dark: 18:35 - 05:40. Nautical Dark: 19:02 - 05:13. Astro Dark: 19:29 - 04:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
96
95
96
93
88
66
39
27
37
57
24

Low Clouds (% Sky Obscured)

61
78
38
19
26
37
50
5
4
31
62
66
45
47
34
94
87
81
66
39
27
37
57
24

Medium Clouds (% Sky Obscured)

98
96
94
96
90
92
100
100
100
93
86
76
77
75
41
31
24
19
18
18
15
13
9
6

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
76
52
33
71
42
14
5
3
0
0
0
0

ISS Passover

Visibility (miles)

1
3
1
5
1
0
0
1
9
9
3
3
8
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

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

Precipitation Probability (%)

95
95
95
78
95
87
95
95
95
95
95
95
81
95
36
35
38
33
22
16
7
14
13
10

Precipitation Amount (mm)

0.5
2.9
0.6
0.3
0.5
0
1.4
1.8
1
1.7
2.2
1.5
0
0.7
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

0
0
1
0
1
5
8
6
3
3
0
0
3
2
2
2
1
0
1
0
0
0
0
0

Chance of Frost

Temperature (°C)

23
23
23
23
23
24
25
24
25
24
24
24
24
24
22
21
20
19
18
18
17
17
17
16

Feels Like (°C)

24
24
25
25
25
26
27
26
26
26
25
25
24
25
23
22
21
21
21
22
22
23
19
18

Dew Point (°C)

23
23
22
23
23
24
24
24
23
23
23
23
23
21
20
17
17
16
15
15
15
15
15
14

Relative Humidity (%)

98
98
98
98
100
98
98
97
92
94
92
95
91
87
88
76
79
81
82
85
88
89
89
89

Pressure (mb)

1004
1003
1002
1002
1001
1002
1002
1002
1003
1003
1003
1005
1004
1005
1006
1007
1009
1010
1012
1013
1015
1016
1017
1018

Ozone (du)

289
288
287
286
284
284
283
283
280
282
283
283
283
282
283
282
283
283
284
285
286
287
288
289

Tuesday 23

Waxing Crescent 3%

06:50

19:56

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

Sun - Rise: 06:02, Set: 18:12, Transit: 12:07. Moon - Rise: 06:50, Set: 19:56. Civil Dark: 18:35 - 05:39. Nautical Dark: 19:02 - 05:12. Astro Dark: 19:29 - 04:45

Total Clouds (% Sky Obscured)

32
33
34
24
14
4
3
2
1
7
8
9
8
11
14
26
37
64
76
81
86
91
93
99

Low Clouds (% Sky Obscured)

29
22
10
6
3
0
0
0
0
7
8
9
8
11
12
7
4
1
10
18
26
53
74
98

Medium Clouds (% Sky Obscured)

7
7
8
5
2
0
0
0
0
0
0
0
0
0
0
8
11
17
17
18
18
24
32
40

High Clouds (% Sky Obscured)

3
7
10
9
6
2
2
1
1
1
1
1
1
1
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
Very Light Rain

Precipitation Probability (%)

15
14
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
15
25
33

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
14
13
12
11
15
17
20
21
23
24
25
25
26
24
22
20
18
17
15
16
16

Feels Like (°C)

18
17
17
16
13
13
12
13
12
13
22
21
20
22
23
24
26
26
25
24
23
22
15
16

Dew Point (°C)

13
13
12
12
11
10
8
9
9
9
8
6
5
5
5
5
8
11
13
13
13
13
14
14

Relative Humidity (%)

87
87
86
86
86
84
81
68
58
49
41
34
28
27
28
27
35
48
64
71
78
87
87
87

Pressure (mb)

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

Ozone (du)

290
292
295
297
296
295
294
297
299
302
303
304
305
304
304
304
304
305
306
306
307
308
308
309

Wednesday 24

Waxing Crescent 8%

07:20

20:49

Sun - Rise: 06:01, Set: 18:13, Transit: 12:07. Moon - Rise: 07:20, Set: 20:49. Civil Dark: 18:36 - 05:38. Nautical Dark: 19:02 - 05:11. Astro Dark: 19:30 - 04:44

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 Vila Nova, Joinville, Brazil (-26.29,-48.91)

Generated: 18/09/25 00:20:40. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-3.00